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AiTechWorlds
AiTechWorlds
Run Python, JavaScript, TypeScript, SQL, HTML, CSS, React and more — no installation, no account, completely free. Powered by WebAssembly.
Run Python 3 in your browser using Pyodide WebAssembly. Perfect for data science, ML, and scripting.
Execute JavaScript instantly using native browser engine. ES6+, async/await, console.log all supported.
Write TypeScript with full type checking. Transpiled via Babel to run immediately in browser.
Build React components with JSX and see the live rendering in an iframe. No setup needed.
Write and execute SQL queries using SQLite WASM. Create tables, run SELECT, JOIN, GROUP BY.
Write HTML and see live preview. Full DOM support with scripts and styles in sandboxed iframe.
Write CSS and see it applied to sample HTML in real time. Perfect for learning layouts and animations.
Validate and format JSON. Syntax errors are highlighted and output is beautifully pretty-printed.
Write Markdown and see rendered HTML preview. Supports headers, lists, bold, italic, links.
Test regular expressions against multiple strings. See match count and captured groups clearly.
Syntax Highlighting
Full CodeMirror 6 syntax highlighting for all 10 languages.
Line Numbers
Numbered gutter with code folding and active line highlight.
Share via URL
Encode your code into a shareable link — no server needed.
Save Snippets
Save your code snippets locally in your browser.
Search & Replace
Ctrl+F to search, Ctrl+H to replace within the editor.
Fullscreen Mode
Expand the editor to fill the entire screen.
Split View
See code and output side-by-side on desktop.
stdin Input
Provide input() values for Python scripts.
4 Themes
VS Code Dark, Dracula, Monokai, GitHub Light.
Open / Download
Open local files and download your code as a file.