Image Compressor
Reduce the file size of JPG, PNG and WebP images, up to 8 at a time, and compare before and after. Nothing is uploaded.
How to use it
- Drop your images on the upload area or choose them; compression starts straight away.
- Change the output format, or open “More options” to adjust quality and the maximum width and height.
- Compare the size before and after, then download each image or all of them as a ZIP.
Examples
- Smaller dimensionsa 4000×3000 photo with maximum width 1600 1600×1200 at the same ratio
- No gaina PNG that is already well compressed the original stays the download
- Several images8 JPG photos at quality 75 one ZIP with the compressed images
Tool details and privacy
Compress JPG, PNG and WebP images in your browser, up to 8 at a time. You see each file size before and after, and download the images one by one or as a ZIP.
If compression does not make a file smaller, the original stays the download, so you never end up with a bigger file than you started with.
Options
- Output format: same as the original, or WebP, JPEG or PNG.
- Quality from 40 to 95 for JPEG and WebP, 75 by default. PNG is saved without loss.
- Optional maximum width and height up to 8000 pixels; the ratio is kept and images are never enlarged.
Limits
- Up to 8 images at a time, 12 MB and 24 million pixels each.
- Accepted formats: JPG, PNG, WebP and GIF. Only the first frame of an animated GIF is kept, as a PNG.
- With JPEG output, transparent areas become white. HEIC and SVG are not supported.
Privacy
Images are compressed in your browser and never uploaded. Only your format, quality and dimension choices are stored on your device, so they are there next time.
Questions
How do I reduce image size without losing quality?
Start at quality 75; the difference is rarely visible in photos. If the file is still large, enter a smaller maximum width or choose WebP.
Why did my image not get smaller?
Images that were already compressed, and some PNG files, cannot shrink further. The original then stays the download; try WebP or smaller dimensions.
Is a transparent background kept?
Yes, in PNG and WebP. JPEG has no transparency, so the background becomes white.
Is location data removed from the compressed image?
The compressed file is saved afresh without EXIF data, including location. If the file did not shrink and you download the original, its data is unchanged; use the image metadata remover to be sure.