ToolsDev.dev - 70+ Free Online Developer Tools

ToolsDev.dev is a comprehensive platform designed specifically for developers, testers, business analysts, and product owners who need reliable, fast, and secure online tools. Our collection of over 70 essential developer utilities covers everything from data formatting and encoding to generation and validation, all accessible without registration or subscription fees. Every tool processes data directly in your browser, ensuring complete privacy and security for your sensitive information.

Popular Developer Tools

• JSON Formatter - Format, validate, and beautify JSON data with syntax highlighting and error detection for easier debugging and development
• Base64 Encoder and Decoder - Convert text and binary data to and from Base64 encoding instantly for data transfer and storage
• Hash Generator - Generate cryptographic hashes including MD5, SHA-1, SHA-256, and SHA-512 for data integrity verification
• Regex Tester - Test, debug, and validate regular expressions in real-time with pattern matching visualization and explanation
• UUID Generator - Generate universally unique identifiers in UUID v1, v4, and v7 formats for database keys and identifiers
• JWT Decoder - Decode, inspect, and validate JSON Web Tokens to debug authentication and authorization issues
• Timestamp Converter - Convert between Unix timestamps, ISO dates, and human-readable date formats across timezones
• Dataset Duplicator - Generate realistic test data in JSON, CSV, XML, TSV, and SQL formats with customizable fields for QA testing
• URL Encoder and Decoder - Encode special characters for URLs or decode percent-encoded strings for web development
• Color Converter - Convert colors between HEX, RGB, HSL, and other formats for web design and CSS development
• SQL Formatter - Format and beautify SQL queries with proper indentation for better readability and maintenance
• Markdown to HTML Converter - Convert Markdown documents to clean HTML for blogs, documentation, and web content

Why Choose ToolsDev.dev for Your Development Workflow?

Privacy-First Approach: All data processing happens directly in your browser using client-side JavaScript. Your sensitive information including API keys, passwords, and confidential data never leaves your device or gets transmitted to any server. This makes ToolsDev.dev safe for processing production data and credentials.

Lightning-Fast Performance: Built with modern web technologies including React and Vite, ToolsDev.dev delivers instant results without network latency. Whether you are converting timestamps, generating UUIDs, formatting SQL queries, or encoding Base64 strings, every operation executes immediately in your browser.

Professional-Grade Quality: Our tools meet enterprise standards and are used by developers, QA engineers, business analysts, and product owners at companies worldwide. From JSON validation to regex testing, every tool is designed for professional use cases.

Free REST API Access: Integrate our developer tools directly into your workflow with our comprehensive free REST API. Automate data transformations, integrate with CI/CD pipelines, or build custom applications using our API endpoints for JSON formatting, Base64 encoding, hash generation, and more.

Start using our free online developer tools today to streamline your development workflow and boost your productivity. No signup required, no subscription fees, just powerful tools ready when you need them.