String Escaper / Unescaper
Escape and unescape strings for JSON, JavaScript, HTML, and URLs — nothing is uploaded.
Output
Escape and unescape strings online
Paste any string and it’s escaped or unescaped as you type — no upload, no signup. Everything runs locally in your browser, so even sensitive data never leaves your machine.
Supports JSON, JavaScript, HTML entity, and URL (percent) encoding in a single tool.
FAQ
What’s the difference between JSON and JS mode? JS mode also escapes single quotes, which is useful inside JavaScript string literals delimited by single quotes.
Is my data sent anywhere? No — all processing happens entirely in your browser.