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database diff & merge
KS DB Merge Tools for Cross-DBMS logo for Cross-DBMS
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KS DB Merge Tools for MySQL logo
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KS DB Merge Tools for PostgreSQL logo
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KS DB Merge Tools All-In-One license

Compare cross-DBMS schema and synchronize data

Scroll the gallery and click on the image title to open the use case with detailed steps. Use the Pro/Free toggle to switch application modes, if applicable.

KS DB Merge Tools for Cross-DBMS is an easy to use diff & merge tool for cross-DBMS scenarios:

  • Compare schema and data across different DBMS
  • Quick filters to show all/new/changed/new+changed
  • Merge table data changes in both directions
  • Lightweight: less than 20 MB
  • Free version with basic features, available for commercial use
  • Pro version with whole set of features at a reasonable price

Free Pro
Price and Download: Free, download Fully functional two weeks trial available, download
Personal license: USD $75, buy now
For companies and organizations: USD $95 ~ $40 per user (volume discounts), buy now
Prices are stated excluding VAT/taxes
Your payment is securely processed by our partner, 2Checkout, Netherlands (formerly Avangate, now Verifone)
Supported DBMS:
  • Oracle 11g, 12c, 19c, 21c and 23c
  • MySQL 5.5, 5.6, 5.7 and 8.0
  • MariaDB 10.2, 10.3, 10.4, 10.5, 10.6, 10.7, 10.8, 10.9, 10.10, 10.11 and 11.0
  • SQL Server 2008, 2008R2, 2012, 2014, 2016, 2017, 2019, 2022 and SQL Azure
  • PostgreSQL 10, 11, 12, 13, 14 and 15
  • SQLite and Microsoft Access files without password protection
  • Only cross-DBMS comparison supported, to compare same DBMS (including MySQL vs MariaDB) please consider KS DB Merge Tools for corresponding DBMS
Compare schema and programming objects:
  • Tables definitions (column names and generic types)
  • Views
  • Tables definitions (column names, generic types, native types and nullability)
  • Table indexes
  • Foreign keys / relations
  • Views
Compare data:
  • Per table with limitations
  • Per table
  • Per view
  • Batch data diff across multiple tables/views
  • Any table/view vs any other table/view merge only if target updateable
  • Any custom query result diff only
Other Pro features:
  • N/A
  • SSH support for MySQL and PostgreSQL
  • Export to Excel
  • Application customization
  • Misc. other enhancements: scrollbars colored with changes summary, navigation thru changes, advanced search, etc.
Feedback and Support: Please contact us via email:
sales@ksdbmerge.tools for questions about licensing, pricing or ordering
support@ksdbmerge.tools for any other question.
Bugs can be reported by email or using our issue tracker on the GitHub.