PDF tool

Compress PDF

Reduce PDF file size for easy sharing and uploading.

PrivConvert
Privacy-first conversion
No files stored
In-memory processing
Deleted instantly
No sign-up needed

Complete the security check to begin

Smaller PDFs, same content

Large PDF files can be hard to share via email or upload to websites. Our compressor optimizes the internal structure of your PDF to reduce its size while maintaining readability.

  • Email-friendly - get under attachment size limits
  • Optimized streams - re-encodes internal data for efficiency
  • Preserves text - no quality loss on text and vector content

Why Choose PrivConvert?

Unlike other online converters that upload your files to remote servers, store them for days, and may use them for AI training or sell your data, PrivConvert was built with privacy as the foundation. Here's what makes us different:

Zero data retention

Files are processed in volatile memory (RAM) and immediately purged. Nothing is ever written to disk or backed up.

Encrypted transfers

All uploads and downloads are encrypted with TLS 1.3. Your files cannot be intercepted in transit.

No account required

Use any tool instantly without signing up, providing an email, or creating a profile. No tracking cookies, no user profiling.

Works on any device

Compatible with Windows, macOS, Linux, iOS, and Android. No plugins or desktop software needed - just a modern web browser.

Trusted by Thousands of Users

PrivConvert processes thousands of file conversions every day. Our commitment to privacy and security has made us the go-to choice for professionals, developers, and privacy-conscious users worldwide.

250 MB Max file size
200+ Conversion tools
0 sec File retention
100% Free to use

Frequently Asked Questions

How much smaller will my PDF be?
Typical reduction is 30-70% depending on the content. Image-heavy PDFs see the biggest savings.
Will compression reduce the quality?
Text and vector graphics remain perfect. Images may be slightly optimized but remain visually crisp.
Is there a file size limit?
You can upload PDFs up to 250 MB. Most compressed outputs are well under email attachment limits.
Is this tool really free?
Yes, completely free with no hidden fees, no watermarks, and no sign-up required. You can convert as many files as you need.
Are my files private and secure?
Absolutely. Every conversion runs in an isolated, in-memory process. Your files never touch the disk, are never stored or shared, and are deleted from memory the moment your download is ready.