Free Online Image Compressor
Compress JPG, PNG, WebP, BMP, and GIF images in your browser. Adjust quality and download images individually or as a ZIP.
Privacy: selected images are processed locally in your browser and are not uploaded to our server. Pixel dimensions stay unchanged. PNG uses lossless encoding and may not become smaller. JPG fills transparent areas with white. Animated GIFs use the first frame.
How to Compress Images Online
Use this free image compressor to reduce JPG, PNG, WebP, BMP, and GIF file sizes without uploading your files to a server. Choose WebP or JPG for quality-based compression, or PNG for lossless output.
- Select up to 10 images. Each file must be 10 MB or smaller.
- Choose WebP, JPG, or PNG output.
- Adjust WebP or JPG quality and wait for automatic processing.
- Compare original and compressed file sizes.
- Download each result or the batch as a ZIP.
Why Use This Image Compressor?
- Local processing: Files are processed in your browser, not uploaded to our server.
- Batch support: Compress up to 10 images per session, with a 10 MB limit per image.
- Format choice: WebP often balances quality and size; JPG is useful for photos; PNG is lossless.
- Unchanged dimensions: The tool changes encoding and quality, not pixel width or height.
Image Compressor FAQs
Will every image become smaller?
No. Results depend on the original file and output settings. PNG output can be larger because it is lossless.
Are images uploaded?
No. Images are processed locally in the browser.
Can I compress multiple images?
Yes, up to 10 inputs, each no larger than 10 MB. Download individually or as a ZIP.
Does JPG preserve transparency?
No. Transparent areas are filled with white for JPG output.
Does compression resize images?
No. The pixel dimensions stay the same.
Want a practical workflow? Read our guide How to Compress Images for Websites: File Size, Quality & WebP for format advice, quality checks, and common mistakes to avoid.
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