PDF Size Compress - File compression tool

Compress PDF files to get the same PDF quality but smaller file size. Compress and optimize PDF files online easily and for free.

We have compressed ---,---,--- files, total size 39,994

100% free!

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Step 1 - Upload files

Drag and drop files here. Maximum file size is 100MB.

Step 2 - Select File Compression Quality

Step 3 - Click Compress

Click the Start Compression button and it will be completed automatically after a few seconds.

Compressing...

Compress and download all files to ZIP

get itDownload zip file (.ZIP)
Don't forget to download your files. They will be automatically discarded after 60 minutes.

Best Free Online PDF Compressors

How to use an online PDF compressor, what do I do?

Here are the advantages of online PDF compressor tools:

1: Free to use, multiple PDFs are compressed simultaneously, and there is no file size limit.
2: Simple and easy to use, just upload your PDF file and wait a few seconds for the compression to complete.
3: Preserve the quality and format of the original file.
4: Suitable for various situations, such as sending emails, sharing or storing PDF files.

How to compress PDF file size?

To compress a PDF, follow these steps:

1: Upload or drag and drop your PDF file onto this page.
2: Choose the compression level that best suits your needs.
3: Click the Start Compression button and PDF compression will be completed automatically in a few seconds.
4: Click Download to save the compressed PDF.

Some common PDF compression issues

Q:Can I use this PDF compression tool for free?

A:Yes! 100% free, including all our file compression tools, are free to use.

Q:Will PDF compressor protect my privacy?

A:Yes. We take the privacy of our user files very seriously. The system will automatically delete it within 1 hour. There will be no backups and no files will be made public. You can also delete files yourself.

Q:Do I need a paid account to compress files?

A:There is absolutely no need to register as it is completely free.

Q:Are PDF compression tools safe to use?

A:At Online-Compressor.Com we are committed to safety and security. We comply with GDPR, undergo annual audits for ISO/IEC certification, and employ advanced TLS encryption, which means your data, personal information and documents are safe with us. Additionally, every time you perform a task, such as compressing files, the entire process is fully encrypted for complete security.