Everything in the catalog

Encodes and decodes with a custom alphabet substitution.

Encodes and decodes Bacon cipher text.

Decodes Base64 strings into readable text.

Converts binary digits to text as you type.

Encodes and decodes Caesar shift ciphers and updates as you type.

Online Enigma machine simulator with rotor, ring and plugboard settings.

Encodes and decodes ROT13 text.

Encodes text as bytes in binary, hex or decimal.

Encrypts and decrypts text with a Vigenere keyword.

Moves the CSS you paste into inline style attributes on the HTML, the format email clients expect.

Converts CSS pixel values to rem and back.

Converts pasted or uploaded CSV into JSON.

Rewrites the variables of a .env file as entries for a netlify.toml configuration.

Converts epoch seconds, epoch milliseconds or date strings to and from readable dates.

Demo of FFmpeg compiled to WebAssembly that transcodes video inside the browser.

Opens an HTTP Archive file so you can inspect recorded requests and timings.

Converts HEX colour codes to RGB values and RGB back to HEX.

Previews pasted HTML in a sandbox, can run scripts, copy as PNG and make a share link.

Turns pasted HTML into a PDF with page size and orientation choices.

Resizes an image by dimensions, keeps the aspect ratio if asked, and exports PNG or JPEG.

Indents and structures raw JSON for reading and validation.

Turns pasted JSON into CSV.

Turns pasted JSON into tab-separated values.

Converts JSON to YAML.