Developer Tools
Developer tools: JSON formatting, JSON ↔ YAML conversion, Base64, URL encoding, UUIDs, timestamps, regex, CSS/JS minification and more.
10 tools available in this category
Markdown Preview
Online Markdown editor with live preview. Write Markdown and see the HTML rendering instantly. Copy the generated HTML with one click.
Number Base Converter
Convert numbers between binary, decimal, octal, and hexadecimal instantly. Free developer tool with real-time updates.
JSON ↔ YAML Converter
Convert JSON to YAML and vice versa instantly. Free tool with automatic validation, formatting, and support for complex files.
Unix Timestamp Converter
Convert between Unix timestamp and readable dates instantly. Free tool for developers with millisecond support, UTC and timezone handling.
Base64 Encoder/Decoder
Encode and decode text to Base64 instantly. Free, secure tool with no limits. Bidirectional conversion with full Unicode and special character support.
URL Encoder / Decoder
Encode and decode URLs easily. Convert special characters to URL-safe format and back. Free tool for developers.
JSON Formatter
Format and beautify your JSON instantly. Syntax validation, customizable indentation, minification. Free tool for developers.
UUID/GUID Generator
Generate UUID v4 (random), v1 or v7 (timestamp-based) instantly, up to 100 at a time. Free, fast, no installation required, right in your browser. Perfect for developers.
CSS/JS Minifier
Minify your CSS and JavaScript code to reduce file size and improve web performance. Automatically removes whitespace, comments, and unnecessary characters.
Regular Expression Tester
Test and validate your regular expressions (regex) in real time. Free tool for developers with the g, i, m, s and u flags and captured group display.