Optimize images
Optimize quality and size for the web, with no upload.
100% local processing: no upload to a server. Your files stay on your device.
1
Drop your files
Drop one or more files.
2
Choose a setting
Adjust options (format, quality, ratio…).
3
Download
Download the result, with the localoptim_ prefix automatically.
Drag and drop here
Drag and drop here, or use the button. You can also drop directly onto the list to reorder.
100% local processing: no upload to a server. Your files stay on your device.
Generator
Set the options, then start the generation.
100% local processing: no upload to a server. Your files stay on your device.
Files
You can reorder by drag and drop.
Preview
Preparing
Downloads
Frequently asked questions
Optimize aims for the best balance (size/quality) with tuned settings. Compress is more direct and manual.
No. Local processing (privacy-first), no upload or storage.
WebP is often the lightest. AVIF can be great but depends on browser support.
Yes indirectly: lighter images speed up the site, improve Core Web Vitals, and user experience.
Yes if you export to PNG or WebP (depending on options).
No collection: native GDPR compliance.
Optimize before uploading to your CMS to avoid huge images server-side.
Settings
0 = keep original width. Otherwise, resizes if the image exceeds it.
Stronger compression: smaller files, lower quality, may be slower.
Help