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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

Popular Developer Tools

Quick access to our most used tools

ASCII Art Generator
Generate ASCII art text with various fonts and styles
Barcode Generator
Generate barcodes in various formats (Code128, EAN, UPC, etc.)
Base Converter
Convert numbers between binary, octal, decimal, hexadecimal, and base36
Base64 Encoder/Decoder
Encode and decode Base64 strings online free
Binary Encoder/Decoder
Convert text to binary and binary to text online free
Case Converter
Convert text between camelCase, snake_case, kebab-case and more

Browse by Category

Explore our complete collection of developer tools

Converters
Unit and format conversion tools

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, SVG to CSS, Timestamp Converter, TOML Converter, Unit Converter, XML to JSON Converter

Encoders
Text and data encoding tools

Base Converter, 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, Markdown Preview, 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

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

Security Tools
Security and cryptography tools

CSP Generator, Hash Generator, JWT Decoder, JWT Generator, SSL Certificate Decoder, TOTP Generator

Utilities
Text analysis and utility tools

Cron Expression Generator, Text Diff Checker, HTTP Header Parser, IP Address Calculator, JSON Path Finder, Lorem Ipsum Generator, Number to Words, 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.