Compress Image to 20KB
Reduce an image to 20KB for signature fields, small icons and restrictive forms.
KB
Drop an image here or click to choose
processed on your device — never uploaded
A 20KB limit shows up a lot in online application forms — especially signature and photo fields on exam and government websites that reject anything larger. Drop your file here and it's compressed to fit, right on your device.
Because nothing is uploaded, it's safe for scanned signatures and personal documents.
More sizes & options
- Compress Image — all options
- Compress Image to 10KB
- Compress Image to 50KB
- Compress Image to 100KB
- Compress Image to 150KB
- Compress Image to 200KB
- Compress Image to 500KB
- Compress Image to 1MB
- Compress JPEG to 100KB
- Compress Image for a Visa Application
- Compress Photo for a Passport Application
- Compress Image to 30KB
- Compress Image to 300KB
- Compress Image to 2MB
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Frequently asked questions
- Is 20KB enough for a signature scan?
- Yes — signatures are simple black-on-white images that compress very well, so 20KB usually keeps them perfectly readable.
- Does it work on my phone?
- Yes. It runs in the mobile browser, so you can shrink a photo to 20KB straight from your phone with no app.
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🔒 Your files never leave your device. This tool runs entirely in your browser — nothing is uploaded.