All tools

Convert text between camelCase, snake_case, kebab-case, Title Case and more.

Count characters, words, sentences, lines and estimate reading time.

Search and replace text with optional regular expressions.

Strip duplicate lines from a list, with optional trimming and case folding.

Sort lines alphabetically, numerically, by length, or shuffle them randomly.

Compare two texts and highlight every added and removed line.

Reverse text by characters, words or lines.

Repeat a piece of text a set number of times.

Cut text down to a length in characters or words.

Split text on any delimiter or pattern into separate lines.

Join lines into one, with your own separator and wrapping.

Scramble, alternate or invert the capitalisation of text.

Shift letters by 13 places, or any amount you choose.

Translate text to Morse code and back again.

Check whether text reads the same forwards and backwards.

Pull every email address out of any text.

Pull out text between markers, by position, or by pattern.

Find zero-width characters and unusual spaces hiding in text.

Mask chosen words in a text with a character of your choice.

Escape text into JavaScript, CSS, HTML or percent notation, and back.

Wrap every line in quotes and join them into a list.

Flip the order of a list from bottom to top.

Shift every item up or down, wrapping around the ends.

Break a list into groups of a fixed size.

Strip quotes, brackets and trailing commas off every item.

Count how often each item appears, and find the unique ones.

Add up a list of numbers and see the mean, median and spread.

Write a number out in words, as a cardinal or an ordinal.

Generate arithmetic, geometric, Fibonacci, prime and square sequences.

Draw random numbers in a range, with or without repeats.

Move the characters of a string left or right, wrapping around the ends.

Turn any text into a palindrome and compare how many characters each method adds.

Validate, beautify or minify JSON with clear error reporting.

Turn an array of JSON objects into a CSV file.

Parse CSV into JSON, with header detection and type inference.

Convert YAML to JSON and back again in either direction.

Generate TypeScript interfaces from a JSON sample.

Indent and tidy up XML, or collapse it onto a single line.

Swap a CSV between comma, semicolon, tab and pipe separators.

Flip a CSV so rows become columns and columns become rows.

Turn a CSV table into YAML records.

Turn a CSV table into an XML document, as elements or attributes.

Find rows with missing fields, extra fields or empty cells.

Convert CSV to tab-separated values and back again in either direction.

Parse tab-separated text into JSON, with header detection and type inference.

Add a new column to a CSV at any position, filled with a value, a row number or nothing.

Swap two columns of a CSV, picked by header name or by index.

Encode text to Base64 and decode it back, with full Unicode support.

Convert any file into a Base64 data URL you can paste inline.

Percent-encode and decode URLs and query string components.

Compute SHA-1, SHA-256, SHA-384 and SHA-512 hashes of text or files.

Inspect the header, payload and expiry of a JSON Web Token.

Escape text for safe HTML output, or decode entities back to text.

Convert text to binary, octal, decimal or hexadecimal codes and back again.

Shift letters by any amount and brute force all 25 decodings when the shift is unknown.

Cut the background out of an image and save it with transparency.

Convert images between PNG, JPEG and WebP.

Resize an image to exact dimensions or a percentage, keeping the aspect ratio.

Shrink JPEG and WebP file size with a live quality preview.

Rotate an image in 90° steps or mirror it horizontally and vertically.

Convert a color between HEX, RGB, HSL and CSS notation.

Build tints, shades and harmonies from a single base color.

Check a foreground and background pair against WCAG AA and AAA.

Convert numbers between binary, octal, decimal and hexadecimal.

Convert length, mass, temperature and digital storage units.

Work out percentages, increases, decreases and differences.

Work out a typed arithmetic expression with parentheses, functions and constants.

Draw random TCP port numbers from a range while skipping ports that known services already use.

Convert a number to Roman numerals and back, with a breakdown of every symbol.

Convert Unix timestamps to readable dates and back.

Count the days, weeks, months and years between two dates.

Turn raw text into a JSON string literal, and back again.

Find every key that was added, removed or changed between two documents.

Turn a JSON document into nested XML elements.

Check whether a year has 366 days, and see which years nearby do.

Convert a duration between milliseconds, seconds, minutes, hours, days and weeks.

Find which weekday a date falls on, plus its week and quarter.

Build a Discord timestamp tag that renders in the timezone of whoever reads it.

Read a cron schedule in plain words and see when it runs next.

Cut a clock time or duration down to the nearest second, minute, quarter hour, half hour or hour.

Break a URL into its protocol, host, path, query and fragment.

Test a regular expression against sample text and inspect every match.

Turn a clip of a video into an animated GIF, with a colour palette pass for clean output.

Re-encode a video to H.264 at the quality you pick and see how much smaller it got.

Cut a start and end point out of a video, instantly by copying streams or frame accurately by re-encoding.

Scale a video to a named preset or a custom width while keeping the aspect ratio.

Crop a video to a box you set by hand or to a common aspect ratio worked out from the source.

Turn a video by 90, 180 or 270 degrees and flip it horizontally or vertically.

Speed a video up or slow it down between 0.25x and 4x, with the audio pitched along in step.

Pull the audio track out of a video as MP3, WAV, AAC or Opus.

Strip the audio track from a video while copying the picture untouched.

Convert audio between MP3, WAV, OGG, AAC, FLAC and Opus with your own bitrate and sample rate.

Cut a start and an end time out of an audio file and keep only the part in between.

Speed audio up or slow it down between a quarter speed and four times, keeping the pitch if you want.

Raise or lower audio by a set number of decibels, or normalise it to a broadcast loudness.

Join several audio files into a single track, in the order you choose.

Combine several PDF files into one document, in the order you choose.

Extract a page range from a PDF into a new document.

Turn chosen pages of a PDF in quarter turns.

Combine images into a single PDF, one page each.

Render chosen pages of a PDF to PNG, JPEG or WebP at up to 4x scale.

Pull the embedded raster images out of a PDF and save them as PNG.

Generate cryptographically random UUID v4 identifiers in bulk.

Generate strong random passwords with a live strength estimate.

Generate placeholder paragraphs, sentences or words.

Turn any text, URL or Wi-Fi credential into a downloadable QR code.

Turn a title into a clean, URL-safe slug with accent folding.