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View FAX Files Online

Use this free tool to view your FAX (Group 3 FAX) files online without needing to download or install any software. Our FAX viewer tool will render your file within the browser with the ability to view full screen if needed.

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How to View your FAX File Online?

Here are two simple steps to display your FAX file in any web browser.

Upload an FAX

Click the "Upload a File" button and select an FAX to upload. The maximum file size is 100MB.

View your FAX

Once processed, your FAX file will be displayed in the web browser.

File Format Information for FAX

Full NameGroup 3 FAX
Mime Typeapplication/octet-stream
ToolsFAX Converters, Create Cookie Cutter, FAX Viewer


The FAX file format introduced in the 1990's is a raster image file format intended to store digital versions of documents used by Fax (facsimile) machines that were popular at the time.

Although Fax machines have been slowly replaced since then by internet based communications such as Email and Instant Messaging the FAX file format is still used for certain applications and the files can be edited within some 3rd party applications.

FAX Features

  • Supports Lossy Compression
  • Supports Non Lossy Compression
  • Supports Transparency
  • Supports Color Palettes
  • Supports Monochrome (1-Bit)
  • Supports 16 Colors (4-Bit)
  • Supports 256 Colors (8-Bit)
  • Supports 16 Million Colors (24-Bit)

Frequently Asked Questions

How can I view my FAX file online?

First, click the "Upload..." button and select the FAX file you wish to view. Once your FAX file has been received it will be displayed in your browser.

How long does it take to view my FAX file?

We aim to process all FAX file viewing requests as quickly as possible, this usually takes around 5 seconds but can be more for larger or more complex files so please be patient.

How accurate is the FAX file viewer?

We aim to create the most accurate rendition of your FAX file with our tools. Our tools are under constant development with new features and improvements being added every week.

Is it safe to view my FAX file on ImageToStl.com?

Yes, of course! We do not store the FAX file you submit. The generated preview file within your browser is deleted after 15 minutes,

Can I view my FAX file on Windows, Linux, Android, iOS or Mac OS?

Yes! Our FAX file viewer will run on any system with a modern web browser. No specialist software is needed to use our file viewing tools.

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