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Welcome to PDF Compressor Support

We're here to help you with any questions or issues you may have with PDF Compressor.

Frequently Asked Questions

How does PDF compression work?

PDF Compressor processes your PDF files entirely on your device. Your files are never uploaded to any server. The compression algorithm optimizes the PDF structure and removes unnecessary data to reduce file size while maintaining quality.

Is my data secure?

Yes, absolutely. All PDF compression happens locally on your device. Your PDF files never leave your device and are never transmitted over the internet or stored on our servers. Your privacy is our top priority.

What file sizes can I compress?

PDF Compressor can handle PDF files of various sizes. The compression ratio depends on the content of your PDF. Text-based PDFs typically compress better than image-heavy PDFs.

How much can I compress my PDF?

Compression results vary depending on your PDF content. Typically, you can expect:

• Text-based PDFs: 20-40% size reduction

• Image-heavy PDFs: 15-30% size reduction

• PDFs with lots of metadata: 30-50% size reduction

Will compression affect PDF quality?

No. PDF Compressor uses lossless compression techniques that maintain the visual quality of your PDF while reducing file size.

Do I need an internet connection?

No. PDF Compressor works completely offline. All compression is performed locally on your device.

How do I manage my subscription?

You can manage your subscription directly through your device's App Store settings:

• iOS: Settings > [Your Name] > Subscriptions

• Android: Google Play Store > Subscriptions

You can also restore purchases or manage your subscription through the app's Settings page.

If you have any questions, issues, or feedback, please contact us:

Email: support@pdfcompressor.com

We typically respond within 24-48 hours.

Technical Support

For technical issues, please include:

• Your device model and operating system version

• App version

• Description of the issue

• Steps to reproduce the problem (if applicable)

Privacy and Terms

For information about how we handle your data, please see our Privacy Policy.

For our terms of service, please see our Terms of Use.

Last Updated: December 2025