String Escape & Unescape: JS, HTML, URL, Base64

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Quickly escape and unescape strings

Escape or unescape strings for JavaScript and HTML safely, encode URLs, and perform Base64 conversions directly in your browser.

Copy the output or download it for use in code snippets, templates, or debugging tasks.

How to use

Paste or type your input string in the left editor

Use toolbar actions to escape/unescape for JS or JSON, encode/decode URLs, or convert to/from Base64

Copy the result from the right panel or use the share link to save your input

Why this tool

Fast, private browser-based processing — no server uploads

Handy for preparing strings for source code, HTML templates or URL parameters

Simple, clean interface designed for quick conversions

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