Universal code editor with syntax highlighting for 40+ languages. Edit TypeScript, Python, Java, Go, Rust, and more with Monaco Editor.
- Monaco Editor (same as VS Code) in the browser
- Syntax highlighting for 40+ languages
- No sign-up; start typing immediately
- Copy, download, or share code via link
- Useful for snippets, interviews, or quick tests
Run a quick code sketch, share a snippet with correct highlighting, or practice in a language without installing an IDE.
Try Online Code Editor at Spoold →
Spoold is a free developer toolbox that detects what you paste and opens the right tool.
- No sign-up – Use every tool without an account.
- Runs in your browser – Your data stays on your device; we don’t store or log your input.
- Paste and go – Paste JSON, HTML, JWT, curl, Base64, or any text on the homepage and Spoold suggests the right tool.
- One place for many tools – JSON formatter, JWT decoder, Base64, UUID generator, regex tester, curl-to-code, and more.