The HTTP Archive format, or HAR, is a

JSON JSON (JavaScript Object Notation, pronounced ; also ) is an open standard file format and data interchange format that uses human-readable text to store and transmit data objects consisting of attribute–value pairs and arrays (or other ser ...

-formatted archive file format for logging of a

web browser A web browser is application software for accessing websites. When a user requests a web page from a particular website, the browser retrieves its files from a web server and then displays the page on the user's screen. Browsers are used on ...

's interaction with a site. The common extension for these files is .har. The specification for the HTTP Archive (HAR) format defines an archival format for HTTP transactions that can be used by a web browser to export detailed performance data about web pages it loads. The specification for this format is produced by the Web Performance Working Group of the World Wide Web Consortium (W3C). This document was never published by the W3C Web Performance Working Group and has been abandoned.

Support

The HAR format is supported by various software, including: *

Charles Proxy Charles Web Debugging Proxy is a cross-platform HTTP debugging proxy server application written in Java. It enables the user to view HTTP, HTTPS, HTTP/2 and enabled TCP port traffic accessed from, to, or via the local computer. This includes re ...

Fiddler A fiddle is a bowed string musical instrument, most often a violin. It is a colloquial term for the violin, used by players in all genres, including classical music. Although in many cases violins and fiddles are essentially synonymous, the ...

* Firebug *

Firefox Mozilla Firefox, or simply Firefox, is a free and open-source web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation. It uses the Gecko rendering engine to display web pages, which implements current ...

Google Chrome Google Chrome is a cross-platform web browser developed by Google. It was first released in 2008 for Microsoft Windows, built with free software components from Apple WebKit and Mozilla Firefox. Versions were later released for Linux, macOS ...

* Internet Explorer 9 *

Microsoft Edge Microsoft Edge is a proprietary, cross-platform web browser created by Microsoft. It was first released in 2015 as part of Windows 10 and Xbox One and later ported to other platforms as a fork of Google's Chromium open-source project: Android ...

Postman A mail carrier, mailman, mailwoman, postal carrier, postman, postwoman, or letter carrier (in American English), sometimes colloquially known as a postie (in Australia, Canada, New Zealand, and the United Kingdom), is an employee of a post ...

*OWASP ZAP

References

External links

W3C HAR editor's draft

What is HAR File And How To Generate HAR File
* Archive formats Hypertext Transfer Protocol {{compu-stub