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Founded in 2007, Tenorshare PDNob is trusted by millions to simplify work.
Compress PDF Free
Easily compress a pdf to smaller size without losing quality.
- 100% Free
- Batch & No Limits
- Lossless
1,285,963 files have been successfully compressed for free.
How to Compress PDF Online for Free?
Only 3 steps to compress a pdf to smaller size：
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step 1
Click the “Choose Files” button or drag a file into the drop zone.
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step 2
Click the "Compress" button to start compressing PDF
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step 3
Download and save your smaller file.
Why PDNob Stands Out as Best PDF Compressor
Achieve more with a smarter, and secure PDF compressing tool — without losing quality.
High-Quality Compression
Smartly reduces file size while preserving document quality. Maintains crisp text, clear images, and perfect formatting.
Batch Compress Multiple Files
Process numerous PDFs simultaneously with no limits. Compress entire document collections in one simple operation.
Free PDF Compress Tool
100% free with no hidden costs. Just upload, compress, and download - simple as that. No watermarks, no sign-ups required.
Compress Online, No Software
Reduce PDF file sizes directly in your browser - no installations or downloads required. Works instantly on any device with internet access.
100% Secure & Private
Your files are protected with bank-level encryption. We automatically delete all documents after compression, keeping your data completely confidential.
User-Friendly Interface
Simple and intuitive design for hassle-free conversion, even for beginners.
Need More Than PDF Compressing?
Try PDNob Desktop for Professionals!
This AI-powered PDF editor offers advanced editing, smart annotations,precise OCR scanning, and batch processing, etc —all offline. Ideal for students,professionals, and efficient document management.
FAQ about Compressing PDF Online
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