Free · No upload · Automatic target

Compress PDF to 500KB

Need your PDF under 500KB? 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 500KB

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

Target size: 500KB Need a different limit? 300KB · 1MB · 2MB

Done — under 500KB

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How to compress a PDF to 500KB

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 500KB — 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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