Everything in the catalog

Translates text between many languages with an NLLB model executed inside the browser through Transformers.js.

Opinionated demo for compressing JPEG and other images in the browser.

Single-file web page that produces TOTP codes from your secret without an account.

Privacy-focused online text diff tool that creates and shares comparisons.

Ask questions about a picture using the Moondream vision-language model running locally on WebGPU.

Creates QR codes for text, email, WiFi and more directly in the browser, with no limit.

Auto-detects pasted strings such as JWT, JSON, base64, URI, timestamp or gzip and shows the decoded view.

Turns pasted JavaScript into a draggable bookmarklet link.

Play chess against a Stockfish bot at six difficulty levels, with optional move hints.

Explains a cron expression in plain words, field by field, and lists the next ten run times.

Encodes and decodes the affine cipher with chosen coefficients.

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.