Accepts JPEG, PNG, WEBP, AVIF, GIF, BMP, etc. (Max 10 images at once)
No images selected yet
Upload up to 10 images to compare before and after compression.
Processing Complete!
All images are ready for download.
Shrink file sizes by up to 90% without sacrificing visual fidelity using browser-accelerated quantization.
Drag and drop individual assets or batch upload images directly into UtilLab. Supports JPG, PNG, WebP, and AVIF.
Select the exact ratio to match your use case with real-time file size and quality estimation:
Inspect the saved KB stats, compare live previews side-by-side, and download assets individually or in a ZIP bundle.
We use smart lossy and lossless quantization algorithms that strip unnecessary metadata and optimize color palettes, drastically shrinking file size while preserving noticeable visual clarity.
Low compression provides slight optimization while retaining pristine pixel-perfect quality. Medium balances noticeable size reduction with high visual fidelity, making it ideal for the web. High compression maximizes bandwidth savings for rapid page loads.
UtilLab supports popular web and photographic formats including JPEG, JPG, PNG, WebP, and AVIF up to 50MB per file.
No. Processing is handled securely with client-side acceleration, and your files are never retained, indexed, or shared with third parties.
Yes, you can batch upload multiple pictures at once, apply compression presets across all of them, and download the optimized assets individually or bundled in a single ZIP file.
Select your favorite utilities to save them locally in your browser.