All Tools

Add sequential line numbers to text or code, with a custom start, separator and zero-padding.

Build correctly formatted APA 7th-edition citations for journals, books, websites and more.

Convert text between UPPERCASE, lowercase, Title Case, Sentence case, aLtErNaTiNg and more in one click.

Remove specific letters, numbers, symbols, punctuation or custom characters from text.

Delete repeated lines from text or code, with case and whitespace options.

Detect and highlight duplicate or overused words with counts.

Replace em dashes (and en dashes) with hyphens, commas, spaces or nothing.

Pull every email address out of any text or list, with options to dedupe and sort.

Find and list every URL or link in a block of text, with dedupe and sort options.

Find and replace text with case, whole-word and regular-expression options.

Turn words or a sentence into ready-to-use hashtags for social media.

Generate invisible blank Unicode characters you can copy with one click.

Generate placeholder Lorem Ipsum text by paragraphs, sentences or words for mockups and designs.

Convert letters and numbers into the NATO phonetic alphabet (Alfa, Bravo, Charlie…).

Convert numbers into written English words, including decimals and negatives.

A distraction-free browser notepad that autosaves locally on your device.

Count sentences, words, characters and paragraphs, plus average words per sentence.

Find out if your phone number spells anything — and turn words into dialable digits (1-800-FLOWERS style).

Convert English text into pronunciation-focused phonetic transcription.

Translate English text into Pig Latin while preserving punctuation and capitalization.

Strip HTML, styles and fonts to convert rich text into clean plain text.

Score your text with Flesch Reading Ease, Flesch–Kincaid grade, Gunning Fog and SMOG.

Clean an email list by removing duplicate addresses, case-insensitively, one per line.

Collapse multiple spaces and tabs into one and trim each line, with an option to drop blank lines.

Remove line breaks and join lines with a space, comma, pipe or custom separator.

Clean pasted text by stripping formatting, HTML, URLs, emojis, numbers and more.

Replace underscores with spaces and optionally capitalize each word.

Repeat text any number of times with a custom separator or numbering.

Reverse text by characters, words, letters-in-words or line order.

Convert numbers to Roman numerals and Roman numerals back to numbers (1–3999).

Convert dates and numbers to Roman numerals instantly.

Convert text to sentence case so each sentence starts with a capital letter.

Translate plain English into the slang of any era — 12 generations from 1920s flapper talk to Gen Alpha brainrot, with 400+ term dictionaries.

Sort words or lines A→Z or Z→A with case and duplicate options.

Compare two blocks of text or code and highlight added, removed and unchanged lines side by side.

Split delimited text into columns and re-join with a new delimiter, or keep only chosen columns.

Type or paste text and have it read aloud in a natural voice — pick the voice, speed and pitch. Free and private.

Convert text to title case with smart rules for articles, conjunctions and prepositions.

Remove extra spaces, tabs and blank lines from text.

Convert text into Wingdings-style symbols and decode them back.

Turn text into a visual word cloud where size reflects word frequency.

Count words, characters, sentences and paragraphs in real time, with reading time and keyword density.

Count how often each word appears and view a sortable frequency table.

Build a .gitignore from common stacks and environments like Node, Python and macOS.

Build well-structured prompts for Claude, ChatGPT or Gemini with the Role–Task–Context–Format method.

Estimate how many tokens your text uses and whether it fits Claude, GPT or Gemini context windows.

Convert audio between MP3, WAV, M4A/AAC, OGG, Opus, FLAC and AIFF — entirely in your browser, nothing uploaded.

Generate Code 128 and EAN-13 barcodes from text or numbers and download them as PNG or SVG.

Encode text to RFC 4648 Base32 and decode Base32 back to readable text.

Encode text to Base64 and decode Base64 back to readable text.

Generate salted bcrypt password hashes and verify a password against an existing bcrypt hash, in your browser.

Convert text to binary and binary back to text.

Visually set each corner's CSS border-radius with a live preview.

Design CSS box-shadows with sliders and a live preview, then copy the code.

Encrypt and decrypt text with a Caesar shift cipher.

Convert text and identifiers to camelCase.

Check the WCAG contrast ratio between two colors and see AA/AAA pass or fail.

Convert colors between HEX, RGB and HSL with a live preview and color picker.

Generate a palette of tints and shades from any base color, click to copy.

Create a QR code that saves your name, phone, email and details straight to a phone's contacts.

Explain any 5-field cron expression in plain English and preview its next run times.

Beautify or minify CSS with custom indentation.

Create CSS linear gradients with a live preview and copy the code.

Convert CSV to JSON and JSON back to CSV with delimiter and header options.

Turn CSV data into a formatted Markdown table.

Convert text and identifiers to dot.case.

Convert between .env files and JSON in both directions — handles quotes, comments and export prefixes.

Draw flowcharts and diagrams in your browser — drag-and-drop shapes, connect them with labeled arrows, style everything, or turn a text outline into a chart. Export to PNG, SVG or JSON. Free, no sign-up.

Beautify or minify GraphQL queries and schemas.

Compute MD5/SHA hashes of any text and compare them against an expected hash to verify integrity.

Convert hexadecimal to readable text and text back to hex.

Encode text to HTML entities (< & …) or decode entities back to plain text.

Beautify or minify HTML with custom indentation.

Convert HTML into clean Markdown.

Paste HTML (or upload an .html file) and download a paginated PDF — rendered and converted entirely in your browser, nothing uploaded.

Beautify or minify JavaScript with custom indentation.

Beautify, validate and minify JSON with clear parse errors.

Convert plain text into an escaped JSON string.

Convert a JSON array of objects into CSV with a custom delimiter.

Convert a JSON object into TOML configuration format.

Turn a JSON sample into TypeScript interfaces automatically — infers types, nested objects and arrays.

Convert JSON objects and arrays into clean, indented XML.

Convert JSON to YAML and YAML back to JSON.

Convert an escaped/stringified JSON string back into readable JSON.

Parse, validate and explore JSON in a collapsible, color-coded tree view.

Decode a JSON Web Token to inspect its header, payload claims and expiry — without sending it anywhere.

Convert text and identifiers to kebab-case.

Estimate what Claude, GPT or Gemini API usage will cost per call, per day and per month.

Tidy and normalize Markdown formatting.

Build Markdown tables in a spreadsheet-style grid with per-column alignment.

Convert Markdown into clean HTML — headings, lists, links, code, bold and more.

Hash text to MD5, or reverse-look-up common MD5 hashes back to their original value.

Generate an MD5 message digest from any text.

Generate SEO and Open Graph / Twitter meta tags for your web pages.

Translate text to Morse code and Morse code back to text.

Sort numbers ascending or descending from comma, space or line-separated input.

Convert text and identifiers to PascalCase.

Test how strong a password is and estimate how long it would take to crack — privately in your browser.

Create QR codes for PayPal.Me, Venmo, UPI or any payment link so people can pay you in a tap.

Convert pixels to rem and em (and back) for any root font size, with a quick reference table.

Create custom QR codes from any URL or text and download them as PNG or SVG — generated entirely in your browser.

Scan and decode a QR code from an uploaded image or screenshot — right in your browser.

Test regular expressions against sample text with live match highlighting.

Build a robots.txt file to control crawlers, with sitemap and custom disallow rules.

Encode and decode text with the ROT13 substitution cipher.

Beautify or minify SCSS with custom indentation.

Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes from any text, computed securely in your browser.

Turn any text into a clean, SEO-friendly URL slug.

Convert text to snake_case or SCREAMING_SNAKE_CASE.

Beautify and format SQL queries with clause line breaks and consistent keyword case.

Beautify or minify TypeScript with custom indentation.

Convert text to \u Unicode escape sequences and back — handy for code and JSON strings.

Convert between Unix timestamps (epoch) and human-readable dates in both directions.

Percent-encode URLs and decode percent-encoded strings.

Break any URL into its protocol, host, path, query parameters and hash.

Encode text to UTF-8 byte sequences and decode them back.

Build campaign-tagged URLs with utm_source, utm_medium and more.

Create a QR code that connects phones to your Wi-Fi network automatically — no password typing.

Convert a Word (.docx) document into clean Markdown.

Beautify or minify XML with custom indentation.

Convert XML documents into structured JSON, with attributes and nested elements preserved.

Tidy and normalize YAML formatting.

Batch-convert any image to any format — PNG, JPG, WebP, AVIF, GIF, BMP, TIFF, multi-size ICO favicons and true vector SVG, with HEIC and TIFF input support. Drag in a pile of files, pick the output, download them all. Free and fully private: nothing is uploaded.

Convert audio between MP3, WAV, M4A/AAC, OGG, Opus, FLAC and AIFF — entirely in your browser, nothing uploaded.

See how an image looks to people with protanopia, deuteranopia, tritanopia or full color blindness — check your designs for accessibility.

Turn an image into favicons at every common size (16–512px) to download.

Draw flowcharts and diagrams in your browser — drag-and-drop shapes, connect them with labeled arrows, style everything, or turn a text outline into a chart. Export to PNG, SVG or JSON. Free, no sign-up.

Convert iPhone HEIC/HEIF photos to JPG or PNG — many at once — privately in your browser.

Upload an image and click anywhere to grab the exact hex color of that pixel.

Compress JPG and WebP images to shrink file size with a quality slider — all on-device.

Convert PNG, JPG, WebP, GIF, BMP and more to PNG, JPG or WebP — batch, with a quality slider, all in your browser.

Crop an image to any size or aspect ratio with a draggable, resizable selection box.

Strip EXIF, GPS location and other hidden metadata from photos before you share them — privately, in your browser.

Resize images to exact dimensions in your browser, with optional aspect-ratio lock.

Rotate an image 90° at a time and flip it horizontally or vertically, then download it.

Convert an uploaded image into ASCII art with adjustable detail.

Convert an image to a Base64 data URI, and decode data URIs back to an image preview.

Extract editable text from images using in-browser OCR.

Convert JPG images to PNG, entirely in your browser.

Convert JPG images to efficient WebP, on-device.

Add bold top and bottom captions to any image and download your meme — all in your browser.

A free online paint and drawing app — brushes, shapes, bucket fill, text, layers of undo, import a photo and export PNG or JPG. Runs entirely in your browser.

Create custom placeholder images of any size with your own colors and label.

Convert PNG images to JPG with an optional background color.

Turn PNG images into real scalable SVG vectors by tracing them into colored paths — or embed the original pixels losslessly. Free, in-browser, no upload.

Convert PNG images to WebP while preserving transparency.

Rasterise SVG files to PNG at a chosen scale.

Add a text watermark to many images at once — or a whole folder — and download them as a ZIP.

Convert WebP images to JPG, in your browser.

Convert WebP images to PNG, on-device.

Generate aesthetic, vaporwave and cursive Unicode text styles.

Generate large FIGlet-style ASCII art text.

Convert normal text into bold Unicode characters.

Convert text into circled bubble Unicode letters.

Generate creepy, distorted cursed text with adjustable intensity.

Convert text into elegant cursive script Unicode.

Generate cute and pretty Unicode font styles.

Generate stylish fonts that work in Discord messages.

Convert text to double-struck blackboard-bold Unicode.

Generate stylish Unicode fonts for Facebook posts and bios.

Generate dozens of copy-paste Unicode font styles.

Generate Instagram bio, caption and story font styles.

Convert text to Gothic, Fraktur and blackletter Unicode.

Convert text into italic Unicode characters.

Flip text into mirrored, reversed characters.

Add a slash-through effect to your text.

Convert text into small caps, superscript and subscript styles.

Create stacked, vertical-style text.

Add a strikethrough line through your text.

Convert supported characters to subscript.

Convert supported characters to superscript.

Browse and copy arrows, stars, hearts, currency, math symbols and emoji with one click.

Generate fonts for TikTok bios, captions and comments.

Generate styled fonts for tweets and X posts.

Convert text into monospace typewriter Unicode.

Add a combining underline to your text.

Preview your text in 35+ Unicode styles at once with copy buttons and favorites.

Convert styled Unicode text back to plain Latin characters.

Flip your text upside down with inverted Unicode characters.

Generate stylish fonts for WhatsApp messages and status.

Convert text into full-width vaporwave text.

Add glitchy combining marks for chaotic Zalgo text.

Full tournament builder — single & double elimination, round robin, blank printable brackets, PDF export, double-sided March Madness layout and 6 themes.

Discover boy, girl and unisex baby names from a huge curated list — draw a single name or a whole shortlist, filter by first letter and length, and save your favorites.

Build a printable weekly family chore chart — add kids and chores, click to assign days, auto-rotate fairly, add point values, then print a clean one-page chart to stick on the fridge.

Flip a virtual coin for heads or tails, with a running tally.

Roll virtual dice (d4–d100) with secure randomness and see the total.

Build a weekly staff schedule with drag-and-drop shifts — assign, move and reorder employees, track hours, then print or export CSV.

Generate realistic fake names, emails, phones, addresses and more as CSV, JSON or a list.

Randomize your fantasy football, baseball, basketball or any league's draft order — fair, crypto-random, with a snake-draft board and dramatic reveal.

Who should I start? Compare two or three NFL players head-to-head — weekly projections, recent form and injury status feed a clear start/sit verdict with a confidence score. Free, updated weekly.

Enter your whole fantasy football roster and league setup — any slots (QB to superflex to IDP), any scoring — and get a Smart Score lineup that weighs projections, recent form, matchups, injuries and weather, with side-by-side player comparison. Free, no signup.

Generate funny, punny, cool or savage fantasy football team names for the 2026 NFL season. Pick any NFL team for player-based puns (Mahomies, Hurts Donut, CeeDee LaMar), paste your roster to build names around your players, or spin up a whole league name — thousands of crypto-random combos.

Generate Fantasy Football (NFL), Basketball (NBA), Baseball (MLB), Hockey (NHL), Soccer (Premier/MLS/EPL/La Liga), Golf (PGA) or Cricket team names — punny player names, funny, cool or savage trash-talk, filtered by team and era, from thousands of combos.

Fly through a real-time 3D solar system — planets orbit and spin at true relative rates with axial tilts, rings and moons. Click any world to follow it and open a full data dossier, speed time up to a decade per second, and flip to true scale.

A fully interactive periodic table — color by category, electronegativity, density or melting point, drag a temperature slider to watch elements melt and boil, then click any element for its electron shells, isotopes and common compounds.

Generate random numbers for Powerball, Mega Millions, SuperLotto, Pick 3, Pick 4 and more.

Find the perfect name for a dog, cat, bird, fish, horse, rabbit, reptile or small pet — classic, cute, funny or full-on punny — from a giant name list.

Pick one or more random winners from a list of choices.

Generate a random date between two dates in your chosen format.

Generate random IPv4 and IPv6 addresses for testing.

Generate random letters with vowel, consonant and custom-alphabet options.

Generate a random month as a full name or abbreviation.

Generate a random integer between your chosen minimum and maximum.

Generate random strings, tokens and API keys with custom length and character sets.

Randomly split a list of names into fair, balanced teams or groups.

Create and print a quick single-elimination tournament bracket with random or ordered seeding.

Enter options and spin a wheel to pick a random winner.

Generate secure random passwords using cryptographic randomness.

Generate cool, available-looking usernames from adjectives, nouns, numbers or your own name.

Generate cryptographically random UUID v4 identifiers.

Project your 401(k) balance at retirement, including your employer's matching contributions.

Check whether the difference between two conversion rates is statistically significant, with p-value and uplift.

Turn impressions, clicks, spend and conversions into CTR, CPC, CPM, conversion rate, CPA and ROAS at once.

Calculate age or the exact difference between two dates in years, months, weeks, days, hours, minutes and seconds.

See a full month-by-month (or yearly) loan payoff schedule with principal, interest and balance.

See how much a savings account or CD grows at a given APY over time.

Estimate your car payment from price, down payment, trade-in, sales tax, rate and term.

Estimate blood alcohol content from drinks, weight and time — with clear safety warnings.

Split a restaurant bill with tip and tax evenly, or by what each person ordered.

Calculate your Body Mass Index (BMI) in metric or imperial units and see your weight category.

Estimate your body fat percentage with the U.S. Navy tape-measure method.

Estimate body surface area in m² with the Mosteller formula from height and weight. Education/reference only.

Price a fixed-rate bond from market yield and calculate current yield, yield to maturity sensitivity and duration.

Find how many units you must sell to cover costs, from fixed costs, price and variable cost per unit.

Turn an income statement and balance sheet into a professional liquidity, leverage, profitability and efficiency dashboard.

Build a launch budget, add contingency, model monthly burn and see how long your opening cash will last.

Estimate enterprise and equity value with DCF, market and adjusted-asset methods, explicit reconciliation, scenarios and sensitivity analysis.

Calculate customer acquisition cost, lifetime value, the LTV:CAC ratio and payback period.

Estimate your daily calorie needs (TDEE & BMR) and targets to lose, maintain or gain weight.

Calculate CD, money market and high-yield savings earnings — APY growth broken down by year.

Predict a child's adult height from the parents' heights using the mid-parental method.

Estimate everything you'll pay at closing when buying a home — lender fees, title insurance, transfer taxes by state, prepaids and escrow — plus your total cash to close.

Project inflation-adjusted education costs and the monthly savings needed after grants, existing funds and investment growth.

See how savings or investments grow over time with compound interest and optional monthly contributions.

Live countdown to Christmas, Halloween, Thanksgiving and more — or any date you pick — down to the second.

Set a custom hours/minutes/seconds timer or count down to a date — with a big display you can pop out into a resizable window and scale full-screen.

Estimate creatinine clearance / GFR with the Cockcroft-Gault equation from age, weight and serum creatinine. Education/reference only.

See how long it takes to clear a credit card balance, or the payment needed to pay it off by a date.

Convert between 100 cryptocurrencies and 12 fiat currencies with live, always-current rates.

Convert between 40+ world currencies using live exchange rates that update daily.

Convert between bytes, KB, MB, GB, TB and PB using binary units.

Add or subtract years, months, weeks and days from any date to find a future or past date.

Compare guaranteed interest savings with after-tax, risk-adjusted investment outcomes over the same time horizon.

Calculate your debt-to-income (DTI) ratio from your monthly debt payments and gross income.

Find the sale price and how much you save from an original price and a percentage off.

Work out your home down payment and the loan amount from the price and a percentage down.

How long a file takes to download or upload at any connection speed — with the Mbps vs MB/s confusion sorted out for you.

See what any appliance costs to run per day, month and year — with common presets.

Set a risk-adjusted cash reserve from essential expenses, income stability, dependents, insurance and existing liquid savings.

Compare the after-tax present cost of leasing equipment with financing a purchase, including residual value and opportunity cost.

Wind chill, heat index and dew point — what the temperature really feels like.

Track income and spending like a pro — dashboard with trends and category breakdowns, monthly budgets, multiple accounts, and one-click export to Excel, PDF, CSV or JSON. Private: everything stays in your browser.

Work out what a road trip will cost in gas, per mile and per person.

Calculate your real-world MPG from miles driven and gallons used, with metric equivalents.

Calculate your grade point average from your course grades and credit hours on a 4.0 scale.

Calculate your weighted course grade from assignment scores and their weights.

See how much house you can afford with the 28/36 rule, from income, debts and down payment.

See your ideal body weight by four medical formulas plus the healthy BMI range.

Convert dollars between any two years with real U.S. CPI data, or project inflation forward and backward at a flat rate.

Calculate IV infusion drip rate in gtt/min and pump rate in mL/hr from volume, time and drop factor. Education/reference only.

Convert length and distance — mm, cm, m, km, inches, feet, miles, nautical miles, light years and parsecs.

Field of view for any lens on 30+ sensors — ARRI, RED, Sony, Canon, Blackmagic, full frame, Micro Four Thirds, broadcast and CCTV — plus a reverse mode that finds the focal length you need.

Work out how much life insurance coverage your family actually needs with the DIME method.

Real-time price ticker for the top 100 cryptocurrencies — price, 24h and 7d change, market cap and 7-day charts.

Estimate the monthly payment, total interest and total cost of any loan from the amount, rate and term.

See what you'd actually take home from a jackpot — federal + state taxes, lump sum vs. 30-year annuity, year by year.

Enter two names and get your love compatibility score — just for fun!

Check zodiac love compatibility between two signs or birthdays, with real astrology rules behind the score.

Turn your daily calories into protein, carb and fat gram targets for any diet style.

Calculate gross profit, profit margin and markup from a product's cost and selling price.

Calculate mean arterial pressure from systolic and diastolic blood pressure. Education/reference only.

Weight-based dose calculator: total mg from mg/kg and patient weight, plus volume to draw from a concentration. Education/reference only.

Estimate your monthly mortgage payment from home price, down payment, rate and term — plus taxes, insurance and HOA.

Add up your assets and subtract your debts to calculate your total net worth.

Enter any two of voltage, current, resistance or power — get the other two instantly.

Estimate your 1RM from any set, with training percentages for programming.

Calculate running pace per mile and kilometer, plus speed, from your distance and time.

Work out percentages: X% of Y, X as a percent of Y, and percent change between two numbers.

Calculate nPr, nCr and factorials — ordered and unordered selections from n items.

Convert your dog's or cat's age into human years — size-adjusted, not the old times-7 myth.

Estimate your pregnancy due date from your last period, plus how far along you are.

Compare your current loan to a refinance to see monthly savings and the break-even point.

Compare renting and owning across a chosen horizon with transaction costs, maintenance, taxes, appreciation and investment opportunity cost.

Project your retirement savings from your age, contributions and expected return — plus estimated retirement income.

Stress-test retirement drawdown with inflation, fees, multiple return scenarios and a visible year-by-year balance path.

Calculate return on ad spend, ROI and the break-even ROAS for your profit margin.

Calculate return on investment (ROI), net profit and annualized return (CAGR) from an initial and final value.

Estimate how long it takes an investment to double — or the return needed — using the Rule of 72.

Convert pay between hourly, daily, weekly, monthly and annual based on your hours and weeks worked.

Add sales tax to a price or work backwards to find the pre-tax amount and the tax included.

Find out how much to save each month to reach a savings goal by a target date.

A free online scientific calculator with trig, logs, powers, roots, factorials and constants.

Convert shoe sizes between US, UK and EU for men, women and kids — plus foot length.

Build a broadcast-style run of show — segments, talent, sources, durations and auto-calculated start times — with a live countdown mode and CSV, Excel and PDF export.

Calculate simple interest and the total value from a principal, rate and time period.

Find the best bedtime or wake-up time based on 90-minute sleep cycles.

Convert speed — m/s, km/h, mph, feet per second, knots and Mach.

Get mean, median, mode, range, variance and standard deviation from a list of numbers.

A precise online stopwatch with lap times, fastest/slowest highlighting, full-screen mode and a pop-out window that scales to any size.

The right bitrate and encoder settings for Twitch, YouTube or Kick — x264, NVENC, HEVC and AV1 compared, with a quality verdict and suggested OBS settings.

Calculate student loan payments and see how much extra payments save in time and interest.

Estimate your net paycheck after taxes, FICA and pre-tax deductions from your gross salary.

Find your five training heart-rate zones with the Karvonen method.

Convert temperature between Celsius, Fahrenheit, Kelvin and Rankine.

Add or subtract hours, minutes and seconds, or find the duration between two dates and times.

Convert between seconds, minutes, hours, days, weeks, months and years instantly.

Convert a specific date and time from one time zone to another, with daylight saving handled.

See a chosen time across major world time zones at a glance.

Add up weekly work hours from clock-in/out times with breaks, and calculate pay from an hourly rate.

Work out the tip and total for a bill, and split it evenly between any number of people.

Compare salary, bonus, employer benefits, paid time off and risk-adjusted equity on one annual and hourly basis.

Convert length, weight, volume and temperature between common units.

Add or remove VAT at any rate — see the net, VAT amount and gross total instantly.

Recording data rates and card-fill times for ProRes, ProRes RAW, ARRIRAW, REDCODE R3D, Blackmagic BRAW, Sony XAVC & X-OCN, Canon RAW, DNx, H.264/H.265 — any resolution and frame rate.

One flow for a whole shoot — camera + lens + aperture + codec + resolution give you field of view, depth of field, storage, card count and offload time together.

Convert volume — milliliters, liters, cups, teaspoons, tablespoons, fluid ounces, pints, quarts and gallons.

Convert weight and mass — milligrams, grams, kilograms, tonnes, ounces, pounds, stones and tons.

See what $1,000 in Apple, Bitcoin, Tesla or the S&P 500 bought in any year would be worth today — with yearly growth chart and S&P comparison.

Find your astrological sign from your birthday — element, ruling planet, traits and your Chinese zodiac too.

Stamp page numbers onto every page of a PDF — choose the position, format and starting number, all in your browser.

Shrink PDF file size by re-compressing pages — great for scanned documents.

Trim the margins off every page of a PDF by setting top, right, bottom and left amounts — all in your browser.

Remove unwanted pages from a PDF by number or range and download the cleaned file.

Pull selected pages out of a PDF into a new document — enter ranges like 1-3, 5, 8 — entirely in your browser.

Paste HTML (or upload an .html file) and download a paginated PDF — rendered and converted entirely in your browser, nothing uploaded.

Convert JPG and PNG images into a single PDF, one image per page, in your browser.

Combine multiple PDF files into one, in any order — privately in your browser.

Convert each page of a PDF into a high-resolution PNG image, in your browser.

Extract the text from a PDF document and copy or download it as plain text.

Rotate every page of a PDF by 90, 180 or 270 degrees and download the result.

Extract specific pages or page ranges from a PDF, or split it into single-page files.

Add a text watermark (like DRAFT or CONFIDENTIAL) across every page of a PDF, with adjustable opacity, size and angle — in your browser.

Full tournament builder — single & double elimination, round robin, blank printable brackets, PDF export, double-sided March Madness layout and 6 themes.

Discover boy, girl and unisex baby names from a huge curated list — draw a single name or a whole shortlist, filter by first letter and length, and save your favorites.

Build a printable weekly family chore chart — add kids and chores, click to assign days, auto-rotate fairly, add point values, then print a clean one-page chart to stick on the fridge.

Flip a virtual coin for heads or tails, with a running tally.

See how an image looks to people with protanopia, deuteranopia, tritanopia or full color blindness — check your designs for accessibility.

Live countdown to Christmas, Halloween, Thanksgiving and more — or any date you pick — down to the second.

Set a custom hours/minutes/seconds timer or count down to a date — with a big display you can pop out into a resizable window and scale full-screen.

Generate creepy, distorted cursed text with adjustable intensity.

Roll virtual dice (d4–d100) with secure randomness and see the total.

Randomize your fantasy football, baseball, basketball or any league's draft order — fair, crypto-random, with a snake-draft board and dramatic reveal.

Who should I start? Compare two or three NFL players head-to-head — weekly projections, recent form and injury status feed a clear start/sit verdict with a confidence score. Free, updated weekly.

Enter your whole fantasy football roster and league setup — any slots (QB to superflex to IDP), any scoring — and get a Smart Score lineup that weighs projections, recent form, matchups, injuries and weather, with side-by-side player comparison. Free, no signup.

Generate funny, punny, cool or savage fantasy football team names for the 2026 NFL season. Pick any NFL team for player-based puns (Mahomies, Hurts Donut, CeeDee LaMar), paste your roster to build names around your players, or spin up a whole league name — thousands of crypto-random combos.

Generate Fantasy Football (NFL), Basketball (NBA), Baseball (MLB), Hockey (NHL), Soccer (Premier/MLS/EPL/La Liga), Golf (PGA) or Cricket team names — punny player names, funny, cool or savage trash-talk, filtered by team and era, from thousands of combos.

Convert an uploaded image into ASCII art with adjustable detail.

Fly through a real-time 3D solar system — planets orbit and spin at true relative rates with axial tilts, rings and moons. Click any world to follow it and open a full data dossier, speed time up to a decade per second, and flip to true scale.

A fully interactive periodic table — color by category, electronegativity, density or melting point, drag a temperature slider to watch elements melt and boil, then click any element for its electron shells, isotopes and common compounds.

Generate random numbers for Powerball, Mega Millions, SuperLotto, Pick 3, Pick 4 and more.

Enter two names and get your love compatibility score — just for fun!

Check zodiac love compatibility between two signs or birthdays, with real astrology rules behind the score.

Add bold top and bottom captions to any image and download your meme — all in your browser.

Convert your dog's or cat's age into human years — size-adjusted, not the old times-7 myth.

Find the perfect name for a dog, cat, bird, fish, horse, rabbit, reptile or small pet — classic, cute, funny or full-on punny — from a giant name list.

Find out if your phone number spells anything — and turn words into dialable digits (1-800-FLOWERS style).

Translate English text into Pig Latin while preserving punctuation and capitalization.

Pick one or more random winners from a list of choices.

Randomly split a list of names into fair, balanced teams or groups.

Build a broadcast-style run of show — segments, talent, sources, durations and auto-calculated start times — with a live countdown mode and CSV, Excel and PDF export.

Create and print a quick single-elimination tournament bracket with random or ordered seeding.

Translate plain English into the slang of any era — 12 generations from 1920s flapper talk to Gen Alpha brainrot, with 400+ term dictionaries.

Enter options and spin a wheel to pick a random winner.

A precise online stopwatch with lap times, fastest/slowest highlighting, full-screen mode and a pop-out window that scales to any size.

Type or paste text and have it read aloud in a natural voice — pick the voice, speed and pitch. Free and private.

Flip your text upside down with inverted Unicode characters.

Generate cool, available-looking usernames from adjectives, nouns, numbers or your own name.

See what $1,000 in Apple, Bitcoin, Tesla or the S&P 500 bought in any year would be worth today — with yearly growth chart and S&P comparison.

Convert text into Wingdings-style symbols and decode them back.

Turn text into a visual word cloud where size reflects word frequency.

Add glitchy combining marks for chaotic Zalgo text.

Find your astrological sign from your birthday — element, ruling planet, traits and your Chinese zodiac too.

Compose with diatonic, secondary-dominant and borrowed-chord maps, then arrange, audition, transpose, save and export the progression.

Navigate major and minor keys, key signatures, diatonic harmony and functional relationships on an interactive harmonic wheel.

Explore scales, chords, intervals, keys and tempo in one visual workspace with instant local audio playback.

Project your 401(k) balance at retirement, including your employer's matching contributions.

Check whether the difference between two conversion rates is statistically significant, with p-value and uplift.

Turn impressions, clicks, spend and conversions into CTR, CPC, CPM, conversion rate, CPA and ROAS at once.

See a full month-by-month (or yearly) loan payoff schedule with principal, interest and balance.

See how much a savings account or CD grows at a given APY over time.

Estimate your car payment from price, down payment, trade-in, sales tax, rate and term.

Split a restaurant bill with tip and tax evenly, or by what each person ordered.

Price a fixed-rate bond from market yield and calculate current yield, yield to maturity sensitivity and duration.

Find how many units you must sell to cover costs, from fixed costs, price and variable cost per unit.

Turn an income statement and balance sheet into a professional liquidity, leverage, profitability and efficiency dashboard.

Build a launch budget, add contingency, model monthly burn and see how long your opening cash will last.

Estimate enterprise and equity value with DCF, market and adjusted-asset methods, explicit reconciliation, scenarios and sensitivity analysis.

Calculate customer acquisition cost, lifetime value, the LTV:CAC ratio and payback period.

Calculate CD, money market and high-yield savings earnings — APY growth broken down by year.

Estimate everything you'll pay at closing when buying a home — lender fees, title insurance, transfer taxes by state, prepaids and escrow — plus your total cash to close.

Project inflation-adjusted education costs and the monthly savings needed after grants, existing funds and investment growth.

See how savings or investments grow over time with compound interest and optional monthly contributions.

See how long it takes to clear a credit card balance, or the payment needed to pay it off by a date.

Convert between 100 cryptocurrencies and 12 fiat currencies with live, always-current rates.

Convert between 40+ world currencies using live exchange rates that update daily.

Compare guaranteed interest savings with after-tax, risk-adjusted investment outcomes over the same time horizon.

Calculate your debt-to-income (DTI) ratio from your monthly debt payments and gross income.

Find the sale price and how much you save from an original price and a percentage off.

Work out your home down payment and the loan amount from the price and a percentage down.

Set a risk-adjusted cash reserve from essential expenses, income stability, dependents, insurance and existing liquid savings.

Compare the after-tax present cost of leasing equipment with financing a purchase, including residual value and opportunity cost.

Track income and spending like a pro — dashboard with trends and category breakdowns, monthly budgets, multiple accounts, and one-click export to Excel, PDF, CSV or JSON. Private: everything stays in your browser.

See how much house you can afford with the 28/36 rule, from income, debts and down payment.

Convert dollars between any two years with real U.S. CPI data, or project inflation forward and backward at a flat rate.

Work out how much life insurance coverage your family actually needs with the DIME method.

Real-time price ticker for the top 100 cryptocurrencies — price, 24h and 7d change, market cap and 7-day charts.

Estimate the monthly payment, total interest and total cost of any loan from the amount, rate and term.

See what you'd actually take home from a jackpot — federal + state taxes, lump sum vs. 30-year annuity, year by year.

Calculate gross profit, profit margin and markup from a product's cost and selling price.

Estimate your monthly mortgage payment from home price, down payment, rate and term — plus taxes, insurance and HOA.

Add up your assets and subtract your debts to calculate your total net worth.

Calculate net present value, internal rate of return and payback period from an investment and its cash flows.

Compare your current loan to a refinance to see monthly savings and the break-even point.

Compare renting and owning across a chosen horizon with transaction costs, maintenance, taxes, appreciation and investment opportunity cost.

Project your retirement savings from your age, contributions and expected return — plus estimated retirement income.

Stress-test retirement drawdown with inflation, fees, multiple return scenarios and a visible year-by-year balance path.

Calculate return on ad spend, ROI and the break-even ROAS for your profit margin.

Calculate return on investment (ROI), net profit and annualized return (CAGR) from an initial and final value.

Estimate how long it takes an investment to double — or the return needed — using the Rule of 72.

Convert pay between hourly, daily, weekly, monthly and annual based on your hours and weeks worked.

Add sales tax to a price or work backwards to find the pre-tax amount and the tax included.

Find out how much to save each month to reach a savings goal by a target date.

Calculate simple interest and the total value from a principal, rate and time period.

Calculate student loan payments and see how much extra payments save in time and interest.

Estimate your net paycheck after taxes, FICA and pre-tax deductions from your gross salary.

Calculate future or present value of a lump sum plus regular contributions, with compounding.

Add up weekly work hours from clock-in/out times with breaks, and calculate pay from an hourly rate.

Work out the tip and total for a bill, and split it evenly between any number of people.

Compare salary, bonus, employer benefits, paid time off and risk-adjusted equity on one annual and hourly basis.

Add or remove VAT at any rate — see the net, VAT amount and gross total instantly.

See what $1,000 in Apple, Bitcoin, Tesla or the S&P 500 bought in any year would be worth today — with yearly growth chart and S&P comparison.