SQL Escape
Escape strings for safe use inside SQL queries. Escapes single quotes and other special characters to prevent SQL injection.
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How to Use This Tool
Paste your string into the input, choose Escape or Unescape, then click the button. Escape doubles single quotes and escapes backslashes so the string is safe to embed inside a SQL query.
Common Use Cases
- Safely embed user-supplied text in SQL string literals
- Prepare strings for legacy code that builds queries by concatenation
- Reverse-engineer escaped SQL strings for debugging
Frequently Asked Questions
What characters are escaped?
Single quotes are doubled ('' instead of \') and backslashes are escaped. This covers the most common SQL injection vectors when embedding strings in queries.
Does this prevent SQL injection?
Escaping reduces risk, but parameterised queries / prepared statements are the gold standard for prevention. Use this tool for quick checks or when manual string construction is unavoidable.
Is my data sent to a server?
No. All processing happens in your browser. Your data never leaves your machine.