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DevTools

Free online developer tools for encoding, formatting, generating, and security tasks

All processing is done in your browser - your data never leaves your device

Browse by Category

Explore our complete collection of developer tools

Converters
Unit and format conversion tools

Base Converter, Case Converter, Color Converter, CSV to JSON Converter, HTML to Markdown Converter, JSON Schema Generator, JSON to CSV Converter, JSON to Go Struct, JSON to TypeScript, JSON to XML Converter, Markdown to HTML Converter, Morse Code Converter, Number to Words, SVG to CSS Converter, Timestamp Converter, TOML/JSON/YAML Converter, Unit Converter, XML to JSON Converter

Encoders
Text and data encoding tools

Base64 Encoder/Decoder, Binary Encoder/Decoder, String Escape/Unescape, Hex Encoder/Decoder, HTML Entity Encoder/Decoder, URL Encoder/Decoder

Formatters
Code and data formatting tools

CSS Formatter/Minifier, HTML Formatter/Validator, JSON Formatter, JavaScript Minifier/Beautifier, SQL Formatter, Text Analyzer, XML Formatter/Validator, YAML Formatter/Validator

Generators
Generate IDs, keys, and random data

ASCII Art Generator, Barcode Generator, Password Generator, QR Code Generator, Random Data Generator, UUID Generator

Image Tools
Image processing and optimization tools

EXIF Reader, EXIF Transfer, Favicon Generator, Image Compressor, Image Resizer & Compressor, Image to Base64 Converter, Placeholder Image Generator, SVG Optimizer

Security Tools
Security and cryptography tools

CSP Generator, File Checksum Calculator, Hash Generator, JWT Decoder, JWT Generator, SSL Certificate Decoder, TOTP Generator

Utilities
Text analysis and utility tools

Color Eyedropper, Cron Expression Generator, Text Diff Checker, HTTP Header Parser, IP Address Calculator, JSON Path Finder, Lorem Ipsum Generator, Markdown Preview, Regex Tester, Slug Generator, String Length Calculator, Text Sorter & Deduplicator, URL Parser, User Agent Parser, Word Counter & Text Analyzer

Why Choose Our Developer Tools?

Free & No Registration

All our developer tools are completely free to use. No registration, no limits, no hidden costs.

Privacy & Security

All processing happens in your browser. Your data never leaves your device, ensuring complete privacy.

Fast & Reliable

Instant results with no server processing. Perfect for developers who need quick conversions and formatting.