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Compress PDF Online
3 steps to reduce PDF file size without losing quality by WorkinTool PDF Compress Online for Free.
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Reduce PDF File Size without Losing Quality on WorkinTool PDF Converter Desktop.
PDF compression, the superiority of WorkinTool PDF converter, can achieve easier shareability while optimizing for maximal PDF quality. It supports easy compression of single or batch of PDF files in seconds. Both normal and extreme reduced documents are very small. It can greatly reduce the burden of internal memory and the pressure of transmitting documents.
Desktop Version Basic Features
Easy to use
The compression process is fast with less operation steps and better quality.
Good outcome
Compared with other PDF compression software on the market, no matter what kind of compression mode in WorkinTool you choose, the final result is at the upper.
Unlimited Times
You have sufficient chances to practice how to compress PDF documents and try other functions of WorkinTool.
Security guaranteed
No advertising window will pop up to interrupt you. No one has access to your files and privacy is 100% guaranteed.
Perfect for Any Industry
Upload, download and share PDF files
Large file size will hinder the running speed of the computer. It needs to be reduced in size for easy storage and transmission.
For daily work and commercial intercourse
You can carry these compressed files anytime, anywhere without worrying about space constraints, because they take up very little disk space.
For handling public affairs
Many official documents will require PDF format. When uploading PDF files, the website system prompts that the files are too large to be uploaded successfully. You need to compress the file.
Desktop Software VS Online Tool
Desktop Software
Free Download For Win 11/10/8/7
Data privacy and information security are ensured
Faster conversion speed and better quality outcome
No ads involved
Traceable conversion records
Online Tool
Explore Now
No need to download, operate everywhere with Internet
Stable conversion speed and outstanding exporting quality
No backup for uploaded files, security is guaranteed
All popular office formats are supported to convert
Only four files at a time to convert
The maximum size of each uploaded file is 0.5 MB
How to Compress a PDF File Offline 
(Desktop Version)
0
First Step
Click the“Tool Box” button and select“Compress PDF".
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Second Step
Upload your files.
0
Third Step
Choose normal or extreme compression and convert.
0
First Step
0
Second Step
0
Third Step
Click the“Tool Box” button and select“Compress PDF".
What's new in Version 2.4.0.0?
Added support for multiple languages, including French, German, Spanish, Italian, Japanese, Korean, Portuguese, Russian, Polish, Simplified Chinese, Traditional Chinese, and more.
Enhanced the quality of PDF to Word (OCR) conversion.
Fixed several bugs.
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Download our tool for FREE now and get started with free trial to enjoy PDF compression and more.
Free Download For Win 11/10/8/7