Are my files uploaded?

No. This tool runs entirely in your browser tab. Files are read from your disk into memory and the result is generated locally.

Is it free? Are there limits or watermarks?

Free and open source (MIT). There are no file-size caps, daily quotas, accounts or watermarks.

Does it work offline?

Yes, once the page (and any engine it needs) has loaded, it keeps working without a connection thanks to the service worker cache.

Home / Developer / String Escape / Unescape

String Escape / Unescape

Escape or unescape text for JSON, JavaScript, Java, C#, Python, C, Go, SQL, CSV, regex, shell and HTML.

Free, no uploads, no sign-up. Runs 100% in your browser.

How String Escape / Unescape works

Each language has its own rules for quotes, backslashes, control characters and Unicode. The output is tested to round-trip back to your original text.

How to use String Escape / Unescape

Open String Escape / Unescape and paste or type your input.
Results update instantly as you type.
Tweak options such as format, indentation or algorithm.
Copy the output or download it as a file.

Tips

Everything is computed locally. Safe for tokens, keys and private data.
Use Ctrl/⌘ + K to jump between developer tools quickly.

String Escape / Unescape FAQ

Are my files uploaded?: No. This tool runs entirely in your browser tab. Files are read from your disk into memory and the result is generated locally.
Is it free? Are there limits or watermarks?: Free and open source (MIT). There are no file-size caps, daily quotas, accounts or watermarks.
Does it work offline?: Yes, once the page (and any engine it needs) has loaded, it keeps working without a connection thanks to the service worker cache.

Related tools

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Regex Tester: Test regular expressions with live highlighting and groups.
JSON Formatter: Prettify, validate, minify and explore JSON as a tree.