01
How to use it
- Enter or paste the information you want to work with.
- Run the tool and review the result shown on the page.
- Verify important results before sharing them or using them in a decision.
Compress PDF
Reduce PDF file size while maintaining quality. Free online PDF compressor for smaller files.
Upload PDF Files
Drag and drop PDF files here. You can compress up to 10 files at once.
Max files: 10
About This Tool
Compress PDF reduces the file size of your PDF documents while maintaining acceptable quality. This is essential for email attachments, web uploads, or saving storage space.
The tool offers multiple compression levels to balance between file size reduction and quality preservation. You can choose aggressive compression for maximum size reduction or light compression to maintain higher quality.
All compression happens in your browser, ensuring your documents never leave your device.
How to Use
Upload Your PDF
Drag and drop your PDF file or click to select the document you want to compress.
Choose Compression Level
Select your preferred compression level: Low (best quality), Medium (balanced), or High (smallest size).
Compress and Download
Click Compress to reduce the file size, then download your optimized PDF.
Use Cases
Email Attachments
Reduce PDF size to meet email attachment limits and ensure faster delivery.
Web Publishing
Optimize PDFs for web download to improve page load times and user experience.
Storage Optimization
Compress archived documents to save disk space while maintaining accessibility.
Frequently Asked Questions
How much can I reduce the file size?
Compression results vary based on the PDF content. Image-heavy PDFs can often be reduced by 50-80%, while text-only PDFs may see smaller reductions.
Will compression affect text quality?
Text remains sharp and readable at all compression levels. Only images and graphics are affected by compression.
Can I compress multiple PDFs at once?
Yes, you can upload and compress up to 10 PDF files simultaneously.
You May Also Like
PDF Tools
About Compress PDF
Compress PDF files online for free. Reduce PDF file size in your browser to make documents easier to email, upload, and share. Check the input, units, and output against your use case before relying on a result.
02
Frequently asked questions
What does Compress PDF do?
Compress PDF files online for free. Reduce PDF file size in your browser to make documents easier to email, upload, and share.
Do I need an account?
No. XFreeTool provides free browser-based tools with direct access.
Can I use sensitive information?
Check how the current tool processes data first, and do not submit sensitive, confidential, or regulated information when you are unsure.
03
Workflow and file checks
After selecting files, use the on-page action to merge, split, convert, compress, or organize them. Before sharing an export, check page order, page count, orientation, readable text, and final file size.
Example check: test the workflow with a two- or three-page copy first. Once the output is correct, process the full document and keep the original file.