About this tool
Phone photos are often 3 to 8 MB, which is too big for most upload forms. Compress image reduces the file size while keeping the picture looking good. You can also shrink the dimensions for even smaller files. Results are saved as JPG.
How to use it
- Choose one or more images.
- Select the compression strength and, if needed, a smaller maximum size.
- Select Compress, then save each image or download them all as a ZIP.
When this is useful
- Get a photo under a form size limit.
- Send pictures faster on slow internet.
- Save phone storage.
- Prepare images for a website.
Tips for best results
- Use Recommended for most photos.
- Shrink the dimensions for the smallest files.
- Compress a copy, not your only original.
- For an exact limit like 50 KB, use Resize image.
Good to know
Results are saved as JPG, so transparent areas in PNG images become white. If the file is already small, the tool keeps your original.
Questions and answers
Does compression reduce quality?
A little. The Recommended setting keeps images looking natural in most cases. Use Light if you want the best quality.
What happens to PNG files with a transparent background?
They are saved as JPG, and transparent areas become white.
Are my images uploaded?
No. Compression happens on your device.
Which image types can I use?
JPG, PNG and WebP. Results are saved as JPG.
Your files stay with you
This tool opens and changes your file inside your own browser. Your documents are not uploaded to a server. Keep a copy of your original file, and on a shared computer delete downloaded files when you are done.