PDF Compressor
Reduce PDF file size right in your browser. Pick a compression level and download instantly — nothing is uploaded.
Key Features
Multiple Compression Levels
Choose from low, medium, or high quality compression to balance file size reduction with visual quality.
100% Privacy
All processing happens in your browser. Your PDFs never leave your device and are not uploaded to any server.
Metadata Removal
Automatically removes document metadata like author, title, and creation date to reduce file size.
Instant Download
Get your compressed PDF immediately after processing. No waiting, no email required.
How It Works
- 1
Upload Your PDF
Drag and drop your PDF file or click to browse and select it from your device.
- 2
Choose Quality Level
Select your preferred compression quality: low for maximum compression, medium for balanced results, or high for minimal compression.
- 3
Compress
Click the compress button and watch as the tool optimizes your PDF by removing metadata and optimizing content.
- 4
Download
Download your compressed PDF instantly. See exactly how much space you saved with the compression percentage.
Frequently Asked Questions
Is my PDF safe and private?
Yes, absolutely! All PDF processing happens entirely in your web browser. Your files are never uploaded to our servers or any third party. Your documents remain completely private and secure on your device.
How much can I reduce the file size?
The compression ratio varies depending on the original PDF content. PDFs with metadata and unoptimized content can see reductions of 20-60%. The actual savings depend on your chosen quality level and the original file structure.
What's the difference between quality levels?
Low quality provides maximum compression but may affect visual appearance. Medium quality offers a balanced approach with good compression and maintained quality. High quality minimally compresses the file while preserving all visual details.
Is there a file size limit?
Since processing happens in your browser, the limit depends on your device's memory. Most modern devices can handle PDFs up to 100MB. Larger files may take longer to process or may not work on devices with limited memory.
Will compression affect PDF quality?
The compression primarily removes metadata and optimizes the file structure. Visual quality should remain largely unchanged, especially with medium and high quality settings. Low quality may show minor differences in some cases.
Can I compress password-protected PDFs?
The tool will attempt to process encrypted PDFs, but success depends on the encryption type. Some password-protected PDFs may not compress properly. For best results, remove password protection before compressing.
Perfect For
Email Attachments
Reduce PDF size to meet email attachment limits and send files faster.
Cloud Storage
Save valuable cloud storage space by compressing PDFs before uploading.
Web Publishing
Optimize PDFs for faster loading times on websites and web applications.
Your Privacy is Protected
This tool runs entirely in your browser using JavaScript. Your data is never uploaded to our servers or any third-party service. Everything happens instantly on your device.
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