1
Upload a PDF file
Select or drag in the PDF you want to compress. Use a document you are allowed to process and share.
- Only PDF files are accepted
- Compression results depend on the original file
Compress PDF Online
Compress PDF files online and reduce PDF size. Upload a PDF, start compression, and download a smaller file — perfect for email attachments, file sharing, and saving storage space. Free and no signup required.
Reduce PDF file size quickly without losing quality. Our free PDF Compressor optimizes your documents so they are easier to share via email or upload to web portals.
No installation
Fast processing
Browser friendly
Privacy-aware
Features
Compress PDF files to reduce file size
Upload a PDF and get a smaller version back
No software install or signup required — works in your browser
Compare file sizes before and after compression
Free to use
How It Works
2
Start compression
Click Compress PDF to begin processing. The file is handled through the existing browser/server workflow used by the tool.
3
Wait for the file to process
The progress indicator shows compression status. Processing time depends on file size and document complexity.
4
Download the compressed PDF if available
If compression returns a processed file, save it and check that the document still looks right before sharing it.
- Keep the original file if you need an uncompressed copy
Common Use Cases
Email attachments
Reduce PDF file size when possible before sending documents through email.
Website uploads
Compress PDFs before uploading to portals or forms that prefer smaller files.
Everyday sharing
Make large PDF documents easier to share when the file can be compressed.
Tips & Best Practices
Results vary by file
Image-heavy PDFs usually compress more than text-only or already optimized PDFs.
Check the output
Review the compressed PDF before sending or uploading it, especially if the original contains detailed images.
Use the right PDF tool
Use related tools for merging, splitting, converting, or summarizing PDFs so this page stays focused on reducing file size.
PDF Compressor
Why compress PDF files?
Many government portals, email clients, and application forms have strict file size limits (often under 2MB). Our compressor helps you bypass these restrictions by significantly shrinking your PDF.
Features
- Smart compression algorithm
- 100% Secure & Private
- No registration required
- Works instantly in the browser
Frequently Asked Questions
Will compressing my PDF ruin the quality?
No. Our smart compression algorithm reduces the file size by optimizing fonts and images without making the document unreadable.
Is it safe to compress sensitive documents here?
Yes. All file processing is done securely. We do not store or read your documents.