Free image compressor without losing quality
Compress JPG, PNG, WebP, and AVIF images locally in your browser. Compare before and after, tune quality, resize dimensions, and download instantly without uploading to a server.
Live comparison
Preview original and optimized versions side by side with a drag slider before downloading.
Resize and convert
Adjust width and height, then export to WebP, AVIF, JPEG, or PNG from one editor.
Private processing
Your image stays in the browser during compression, making the workflow fast and privacy-friendly.
How this image compressor works
1. Choose an image
Select a JPG, PNG, WebP, or AVIF file from your device.
2. Adjust compression
Tune quality, effort, and resize settings with instant preview.
3. Download result
Save the optimized file directly after checking size and quality.
Frequently asked questions
Can I compress images without uploading them?
Yes. This tool is designed for local browser-based processing, so you can optimize images privately on your device.
Which image formats are supported?
You can work with JPG, PNG, WebP, and AVIF, and choose the output format inside the editor.
Will image quality be affected?
Compression always balances file size and visual quality, which is why the live comparison slider helps you choose the right settings.