.CHM File Overview

File Extension:	CHM
File Type Description:	Compiled HTML Help File
File Type Developer:	Microsoft Corporation
Primary Associated Software:	Mozilla Firefox
Primary Software Developer:	Mozilla

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Home File Types Web Files CHM

What is File Extension CHM?

Release of the Mozilla Firefox software program prompted the development of the Compiled HTML Help File file type by Mozilla. Internal website statistics show that CHM files are most popular with users in United States and those running the Windows 10 operating system. Generally, we have found that most of these people are Google Chrome users.

Associated Developers and Software

	Microsoft HTML Help Workshop by Microsoft Corporation
	CHM Editor by GridinSoft LLC
	xCHM by Open Source
	Mozilla Firefox by Mozilla
	CHM Decoder by GridinSoft LLC
	ChemDraw by PerkinElmer
	macOS by Apple
	Microsoft Windows Help by Microsoft Corporation
	Apple OS X by Apple
	Apple Safari by Apple
	WinCHM by Softany Software
	SWAT by Grassland, Soil and Water Research Laboratory
	Guohua ChmDecompiler by Guohua Software
	Two World II by Reality Pump Studios

Top CHM User Languages

Top CHM File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	iOS
	Android
	Linux

Other File Types Related to CHM Files

Extension	File Type Developer	File Category	File Type Description
.NA2	Mozilla	Web Files	Netscape Address Book File
.NMF	ESRI	GIS Files	ArcGIS Explorer Map File
.JPG	Joint Photographic Experts Group	Raster Image Files	JPEG Image
.TMP	Mozilla	Backup Files	General Temporary File
.PJP	Joint Photographic Experts Group	Raster Image Files	JPEG Image
.JSM	Mozilla	Settings Files	Firefox JavaScript Module
.CFM	Adobe Systems Incorporated	Web Files	ColdFusion Markup File
.CAL	Newera Software Technology, Inc.	Raster Image Files	CALS Raster File
.509	Microsoft Corporation	Web Files	Internet Security Certificate
.3B2	Mozilla	Data Files	Firefox Extension Backup Extension