IT & Developers
String Escape/Unescape Tool - Escape strings for different programming contexts
Escape strings for different programming contexts
Formulas and edge cases are reviewed against authoritative references before publication. For methodology, editorial standards, or corrections, use the links below.
Frequently asked questions
When to escape strings?
When inserting user data into code, URLs, HTML, or SQL to prevent injection attacks.
JSON vs JavaScript escaping?
Similar but JSON is stricter - requires double quotes, no single quotes or template literals.
What about SQL injection?
Always use parameterized queries. String escaping alone is not sufficient protection.
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About this tool
This String Escape/Unescape Tool turns your inputs into practical results. Provide Input String, Direction, and Format to calculate Result and Characters Changed.
Adjust values to compare scenarios and see how sensitive the result is. The calculation uses the numbers as entered, so double-check units and expect small differences from rounding in the displayed totals.