Compress PDF to 20KB Online Free

Get any PDF under 20KB for exam, job and government portals in one click.

How to Compress a PDF to 20KB

  1. Upload your PDF
  2. Click Compress to under 20KB
  3. Download and upload it to your portal

Why use ADPDF to reach 20KB

Frequently asked questions

How do I reduce a PDF to 20KB?

Upload the PDF and click Compress. ADPDF tries lossless compression first, then stronger levels until the file is under 20KB.

What if my PDF stays above 20KB?

Long scanned files may not fit. Split the PDF and keep only the pages the portal needs, then compress again.

Will the text still be readable?

Yes. Stronger levels turn pages into images at a readable quality that most portals accept.

Is my document uploaded anywhere?

No. Compression runs entirely in your browser.