Dev Tools

Format JSON, encode Base64, convert colors, and handle common development tasks with free browser-based tools built for quick, local workflows.

Formatters

JSON validation, repair, minify, and formatting tools

Format, validate, and beautify JSON data.

Color, Base64, data, and format converters

Show the current time and convert Unix epoch seconds or milliseconds to readable dates and back locally in your browser.

Convert colors between HEX, RGB, HSL, and other formats.

URL, Base64, percent-encoding, and similar text transformation tools

Encode and decode Base64 data.

Encode and decode URL components, full URLs, and form values locally in your browser.

Decode JWT headers and payload claims locally in your browser.

Code, UUID, and test data generators

Generate styled QR codes for text, URLs, phone, email, SMS, and Wi-Fi locally in your browser.

Generate UUID v1, v4, v6, and v7 values in bulk, then copy or download the output locally in your browser.

Generate secure passwords, passphrases, and PINs with adjustable character rules, bulk output, and local browser processing.