Resize Image to 500KB

Set a 500 KB ceiling and add an image; the page re-encodes it in your browser and keeps stepping quality and dimensions down until the file fits inside 500 KB. Because both are search variables, detail is preserved for as long as the budget allows instead of being thrown away at a fixed setting.

Upload an image to bring under 500 KB
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Resize to 500 KB

KB
500 KB
85%
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Frequently Asked Questions About Resize Image to 500KB

Is 500 KB enough to keep a full-page scan legible?

For most A4 pages, yes. Text stays readable at roughly 1000 × 1400 px, which fits inside 500 KB at a moderate quality setting, so there is usually no need to compress further.

Why is the result still not exactly 500 KB?

Encoders trade quality against bytes, so the output lands at or just under the 500 KB target rather than on it to the byte. Tighten or loosen the setting and run again until the size fits.

How much of the 500 KB budget goes to dimensions and how much to quality?

The page tries the largest clean frame that still fits first, then lowers quality only when size alone cannot reach 500 KB. Check the reported output size before you publish.

Will my original file be changed?

The result is downloaded as a separate file. Keep your original until you have checked the image at or under 500 KB.

What should I check before using the result?

Open the image at or under 500 KB in the application that consumes it and spot-check the parts that matter to you; the original file stays untouched if you need to re-run with different options.

About this workflow

When 500 KB is the real limit

Supporting-document uploads, tender and procurement portals, and full-page passport submissions are where a 500 KB limit tends to appear. At this size the constraint is mostly the frame rather than the encoding, so the page can hold a high quality setting and still land inside the cap.

Before downloading the result

Open the image at or under 500 KB next to the original at full size and check text edges, faces, and flat backgrounds; re-encoding softens detail long before it looks wrong in a thumbnail.