What it does
The compressor estimates output size, lets you adjust quality and exports a new image locally when the browser supports the chosen format.
Image utility
Free Image Compressor
Reduce image weight for websites, blogs, previews and campaigns with a browser-based compressor that keeps your file local.
Free browser tool
Free Image Compressor
Upload an image, review its file size and use the Compress and convert panel to export an optimized JPG, WebP or PNG preview.
Drop your image here or choose a file
Supports JPG, PNG, WebP, static GIF and basic SVG. Recommended visual limit: up to 15 MB.
Privacy-first: your image is analyzed locally in your browser.
Scores are estimated from common platform guidelines and practical publishing heuristics.
Choose a preset, upload an image and the results will appear here with score, warnings, practical recommendations and export tools.
Format choices
Use JPG for many photos, PNG when transparency or crisp graphics matter, and WebP when you want a modern balance of quality and size.
When to compress
Compression is useful before uploading blog images, hero images, product visuals, email graphics and social previews that may slow down loading.
FAQ
Questions about free image compressor
How does the image compressor work?
After you upload a supported image, the browser draws it to Canvas and exports a new file with the selected quality and format when supported.
When should I use WebP?
WebP is often useful for reducing file size while preserving good visual quality, especially for website and blog images.
When is JPG a good choice?
JPG is commonly useful for photos and broad compatibility, especially when transparency is not required.
Should I compress PNG files?
PNG is useful for transparency and sharp graphics, but it may be heavier for photos. WebP can often be a better publishing format.