Free · No upload · Automatic target

Compress PDF to 50KB

Need your PDF under 50KB? Drop it below — PDFBison automatically adjusts compression until your file hits the target, entirely in your browser. Nothing is uploaded.

0 bytes uploaded · processing happens on your device

Drop your PDF here

One PDF file · target size 50KB

No sign-up. No watermark. Your file never leaves this device.

Target size: 50KB Need a different limit? 20KB · 100KB · 200KB

Done — under 50KB

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Compress another file

How to compress a PDF to 50KB

Step 1

Add your PDF

Drop the file into the box above or tap Select PDF. Scanned documents, forms, and certificates all work.

Step 2

Let the target do the work

Press Compress. PDFBison tests progressively stronger settings and stops as soon as your file fits under 50KB — no manual quality guessing.

Step 3

Check and download

You see the before and after sizes instantly. Preview the result, then submit it to your portal or attach it to your email.

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