Optimize PDF Files Online

Rewrite PDF structure and remove metadata where possible. Some files may already be optimized and may not become smaller.

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How PDF Optimization Works

  1. 1.Upload the PDF file you want to optimize.
  2. 2.Choose an optimization level. Higher levels may remove annotations.
  3. 3.Download the rewritten PDF and compare the file size.

What to Expect

  • - Best results - PDFs with removable metadata or inefficient structure
  • - Limited results - PDFs dominated by already-compressed images
  • - Browser-based - Processing happens locally for this basic tool
  • - Quality - This tool does not recompress embedded images

Frequently Asked Questions

How much can I reduce my PDF file size?
Results vary depending on the PDF content. Files with removable metadata or inefficient structure may see significant reductions. PDFs that are already optimized or image-heavy may see little change.
Will compressing a PDF reduce image quality?
No, this tool rewrites the PDF structure and removes metadata. It does not recompress embedded images, so visual quality remains the same.
Why did my PDF not get smaller?
Some PDFs are already well-optimized. If the file is mostly compressed images, there is little metadata or structure to remove. The tool works best on PDFs created by office software or document scanners.
Is my PDF processed securely?
Yes, all optimization happens in your browser. Your file is never uploaded to any server.
Can I compress password-protected PDFs?
If the PDF requires a password to open, you will need to remove the password first. PDFs with editing restrictions may have limited optimization results.