Complete suite of free tools to make your daily work easier. Fast, secure and no registration required.
The most used tools by developers
Generate valid CPFs for testing
Validate CPFs quickly
Generate valid CNPJs for testing
Generate valid card numbers for testing
Format and validate JSON online
Encode and decode Base64
Check how long to crack your password
Test regular expressions with match highlighting
Validate JSON with detailed errors
Generate TypeScript interfaces from JSON
Generate QR Codes and download as PNG or SVG
Convert curl commands to JavaScript, Python, PHP and more
Complete reference for HTTP status codes (1xx-5xx)
Escape and unescape JSON strings easily
Complete table of HTML entities with search
Convert text to HTML entities and vice versa
Generate realistic test data: names, emails, addresses and more
Convert images between JPG, PNG, WebP and GIF
Compress images while maintaining quality
Unlike other online tools, here your data stays on your computer
Everything runs directly in your browser
Your data never leaves your computer
100% free, no limits
All tools are free and work directly in your browser. No registration, no limits.
