HAR File Extension

HAR file extension is created by World Wide Web Consortium, also known as HTTP Archive FIle. HAR has been classified as Web Files. You can open and render the contents of this file in a Text Editor. You can open HAR files in HTTP Toolkit program.

HTTP Archive File Type

What is a HAR File Type?

The purpose of the HAR format is to record the performance of web browsers, allowing developers to analyze how browsers load web pages. HAR files can be exported through various HTTP tools, such as Electron HAR, HttpWatch, HTTP Toolkit, but are usually exported through web browsers. Most browsers support the format including Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge and Internet Explorer.

You can open HAR files with different programs, including the online tool HAR Viewer and l' open source, cross-plate-form HTTP Toolkit. Since the HAR files are saved in JSON format, they can also be opened using a JSON editor or plain text editor, such as Microsoft Notepad or Apple TextEdit.

If you open an HAR file in a text editor, you will see JSON organized according to the following types of objects.

The Web Performance Working Group of the World Wide Web Consortium (W3C) develops the HAR format.

Free online HAR Tools & Apps

We have also the free online .HAR (HTTP Archive FIle) file extension apps that can allow to view, edit, convert from to HAR, merge, split and compare the HAR files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.

HAR Converter

Open HAR

Edit HAR

Compare HAR Files

Merge HAR Files

Split HAR Files

HAR Metadata Viewer

HAR Files Common Issues

There are few common issues with the HTTP Archive FIle .HAR File Extensions while opening the .HAR files on Windows and MacOs, we have solution to those issues such as:

Can't Open HAR Files?

1. You must have supported software programs installed for HTTP Archive FIle on your system such as HTTP Toolkit.
2. Associate default Http Toolkit HTTP Toolkit program for *.har (HTTP Archive FIle) files.
   
   

   Associate HAR Default Program on Windows

   1. Right-click a *.HAR (e.g example.har) file and click Open With.
   2. In the Open with dialog box, click Http Toolkit HTTP Toolkit program Or click Browse to locate the program (*.exe) that you want.
   3. Select check box for Always use this app to open .har files.
   
   

   Associate HAR Default Program on MacOs

   1. Click *.HAR (e.g example.har) file and click information -> Open With.
   2. In the programs list, click Http Toolkit HTTP Toolkit program Or other appropriate program that you want.
   3. Confirm Change for all... and Contine.
   4. A message will appear "This change will be applied to all files with .HTTP Toolkit extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related HAR File Extensions

HAR default file extension is .HAR and other similer related extensions are:

All Platform Software Programs for HAR File Extension

List of all softwares that can open the HAR files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Open HAR File on Windows

	Software	License	Developer
	HTTP Toolkit 000 for Windows	Free	HTTP Toolkit
	WinHugs 000 for Windows	Free	WinHugs

Open HAR File on Mac OS

	Software	License	Developer
	HTTP Toolkit 000 for MacOs	Free	HTTP Toolkit
	Hugs 000 for MacOs	Free	Hugs

Open HAR file on Linux

	Software	License	Developer
	HTTP Toolkit 000 for Linux	Free	HTTP Toolkit
	Hugs 000 for Linux	Free	Hugs

Open HAR file on Web

	Software	License	Developer
	HAR Viewer 000 for Web	Free	HAR Viewer

Open HAR file on iOS

Open HAR file on Android

About Licensing

1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
3. Free⁺ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

About HAR - HTTP Archive FIle

Listed file converters are from the wide range of online file converter.

These are the most polular file/document converters based on the user's review and usage on the FileProInfo.