PDF Compressor
Reduce PDF file size without losing quality. 100% client-side processing - your files never leave your computer.
Drag & Drop your PDF files here or click to upload
Compression Settings
Compression Mode
Compression Level
Low Compression
Smaller size reduction, best quality
Medium Compression
Balanced size and quality
High Compression
Maximum size reduction
Target File Size
Minimum possible size: --
Enter your desired file size to compress to
Advanced Options
Compressing PDF...
Compression Results
Original Size
Compressed Size
About PDF Compressor
Our PDF Compressor is a free online tool that allows you to reduce the file size of your PDF documents without compromising on quality. Whether you need to compress PDFs for email attachments, website uploads, or storage optimization, our tool makes the process simple and efficient.
Developed by Combo SEO Tools, this tool prioritizes your privacy and security. All compression happens directly in your browser - no files are uploaded to any server, ensuring your sensitive documents remain completely private.
How to Compress PDF Files
Upload Your PDF
Drag and drop your PDF file into the upload area or click to browse your files.
Choose Compression Mode
Select between automatic compression levels or specify a custom target file size.
Adjust Settings
Select compression level or enter custom size, and choose advanced options.
Compress PDF
Click the "Compress PDF" button and wait for the process to complete.
Download Compressed PDF
Download your compressed PDF with reduced file size.
Why Compress PDF Files?
Faster Uploads & Downloads
Smaller PDF files upload and download faster, saving time and bandwidth.
Email Attachments
Many email services have file size limits. Compressed PDFs ensure your attachments are delivered.
Website Optimization
Smaller PDFs load faster on websites, improving user experience and SEO.
Storage Efficiency
Reduce storage space requirements for your PDF documents and archives.
Frequently Asked Questions
Yes, our PDF Compressor is completely free to use with no hidden charges or limitations.
Absolutely. All compression happens directly in your browser. Your PDF files are never uploaded to any server, ensuring complete privacy and security.
Our compression algorithm is designed to minimize quality loss. You can choose different compression levels to balance file size and quality according to your needs.
You can compress PDF files up to 50MB in size. For larger files, we recommend splitting the document or using our advanced compression service.
The compression ratio depends on the content of your PDF. Image-heavy documents can often be reduced by 50-80%, while text-based documents typically see 20-40% reduction.
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