Utilumo
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Compress Image to Size

Set a KB or MB target, compress locally, preview the result, and download. No upload, no signup.

Compress image to size

Compress one JPG, PNG, WebP, or AVIF toward an exact KB or MB target in this browser.

Accepts:
JPGPNGWebPAVIF

Output JPG, WebP, or PNG ยท Processed locally in this browser tab

Files are processed in your browser. No data is uploaded.

Questions

What is target image compression?

Target image compression means reducing an image toward a specific KB or MB limit for uploads, forms, or marketplaces.

Can it guarantee the exact file size?

No browser encoder can guarantee every exact byte target. The tool tries quality steps and reports whether the output is under the target.

Which format should I use for the smallest result?

For photos, JPG or WebP usually gets smaller than PNG. For screenshots with sharp text, test WebP first and compare the preview.

Does Compress Image to Size upload my file?

No. The image is decoded and exported locally in your browser tab.

Does Utilumo upload my input?

No. This tool is designed for local browser processing and does not send your input to a server.

Do I need an account?

No. Utilumo tools are built to work without accounts or sign-in.