API Tester & URL Editor

Full-featured API testing tool with headers, payloads, and all HTTP methods (GET, POST, PUT, DELETE, etc.)

🚀 API Tester & URL Editor - Version 2.0 The ultimate tool for developers! Combines powerful URL editing with complete API testing capabilities - all in your browser. ✨ API TESTING FEATURES (NEW!): • All HTTP Methods: GET, POST, PUT, DELETE, PATCH • Custom Headers: Authorization, API keys, Content-Type, etc. • Request Bodies: JSON (validated), Form Data, Raw Text • Response Viewer: Opens in full Chrome tab with formatted output • Status Indicators: Color-coded success/error badges • Request Timing: See response duration • Copy Buttons: One-click copy for headers and body • Tabbed Response: Body, Headers, and Raw views 🔗 URL EDITING FEATURES: • Smart URL Builder: Edit paths and query params in one tab • Drag & Drop: Reorder path segments visually • Protocol & Host: Full control over all URL components • Real-time Preview: URL updates as you type • Hash/Fragment: Edit URL anchors • Quick Suggestions: Recently used segments and parameters 🎯 SMART FEATURES (NEW!): • Tab Usage Tracking: Most-used tabs appear first • Last Tab Memory: Opens where you left off • Enter Key Navigation: Press Enter to navigate quickly • Collapsible Sections: Clean, organized interface • Timestamp Viewer: Convert Unix timestamps on any page 🎨 PROFESSIONAL UI: • Modern gradient design with smooth animations • Dropdown tab selector for clean navigation • Green "Navigate" button with enter symbol • Color-coded HTTP method badges • Responsive layouts with proper text wrapping 🔒 PRIVACY & SECURITY: • 100% Local Storage: All data on YOUR device • NO Data Collection: Zero tracking or analytics • NO External Servers: No data transmission • Open Source: Transparent, auditable code • No Dependencies: Pure JavaScript 💡 USE CASES: • REST API Testing & Development • Quick API endpoint verification • Testing with custom authentication headers • JSON payload validation • URL manipulation for testing scenarios • Path and parameter experimentation • API documentation and debugging • Integration testing • Save and reuse API configurations 🛠️ TECHNICAL DETAILS: • Manifest V3 (modern Chrome extensions) • Modular ES6 architecture • Zero external dependencies • Comprehensive error handling • Chrome Storage API for data • Dedicated response viewer tab 📊 PERFECT FOR: • Backend Developers • Frontend Developers • QA Engineers • API Developers • DevOps Engineers • Technical Writers • Anyone working with REST APIs 🎁 BONUS FEATURES: • URL History: Track your API calls • Recent Suggestions: Quick parameter insertion • Timestamp Conversion: Unix to readable dates • Multiple Format Support: ISO 8601, RFC 2822, Custom Transform your API testing workflow! Say goodbye to Postman for quick tests and hello to instant, browser-integrated API testing.