Reduce PDF file size instantly by optimizing document structure and images. Fast, private, no upload required.
Click to upload or drag & drop a PDF file here
🟢 Low Compression
🟡 Medium Compression
🔴 High Compression
Original Size—
Compressed Size—
Size Reduced—
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How to Compress a PDF File
1
Upload PDF
Select or drag & drop the PDF file you want to compress.
2
Choose Compression Level
Pick Low, Medium or High compression based on your needs.
3
Download
Click Compress and download your smaller PDF instantly.
Why Use Our PDF Compressor
🔒 100% PrivateFiles never leave your device, processed in-browser.
⚡ InstantNo waiting on server uploads or queues.
🎛️ 3 Compression LevelsBalance size reduction and quality.
🆓 Free & UnlimitedNo signup, no watermark, no limits.
Frequently Asked Questions
Is this PDF Compressor free to use? ▾
Yes, this tool is 100% free with no signup required.
Are my PDF files uploaded to a server? ▾
No. All compression happens locally in your browser. Files never leave your device.
How much can this reduce my file size? ▾
Results vary depending on content. PDFs with large images typically see the biggest reduction.
Will the compressed PDF lose quality? ▾
The tool optimizes PDF structure and removes redundant data while preserving readable quality.