Free Online PDF Compressor

Reduce PDF file sizes for email sharing and web uploads without compromising text readability.

📉
Select or Drop a PDF File to Compress
Optimizes streams and strips redundant objects locally.

document.pdf

Original Size 0 KB
→
Optimized Size 0 KB
Reduction 0%

Optimizing PDF structure in browser memory...

Client-Side Guarantee: PDF compression runs inside your browser. No files are transferred to external servers.

How to Use the PDF Compressor

  1. Upload your PDF file to the compressor.
  2. Select your preferred compression balance.
  3. Click 'Compress PDF' and review the file size reduction.
  4. Download your optimized PDF file.

Key Features

✓ Client-side stream compression and redundant object removal
✓ Calculates exact size savings and percentage reduction
✓ Keeps formatting, fonts, and layouts crisp
✓ Completely private with zero server uploads

About PDF Compressor

Optimize large PDF files by repacking internal streams, stripping redundant metadata, and compressing embedded imagery directly in your browser without sacrificing document legibility.

Frequently Asked Questions

Will my PDF text remain sharp after compression?

Yes, vector fonts and document layout trees remain intact; optimization focuses on embedded bitmap downsampling and structural stream compression.

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