Escape / Unescape Tool
Escape or unescape strings for JavaScript, JSON, HTML, SQL, and regex online for free.
Escapes \n \t \r ' " \ and Unicode \uXXXX
このツールについて
Escape or unescape strings for JavaScript, JSON, HTML, SQL, and regular expressions. Handles special characters, newlines, quotes, backslashes, and Unicode sequences.
使い方
Enter String
Paste the string to escape or unescape.
Choose Context
Select JavaScript, JSON, HTML, SQL, or Regex.
Escape or Unescape
Click the action button and copy the result.
活用シーン
Safe String Handling
Escape strings before use in SQL queries, JSON payloads, or HTML templates.
よくある質問
Is SQL escaping safe to use in production?
This tool is for learning and debugging. Always use parameterized queries in production code.