Private by default
Every step runs inside your browser. Your photos are never uploaded to a server.
Resize Image to 20 KB
Resize a photo to 20 KB free in your browser: it shrinks the pixels to 600 px so the JPG stays sharp under 20 KB. Batch-ready, no upload.
Runs on this deviceBatch-readyNo sign-up
Processed locally — your files never leave your device.
or drop images here
JPEG, PNG, WebP, AVIF, GIF, SVG, BMP, TIFF, HEIC, ICO, JPEG XL, QOI, Photoshop, RAW photo · processed locallyYour images will be processed on this device.Quick answer
FreeImageKit resizes a photo to 20 KB for free, in your browser, without uploading it. It shrinks the photo to fit inside 600 px on its longest side, then searches for the highest JPG quality that stays at or under 20 KB. Fewer pixels means each pixel gets more data, so the result is smaller on screen but sharper than compressing a large photo to the same size.
How to use this page
- Select one or more photos (JPG, PNG, WebP or HEIC) and choose Run.
- Each photo is fitted inside 600 × 600 px first, then saved as the highest-quality JPG at or under 20 KB.
- Download each image, or all of them as a ZIP, and check the file sizes.
What 20 KB does to a photo
Results of this page's exact settings on our test photos, measured 2026-10-06 in Chrome. Every result stayed at or under 20 KB. Your photos will differ: the more detail a photo has, the lower the quality it needs to fit.
| Original photo | Result | Change |
|---|---|---|
| JPG photo, 1920 × 1080 px, 570.6 KB | 600 × 338 px, 19.8 KB | 97% smaller |
| JPG photo, 987 × 1481 px, 244.1 KB | 400 × 600 px, 19.8 KB | 92% smaller |
| HEIC photo, 1280 × 854 px, 701.3 KB | 600 × 400 px, 19.7 KB | 97% smaller |
| JPG portrait, 820 × 1024 px, 172.4 KB | 480 × 600 px, 19.9 KB | 88% smaller |
Make it yours
Need a different size, format or pixel limit? Open these settings in the workflow editor, change anything, and run your own version. Links carry settings only — never images.
Never over the limit
If a photo cannot reach 20 KB at these settings, you get a message instead of a file that is too large.
Frequently asked questions
What is the difference between resizing and compressing to 20 KB?
Resizing reduces the pixel dimensions (here to 600 px) so quality can stay high; compressing keeps more pixels (up to 1,000 px on Compress Image to 20 KB) and lowers quality. Forms that show a small photo or signature are usually better served by resizing.
My form needs exact dimensions, like 200 × 230 px. What do I do?
Choose Customize and set the exact width and height with Crop to fill, or use Resize Image first, then come back here for the 20 KB limit.
Does 1 KB mean 1,000 or 1,024 bytes here?
1,024 bytes, like most file managers. A few forms count 1 KB as 1,000 bytes, which is about 2% less; for those, choose Customize and set the target a little lower, for example 48 KB instead of 50 KB.
Are my photos uploaded?
No. Resizing and the quality search run in your browser, so the photos never leave your device. It is free, with no sign-up and no watermark.
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