Choose the image format, select the right scope, understand each change and keep your safety controls close at hand.
Convert compatible image uploads and selected WordPress Media Library files to four output formats. Not every hosting server can write every format; unsupported writers are detected instead of silently producing invalid files.
| Format | Often useful for | Notes |
|---|---|---|
| WebP | Everyday web images | Modern browser support and flexible compression |
| AVIF | High-efficiency delivery | Requires server AVIF writer support |
| JPEG | Photographs | Lossy, broadly compatible |
| PNG | Graphics needing lossless output | Quality setting changes compression effort, not image detail |
Final output size depends on input content, format and encoder; no fixed reduction is guaranteed.
Preview and Dry Run help you compare outcomes without immediately replacing an attachment.
Slide between the source and a temporary converted preview. Compare file size, dimensions and selected profile before applying.
Check a selection, one page or the entire library for eligibility and projected image-weight changes.
Start with straightforward choices, or open advanced settings for source rules and fine-grained conversion policy.
Choose a particular page, hand-pick images or run a controlled library-wide operation. Live status helps explain what's happening while jobs run.
Optimization is reversible only when a valid retained snapshot exists. The dashboard makes these restore options visible and manageable.
Up to three pre-optimization states can be retained for each image. Each successful conversion can add a rollback point.
Return a single image to an available earlier state, then regenerate the relevant attachment metadata and sizes.
Restore a bulk run's successful conversions while skipping images modified later or missing required backups.
Review retained backup storage and remove obsolete snapshots intentionally. Backup deletion does not delete current live images.
Rollback depends on valid backups, available disk space and correct filesystem permissions. Always keep a separate full-site backup before large conversion runs.
The plugin does not require a remote image optimization API. Supported conversions use compatible image libraries already present on your WordPress host, subject to server capability and resource limits.
Read the privacy policyWordPress Media Library → local encoder → optional rollback snapshot → your WordPress website