Developer Tools

22 free tools that run in your browser

JSON Formatter

Pretty print & validate JSON

JSON Validator

Check JSON syntax

XML Formatter

Indent XML beautifully

XML Validator

Validate XML structure

HTML Formatter

Clean up HTML

CSS Minifier

Shrink CSS files

JS Minifier

Minify JavaScript

SQL Formatter

Format SQL queries

Base64 Encoder

Encode & decode Base64

URL Encoder

Encode URLs safely

JWT Decoder

Decode JWT tokens

Hash Generator

SHA hashes

UUID Generator

Generate UUID v4

Regex Tester

Test regular expressions

Cron Generator

Build cron expressions

API Tester

Test REST APIs

Header Checker

Check HTTP headers

Markdown Editor

Live markdown preview

Code Explainer

Analyze code

Code Optimizer

Minify code

SQL Generator

Generate SQL

Regex Generator

Create patterns