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Browser-based image tool

Compress Image to Target KB

Enter a maximum size, let your browser test encodes, and see whether the target is feasible.

Source preview
Source image preview

Choose an image to begin

New result
Generated image preview

No export yet

Settings
Select images to begin.
Privacy: Processing and file downloads stay inside your browser. There is no upload endpoint for this tool. Browser memory limits still apply.
How to use Compress Image to Target KB
  1. Choose the supported source image from your device.
  2. Adjust the controls and review the original preview.
  3. Select Process locally, review the result and download the output.
What to expect
Find a JPEG or WebP export that fits your KB target when quality-only encoding permits. Enter a maximum size, let your browser test encodes, and see whether the target is feasible.
Limitations and image privacy
Does not silently shrink dimensions. Reports a limitation if it cannot reach your chosen target.
Each file is capped at 20 MB and 30 million decoded pixels. Multiple files are processed sequentially to limit CPU and memory demands. Files are processed locally; nothing is transmitted to the image-processing server. Generated copies can differ from the original and original files remain on your device.
Explore all working image tools, or see supported image formats.