14 Tools

Developer Tools

Free online developer tools for formatting, converting, encoding, and debugging code. JSON, XML, CSS, JavaScript, and more.

Json

JSON Formatter & Beautifier

Format and beautify JSON data with syntax highlighting and error detection.

JSON Minifier

Minify JSON to reduce file size by removing whitespace.

Encoding

Base64 Encoder / Decoder

Encode text to Base64 or decode Base64 to text.

Hash Generator (MD5, SHA)

Generate SHA-1, SHA-256, and SHA-512 hashes from text.

URL Encoder / Decoder

Encode or decode URLs and query parameters.

Testing

Regex Tester & Debugger

Test and debug regular expressions with real-time matching.

Generators

Password Generator

Generate strong, random passwords with customizable options.

UUID Generator

Generate UUID v4 identifiers instantly.

Design

Color Converter

Convert colors between HEX, RGB, and HSL formats.

Conversion

Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

Minifiers

CSS Minifier

Minify CSS code to reduce file size.

Debugging

JWT Decoder

Decode and inspect JSON Web Tokens (JWT).

Formatters

HTML Formatter

Format and beautify HTML code with proper indentation.

Converters

Markdown to HTML Converter

Convert Markdown text to HTML code.

Frequently Asked Questions

Are these developer tools safe to use with sensitive data?

All processing happens in your browser. No data is sent to our servers. However, we recommend not pasting production credentials or API keys into any online tool as a best practice.

Do the tools support large files?

Text-based tools handle up to 10MB. For larger files, we recommend using command-line tools locally.