Compress image by percentage
Use this tool to reduce image file size by a chosen percentage, such as 50%. It is useful when you want predictable reduction instead of a fixed KB value.
Upload your image, set the compression percentage, preview the output, and download it instantly.
All processing starts in your browser, with stateless fallback support for difficult files.
40%
Input file
Select an image to continue.
Output preview
Compressed output will appear here.
FAQ
What does compress by 50% mean?
It means the tool tries to make the output file about 50% smaller than the original file size.
Can I choose any percentage?
Yes. Use the slider from 0% to 100% depending on your quality and size goals.
Will image quality always stay the same?
Compression may reduce visual quality. The tool aims to keep a good balance while reaching your target reduction.