Developer Tools
Hash generators, JWT decoder, regex tester, and SEO tools
Code Minifier
Minify HTML, CSS, and JSON online. Reduce file size by removing comments, whitespace, and formatting. Free code compression tool.
Diff Checker
Compare two text versions side by side with highlights for additions and deletions. Spot changes in code, configs, or copy instantly with private, in-browser processing.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes online. Free cryptographic hash calculator for developers.
JWT Decoder
Decode and inspect JSON Web Tokens (JWT) online. View header, payload, and signature. Free JWT parser for developers.
Robots.txt Generator
Generate robots.txt file online. Control how search engines crawl your website with User-agent, Disallow, and Sitemap directives.
Meta Tag Generator
Generate Open Graph and Twitter Card meta tags for better social media sharing. Create SEO-friendly meta tags online.
Regex Tester
Test and debug regular expressions online. Live matching with highlighting, flag options, and preset patterns for common use cases.
UTM Builder
Create UTM-tagged URLs for tracking marketing campaigns. Generate Google Analytics compatible UTM parameters for any URL.