Compress PDF Online: Fast In‑Browser Size Reduction
- Uploads? None—local only.
- Quality loss? Only for image recompression at higher levels.
- Passwords? Encrypted PDFs not supported yet.
- Batch? Use your OS file system—one at a time here.
All compression happens locally in your browser. No files uploaded to servers.
Real-time usage data for this month
Reduce the file size of your PDF documents. Choose your desired compression level. Note: This tool primarily optimizes PDF structure; for files large due to unoptimized images, further significant reduction may require image pre-processing.
Or drag and drop your PDF file here.