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Probably best to ask whoever sent them to you; they will know what generated them and how to open them. &nbsp;Our very best guess is not as good as &quot;I generated this with FooBar using data from Sly Report Collector.&quot;
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Technology and Business Process Advisor

Lee W, MVP

masnrock

System Engineer/Software Engineer

Christopher Schene

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It turns out that Fiddler opens and interprets the har files
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I was sent several files with a .har and .firefox suffix and I need to know which applications open these files.<br />
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A customer sent me these to show browser traffic.
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I was sent several files with a .har and .firefox suffix and I need to know which applications open these files.

A customer sent me these to show browser traffic.

Which applications open files with .har and .firefox suffixes?

Chrome is a free web browser created by Google. Originally released in 2008, it has grown to become the most used desktop web browser (as of October 2016).

Chrome

Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio waves that enable their users to communicate, share information and interact over distances. Often associated are issues regarding operating systems, hardware and equipment, cloud and virtual networking, protocols, architecture, storage and management.

Networking

Mozilla Firefox is a free and open-source web browser developed by Mozilla Foundation. It is available for use on Windows, macOS, Linux, and BSD operating systems.

Firefox

Web browsers are applications used primarily to display documents, files and media from the Internet, identified by a Uniform Resource Identifier (URI) that can be a page, image, video or other file. Some browsers require the use of add-ons or extensions to safely render the information they receive; others have systems built into them to perform the same functions.