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Code Playground
Live HTML, CSS, and JavaScript editor with instant preview. Like CodePen in your browser.
Related Tools
HTTP Status Reference
Searchable reference for all HTTP status codes with descriptions.
API Tester
Send HTTP requests (GET, POST, PUT, DELETE) and inspect responses. Like Postman in your browser.
SQL Playground
Run SQL queries in your browser with in-memory SQLite. Practice joins, aggregations, and more.
Screen Resolution
Check your screen resolution, viewport size, pixel ratio, Tailwind breakpoint, and device info.