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PDF Compressor

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Maximum file size: 50MB

About Secure PDF Size Compressor

PDF files generated by scanners or design software are often bloated with unnecessary metadata and massive, unoptimized images. This makes them impossible to send via email or upload to government and school portals. Our tool safely strips away the bloat and compresses the internal images, dramatically reducing the file size without ruining readability.

  • 100% secure, in-browser processing—your sensitive documents are never uploaded to a server
  • Intelligently removes useless metadata and restructures internal PDF objects
  • Maintains text crispness and formatting while shrinking file weight
  • Perfect for bypassing strict 2MB or 5MB email attachment limits

🔒 All calculations are performed locally on your device. No data is sent to any server.

❓ Frequently Asked Questions

How much can this tool compress a PDF?▾
Results vary depending on the content. PDFs with embedded high-resolution images can often be reduced by 50-80%. Text-heavy PDFs with minimal images may see smaller reductions (10-30%), since the text itself is already efficient.
Will the quality of my PDF be reduced?▾
Our compressor is designed to intelligently reduce file size while maintaining document readability. It focuses on stripping metadata and recompressing internal images rather than degrading text quality.
Is my document uploaded to a server?▾
No. The entire compression process happens locally in your web browser using JavaScript. Your PDF never leaves your device, making it completely safe for sensitive documents like tax returns, contracts, or transcripts.

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