Compress PDF Files
Reduce file size using image-based browser compression. Everything is processed locally in your browser for ultimate privacy.
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Frequently Asked Questions
Everything you need to know about compressing PDFs.
No. All optimization happens locally directly inside your browser. We never upload, store, or see your files.
Because we process files securely in your browser without a backend server, we use a lightweight optimization method. We strip unnecessary metadata, rebuild the document structure, and remove invisible embedded objects.
Browser-based compression is fast and secure but has limits compared to heavy cloud processors. If your PDF is mainly made of large scanned images that are already highly optimized, the reduction might be minimal.