Developer Tools

Encode text to Base64 or decode Base64 back to readable text instantly. Supports UTF-8 and Base64URL with private browser-based processing.

Convert colours between HEX, RGB, RGBA, HSL, HSLA, HSV, HWB and CMYK instantly. Preview colours, inspect CSS values and analyse contrast directly in your browser.

Build, validate and explain standard Unix cron expressions. Create schedules visually, understand each field and preview upcoming run times directly in your browser.

Encode HTML special characters into safe entities or decode HTML entities back into readable text. Work with named, decimal and hexadecimal entities directly in your browser.

Generate SHA-1, SHA-256, SHA-384 and SHA-512 hashes instantly from text. Create lowercase or uppercase hexadecimal hashes with private browser-based processing.

Format, beautify, minify and validate JSON online instantly. Detect invalid JSON, organise nested data and create clean, readable JSON directly in your browser.

Decode and inspect JSON Web Tokens online. View JWT headers, payloads, claims, timestamps and expiration details instantly in your browser without uploading your token.

Convert integers between binary, octal, decimal, hexadecimal and custom number bases from 2 to 36. Supports very large integers, negative values and instant browser-based conversion.

Generate strong random or memorable passwords instantly. Choose password length, character types, symbols and easy-to-remember word combinations with secure browser-based generation.

Test JavaScript regular expressions online with live match highlighting, capturing groups, named groups, flags and replacement previews directly in your browser.

Encode or decode URLs and URL components instantly. Convert special characters to percent-encoded values, decode encoded text and work with URI components or form-style query data directly in your browser.

Generate secure random UUID v4 identifiers instantly online. Create single or bulk UUIDs, choose uppercase or lowercase output, remove hyphens and copy or download results directly in your browser.

Convert Unix timestamps to readable dates or convert dates back to Unix time. Work with seconds, milliseconds, UTC, ISO 8601 and timezones directly in your browser.

Format, minify and validate XML instantly. Beautify XML with configurable indentation, detect malformed markup and inspect document statistics directly in your browser.

Format and validate YAML, convert YAML to JSON, inspect nested structure and catch syntax errors using reliable YAML parsing directly in your browser.