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Compress an image to 20 KB
Reduce JPG, PNG, WebP or HEIC photos to under 20 KB without uploading. Strict cap used by many government and exam portals. Keep pixel size modest (≤ 600 px on the long side) and use JPG.
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Strict cap used by many government and exam portals. Keep pixel size modest (≤ 600 px on the long side) and use JPG. The encoder binary-searches the JPEG/WebP quality to fit just under 20 KB while keeping the image as sharp as possible.
FAQ
Is 20 KB enough quality for a passport photo?
It's tight. The pixel resolution will need to stay around 600×600 or smaller for the face to remain recognisable.
Why is the output still above 20 KB?
If the source resolution is very high, the encoder cannot reach the target without progressive downscaling. Reduce the pixel size or switch to WebP.
Does it work with iPhone HEIC files?
Yes, HEIC is converted to JPEG locally before compression.
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