Database search & replace
- Better Search Replace [WordPress repository]
- When moving your WordPress site to a new domain or server, you will likely run into a need to run a search/replace on the database for everything to work correctly.
- Better Search Replace Pro [ 5 stars ]
- BSR Pro makes it incredibly easy to backup, import, and migrate your database between WordPress installs.
Database cleanup tools
- Advanced Database Cleaner Premium [ 5 stars ]
- WP Optimize vs WP Sweep vs Optimize Database vs Advanced Database Cleaner WordPress Plugins Review
- A youtube tutorial comparing database cleanup tools