Encoding

JavaScript Escape

Escape a plain string into a JavaScript string literal — handles quotes, backslashes and control characters.

Plain text

JS-escaped string

Output will appear here…

Why use our JavaScript Escape?

Everything runs in your browser. Your data never leaves your device — safe for production payloads.

No round trips, no rate limits, no login. Format, validate and inspect megabytes of JSON in milliseconds.

Follows RFC 8259 / ECMA-404 exactly. Reports errors with precise line and column diagnostics.

Unescape a JavaScript string literal back into plain text. Handles \n \t \uXXXX.

Escape a plain string into a Java string literal — non-ASCII characters escaped as \uXXXX.

Escape text into a valid JSON string literal — newlines, quotes and unicode handled automatically.

Escape a value for safe inclusion in a CSV cell — quotes fields containing commas, quotes or newlines.

Escape HTML special characters (< > & " ') to entities. Safe injection into HTML markup.

Unescape a Java string literal back into plain text — decodes \uXXXX and \n \t etc.