Compress PDF Online

3 steps to reduce PDF file size without losing quality by WorkinTool PDF Compress Online for Free.

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Only supports uploading and compressing 1 file at a time within 2 MB.

Select file or drop file here

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Reduce PDF Size Without Losing Quality on WorkinTool File Compressor Desktop

PDF compressor, one of the compression features of WorkinTool File Compressor, can achieve easier compression while keeping the original file quality. It provides three compression modes and supports batch compression. You can directly upload a file folder to compress more files at a time, 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.

Free Download For Win 11/10/8/7

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.