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Compress a PDF to 100 KB.

Application portals often cap document uploads at 100 KB. Drop in your PDF and the tool searches for the best quality that fits the limit.

  • Your document is compressed on your device and never uploaded
  • Ask for an exact size like 200 KB and the quality is tuned to fit
  • Built for scans, where most of the weight is images

How it works.

  1. 1Drop your PDF into the box — the 100 KB target is pre-filled.
  2. 2Tap Compress to 100 KB. Pages are optimized on your device; nothing is uploaded.
  3. 3Download the smaller file and check the result card for the exact size.

Frequently asked questions

Can every PDF reach 100 KB?

Short documents almost always can. A very long or extremely detailed PDF may land slightly above even at the strongest setting — the result card always shows the real final size before you download.

Will the text stay selectable?

No — pages are rebuilt as optimized images, so text remains readable but can’t be selected or searched. That trade-off is what makes 100 KB achievable for scanned documents.

Is this safe for certificates and ID scans?

Yes. Compression runs entirely in your browser, so sensitive documents never touch a server.