To compress a PDF to under 100 KB, use an in-browser PDF compressor and set the target size. It re-encodes images and strips waste to fit the limit while keeping the text readable.

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Compress a PDF to 100 KBPick the exact target size, compress, and download — nothing is uploaded.
Open the tool →

Who needs this

  • Forms that cap the PDF upload at 100 KB
  • Emailing a small scanned document
  • Portals that reject larger PDFs

How to do it

  1. Open the compress-to-size tool.
  2. Add your photo — it opens only in your browser.
  3. Set the target to compress pdf to 100kb and compress.
  4. Download it and upload it to your form.

Why "reduce quality" isn't enough

Dragging a quality slider is guesswork — you export, check the size, and it's still over the limit. A size-based tool aims at the number instead, so it fits on the first try and stays as clear as the limit allows.