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SQL Masking Tool

Masks and anonymizes table names, column names, and values within the browser while preserving SQL structure.

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About this tool

Replace sensitive information such as database identifiers and literal values with alternative values before sharing and reviewing SQL.

Features

  • Dialects of Oracle, PostgreSQL, MySQL, SQL Server, SQLite
  • Masking/anonymization of identifiers, strings, numbers, and comments

How to use

  1. Select the database type and paste the SQL.
  2. Select the masking target and display settings.
  3. Check and copy the masking results.
  4. You can remove masking individually by right-clicking on the target area of the masking result, and reapply by right-clicking again.

Limitations

  • Not all vendor-specific syntax can be completely parsed.
  • Please also check the target database for feasibility and correct syntax.

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Guides and troubleshooting

Privacy: Input and results are processed in your browser and are neither sent to nor stored on the Develop Tools server.