Compress PDF to 100KB Online — Free

Need a PDF under 100KB for a government form, visa application, or a portal that rejects anything larger? Confileo shrinks your PDF as far as it will go while keeping the text readable — directly in your browser, with no watermark and no account required.

We pre-select the strongest compression level for you, so all you have to do is drop your file and download the result. Most text-based PDFs and scanned single pages comfortably reach the 100KB range.

Compress your PDF to 100KB now

Drop your PDF file here or click to browseMaximum file size: 100MB

How to compress a PDF to 100KB

  1. Drop your PDF into the box below (or click to browse). Files up to 100MB are supported.
  2. The strongest "High" compression is already selected to push the size as low as possible.
  3. Click Compress and wait a few seconds while we optimise images and fonts.
  4. Download your smaller PDF. If it is still over 100KB, try splitting it into fewer pages first.

Why use Confileo for tiny PDFs

  • Maximum compression preset — no settings to guess.
  • No watermark and no "upgrade to download" wall.
  • Files are processed securely and deleted automatically.
  • Works on phone, tablet and desktop — no app to install.

Compress PDF to 100KB — FAQ