Compress PDF
Reduce PDF size with Basic, Balanced, or Strong compression.
- Secure processing
- No signup
Optimize
Compress to Target Size
Upload a PDF and pick a target size preset. The file is compressed on a secure processing and compared against your KB goal so you can hit email or upload limits.
Private upload
Temporary private storage
Clear progress
Real stages, no fake percent
Honest output
Limits and warnings included
PDF
Isolated server processing
PDF output
50 MB max
How it works
- 1
Upload
Choose and validate your file
- 2
Process
Review options and run the tool
- 3
Download
Check the result and save it
Keep working
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Helpful answers
Is Compress PDF to 100KB / 200KB / 500KB free?
Yes. It is free to use and you do not need to sign in or create an account.
Is my data private?
See the privacy note on this page. Many tools run on your device; some heavier file tools may use secure temporary processing when required.
Can I use Compress PDF to 100KB / 200KB / 500KB on mobile?
Yes. Open this page on your phone or tablet, enter your inputs, and use the on-screen controls.