WordPress’s media library is a dumping ground. Over time, it fills with unused images from deleted posts, files with cryptic names like IMG_20240315_142857.jpg, orphaned thumbnails, and duplicates. This bloat wastes disk space, slows backups, and makes finding anything impossible.
Most site owners ignore this until it’s a problem. By the time you realize your media library has 10,000 files and half of them are unused, manual cleanup is impractical. Automated tools that scan, detect, and safely remove unused media, or rename files for SEO and organization, save enormous amounts of time.
Our general recommendation: Run a media cleanup tool periodically, especially if your site has been around for more than a year or has gone through redesigns. Rename media files with meaningful, SEO-friendly names instead of camera defaults. These are small maintenance tasks with outsized benefits for both performance (smaller backups, faster migrations) and SEO (descriptive image filenames matter for image search).
A word of caution
Media cleanup tools delete files. Always back up your site before running any cleanup, and use plugins that offer a trash/recovery mechanism rather than permanent deletion. A good cleanup tool will show you exactly what it plans to remove and let you review before confirming.