API Tester
Test REST, GraphQL, and webhook endpoints with zero config.
Essential dev utilities at your fingertips. No bloat, no distractions.
Test REST, GraphQL, and webhook endpoints with zero config.
Beautify, minify, and validate JSON in milliseconds.
Visual regex constructor with live matching preview.
Coming soonEncode and decode Base64, URL-safe, and hex strings.
Decode and verify JWTs with header and payload inspection.
Side-by-side text and code comparison with syntax highlight.
Validate cron expressions and see next run times.
Coming soonParse, encode, and decode URLs with query string support.
Track unpaid invoices and see how overdue each one is.
Built for developers, by developers
API testing, JSON formatting, regex builders, and 20+ essential utilities. Free, fast, and designed for the terminal generation.
No account walls. No data collection. Just tools that respect your workflow.
Start using tools instantly. No account, no friction.
Your data never leaves your machine. Privacy-first by design.
Built for power users. Shortcuts for everything.
βFinally, a dev tools site that doesn't feel like it was designed in 2010. Fast, clean, and actually useful.β
No signup. No credit card. Just open the tools and start building.
Launch DevKit β