Image Quality Optimizer

The Image Optimizer reduces an image’s size either by adjusting quality manually or by setting a target file size and letting it find the right quality. It is for anyone balancing image quality against weight.

Hitting a specific file size by trial and error is slow. Letting the optimizer search for the quality that meets a target is faster, and the image stays in your browser.

1. Drop an image into the optimizer.
2. Either adjust quality by hand or set a target file size.
3. For a target, the optimizer finds the quality that meets it.
4. Compare the result against the original.
5. Download the optimized image.

• Manual quality control or target-size mode
• Automatic quality search for a target
• Original-versus-result comparison
• Runs locally — Image Quality Optimizer

• Meeting an upload size limit with the best possible quality
• Reducing image weight for faster pages
• Optimising a batch of photos to a consistent size
• Finding the quality sweet spot for an asset

• Resize to the final display dimensions before optimising for the biggest savings.
• Raise the target if compression artefacts become visible.
• Keep the original in case you need a higher-quality version later.

• Setting a target so small that quality collapses; raise it if artefacts appear.
• Optimising before resizing, so bytes are spent on pixels you do not need.
• Keeping only the optimized copy when you may need the original later.