Compare and synchronize MySQL & MariaDB schema and data

KS DB Merge Tools for MySQL is an easy to use diff & merge tool for MySQL and MariaDB databases:

Compare both schema and data
Quick filters to show all/new/changed
Merge changes in both directions
Lightweight, < 15 MB
Free version with basic features, available for commercial use. No credit card, no signup, no ads, no hidden telemetry.
Pro version with whole set of features at a reasonable price. Free 14 days trial available.
Supported DBMS:
- MySQL 5.5 .. 8.4
- MariaDB 10.2 .. 11.5

Screenshots and use cases

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

Schema changes summary

Data changes summary

Compare table data

Compare ad hoc query result

Compare table schema

Automation

Compare list of objects

Compare object definition

Please open this page on the wide screen to get the Free vs Pro features and pricing overview, or use the ≡ menu to download and/or get more details.

	Free	Pro
Price (USD, excluding VAT):	$0	Single-user personal license:	$80 BUY NOW
		Multi-user license for companies and organizations:	$105 ~ $60 per user, volume discounts: 5 users: $375 ($75 per user) 10 users: $700 ($70 per user) 20 users: $1200 ($60 per user) BUY NOW
		Payments are handled externally by PayPro Global (Toronto, Canada), transactions are encrypted and secure This is a perpetual license including a one-year of free upgrades More about purchasing, license types and discounts
Compare schema and programming objects:	Tables (columns and constraints) ^{merge new only} Views Stored procedures Functions	Tables (columns, constraints and indexes) Triggers Views Stored procedures Functions Events Sequences (MariaDB) Other objects can be compared by querying system metadata
Compare data:	Per table ^{with limitations}	Per table Per view Any table/view vs any other table/view ^{merge only if target updateable} Any custom query result ^{diff only} Batch data diff across multiple tables, views, custom mappings and custom queries Data slices (customized subset of Batch data diff)
Other Pro features:	N/A	Diff profiles Id-Remap Merge Export to Xlsx and Json Application customization Automation and scripting Misc. other enhancements: SSH support, scrollbars colored with changes summary, navigation thru changes, advanced search, etc. More about Pro features

If you have any questions, please contact us.