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String Escaper

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Escape and unescape JSON, JavaScript, HTML and URL strings.

About this tool

String Escaper — Escape and unescape JSON, JavaScript, HTML and URL strings. Free, fast and private. Runs entirely in your browser at Quick Calci Tools.

Who uses the String Escaper?

Common scenarios and audiences for this tool.

Backend devs

Prepare JSON string literals for configs.

Frontend devs

Escape user content before embedding.

Technical writers

Fix broken HTML entity examples.

QA

Build edge-case strings for form tests.

Students

Learn escape sequences visually.

Frequently asked questions

Everything you need to know about the String Escaper.

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