Compress PDF file online
Reduce the file size of your PDF document without uploading it to external servers.
Select a PDF file to compress
Drop your document here
How to compress PDF files online?
1. Select your PDF file
Drag & drop your document or choose it from your device. The file never leaves your computer.
2. Click Compress PDF
Our engine cleans redundant metadata, deduplicates font streams, and compacts object tables locally in RAM.
3. Download reduced file
Save your compressed PDF with smaller disk size while preserving sharp text and vector graphics.
True Privacy & GDPR
Your files are never transmitted to any server. Computation occurs entirely in your device RAM.
Blazing Fast Performance
No server queues and zero waiting for upload. Processing begins immediately as soon as you select a file.
Free Without Signups
All tools are 100% free with no daily caps and no subscription paywalls.
Frequently Asked Questions
Are my confidential documents uploaded to any server?
No. PrivFile operates 100% in your browser. Zero bytes are uploaded to remote servers, making it compliant with strict GDPR and corporate confidentiality requirements.
How much can the PDF file size be reduced?
Depending on the internal structure of your document, size reduction typically ranges from 20% to over 70% without compromising text or vector sharpness.
Is there a limit on how many PDFs I can compress?
No! PrivFile is completely free and unlimited. You can compress as many files as you need with no subscriptions or paywalls.
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