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Reduce Image Size to 100KB

Shrink any photo to exactly 100KB, 50KB or 200KB — free, in your browser, nothing uploaded. JPG, PNG and WebP.

Your photo
Drag your photo here, or click to browse JPG, PNG or WebP · up to 30 MB · your photo never leaves your browser

No photo handy? to see the compressor in action.

How to reduce an image to 100KB

  1. Upload your photo — drag it in or click to browse. It stays on your device; nothing is uploaded to any server.
  2. Pick a target size — 100KB is selected by default. Choose 50KB for tight forms, 200KB for better quality, or type any custom size.
  3. Download the result — the tool finds the highest quality that still fits your target size, then hands you the file, ready to upload to your form.
Exact KB targetsJPG · PNG · WebP100% privateNo signup

Frequently asked questions

How do I reduce an image to 100KB?

Upload your photo above, keep the 100 KB target selected, and download the result. The tool re-encodes your photo at the highest quality that still fits under 100KB, shrinking the dimensions only if quality alone cannot reach the target.

How can I compress a JPEG to less than 100KB?

Select the 100 KB target (or type a smaller custom size) and keep JPEG selected. JPEG compression removes fine detail the eye barely notices, which is why a 2 MB phone photo can usually drop below 100KB and still look sharp on screen.

How do I reduce JPG size to 50KB?

Tap the 50 KB preset before downloading. For a 50KB target the tool uses a lower quality setting and, for very large photos, smaller dimensions as well. If the result looks soft, try the 100 KB preset instead — many forms accept anything under 200KB.

What is the size of a 100KB photo?

100KB is a file size, not a fixed dimension: a typical 100KB JPEG is around 800 by 600 pixels at good quality, but a detailed photo may be smaller and a simple graphic may be larger. What matters for forms is the file size in KB, which this tool shows you exactly.

Will compressing to 100KB reduce quality?

A little, yes — that is the trade-off for a smaller file. This tool keeps the loss as small as possible by testing many quality levels and keeping the best one that fits your target. WebP usually keeps slightly more detail than JPEG at the same file size.

Is my photo private? Is anything uploaded?

Yes. All compression happens in your browser with JavaScript, and your photo is never sent to a server. That makes the tool safe for ID photos, documents and personal pictures, and it works the same way offline once the page has loaded.

Free forever · No signup · No watermark · Your photos never leave your browser.

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