A little smaller. A lot more possible.

Compress PDF to 300KB

Reduce PDF file size toward 300KB locally in your browser, with quality choices and an honest size check after compression.

  1. Select PDF
  2. Compress
  3. Download
On-device processing

Drop your PDF here

or choose a file from your device

PDF only · Up to 200 MB per file

More PDFs. One workflow.

Up to 50 PDFs · Individual or ZIP downloads

Your PDF stays on your device. No document uploads.

Compression level

Target is best effort; stronger compression may be used.

Image quality may change. Digital signatures can become invalid. Keep your original.

No file uploadsFree: 5 downloads per UTC dayPro coming soon ↗

Keep your PDF private

Compression happens on your device. Your PDF is never uploaded to our servers.

Choose your compression

Three compression levels let you choose between image detail and a smaller file.

Check the result first

See the actual file size and whether it meets your target before downloading.

Less file. Less friction.

01

Choose your PDF

Select a file from your device or drag it into the box above.

02

Make it smaller

Choose a compression level. Add a target size if you need one.

03

Download and go

Check the result, then save the smaller PDF to your device.

Before you compress

A 300 KB limit can suit short forms. Compare the smaller and better-quality settings before choosing a result.

Already optimized PDFs may not get smaller. Always check image clarity and keep your original file.

Big plans. Small attachments.

Start with a target. We’ll tell you whether your PDF can meet it.

All compression options

PDF compression FAQs

Common questions about file size, quality and privacy.