Opening an HTML File

The HTML file type is primarily associated with Visual Studio Code.

HTML	File extension: HTML
	File type:	web page

What is an HTML file

HTML files mostly belong to Visual Studio Code by Microsoft. An HTML file is a web page written in HyperText Markup Language. It contains XML-encoded markup describing elements on a web page. References to stylesheets, media (images, and video/audio clips), and scripts written in JavaScript are also defined in an HTML document. The contents of a simple HTML document which displays a dog's picture may look as follows:


<!DOCTYPE html>
<html>
<head>
<title>Cute Dog</title>
</head>
<body>
<img src="./images/cute-dog.jpg" alt="cute dog - furball" />
</body>
</html>

Visual Studio Code, Sublime, Dreamweaver and other web development environments can create HTML web pages.

How to open HTML files

You need a suitable software like Visual Studio Code to open an HTML file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your HTML file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a HTML file directly in the browser:. Just drag the file onto this browser window and drop it.

Online HTML File Viewer

Choose your .html file to view

or drag and drop it here

Online File Viewer

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How to convert HTML files to JPG, PDF, HTML, DOC, ...

You can convert HTML files using our online HTML file viewer (powered by Convert.Guru):

Just click the "Choose your .html file to view" button on this page.
After your file is opened in browser,
click "Save as..." in the menu.
Then click the file format (e.g. PDF, JPG, DOCX, TXT, ...) you want.
Your file will be converted and downloaded.

Programs that open and convert HTML files:

Visual Studio Code by Microsoft
See the previous paragraphs to learn more about the main application. HTML files are often referred to as Visual Studio Code web (source)s because this type of file is primarily created or used by this software.
7-Zip (compressed data) by Igor Pavlov
7-Zip is a cross-platform data compression and encryption program. It can open and decompress an HTML file containing data saved in ZIP or GZip compression format. This file format is classified as Compressed.
Acrobat (document) by Adobe
Acrobat is a cross-platform program for authoring, reading, and signing documents in Portable Document Format (PDF). It can read an HTML file containing a PDF document instead of a web page. This file format is classified as Web (source).
Dreamweaver (web page) by Adobe
Dreamweaver is a drag-and-drop based web development environment for Windows and macOS environments. It saves a web page in an HTML file. This file format is classified as Web (source).
Firefox (web page) by Mozilla
Firefox is a cross-platform web browser with HTML5, CSS3, and JavaScript support. It can load a web page saved as an HTML file. This file format is classified as Web (source).
SQLite (database) by SQLite Consortium
SQLite is a cross-platform relational database management system available as a C language library. It can open and modify a database file which has been assigned HTML filename extension. This file format is classified as Database.
XnView (image) by XnSoft
XnView is a cross-platform image viewer with gallery, editing, and conversion support. It can open an HTML file saved in JPEG or PNG format. This file format is classified as Raster Image.

HTML file extension format:

To view or edit HTML files you need to know the file format, because it determines how the data in this file is stored. Each file format has a unique extension and almost always a unique signature. For example, Microsoft Word documents have the extension .docx and the signature (usually the first 3 characters in this file) PK. Nonetheless, different programs can utilize the same file extension to represent distinct file formats. Double-clicking on the file often results in an error when opening. So a detailed analysis of a file is vital in order to determine the format and the associated program. Below is our analysis of the HTML files:

HTML is a very commonly used file extension and uses a standardized format supported by many programs. The two most common formats are as follows:

60% of all HTML files belong to HyperText Markup Language. The files are using the common file format HTML. HTML is short for HyperText Markup Language. It is the standard markup language for documents designed to be displayed in a web browser. These files contain text and words, not binary data. HTML files can be up to 190 MB in size, but are often around 1 KB - 580 KB. The file type was created 10 years ago, but is still used today. Certain words are almost always found in the files, such as <!DOCTYPE html>, charset, content, UTF-8, title, Type, meta http-equiv, <head>, text and lang. The following filename is common: Index.html. Files like these have the following tags: browser, archive, history, gmail, bookmarks, chat, download and message.
15% of all HTML files are HyperText Markup Language files, which are using the popular XML file format. The Extensible Markup Language (XML) is a simple text-based format for representing structured information: documents, webpages, data, configuration, books, transactions, invoices, and much more. XML defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. These files are plain text, which means they can be viewed with any text editor such as Windows Editor, Nano for Linux, and TextEdit for macOS. The files are on average 2 KB in size and range from 320 bytes to 190 KB. Several words can almost always be found in the files, e.g. html, head, title, doctype and meta. A usual file name is index.html. Files like these are about snip, info, subscriber, google, chromium and licenses.

The remaining 25% of all HTML files are different files with different signatures, the following 13 formats can be found: HTML, XML, PDF, MHTML, ZIP, JPG, Mac2OSX, PNG, SQL, GZIP and Content. Files like these are sometimes linked to snip, google, report, info, mail or search. You can get all the details of your HTML file by dragging it onto this page or by clicking the button "Choose your .html file to view" above.

Technical Data for HTML File Extension

File classification:

Web (source)

Related files:

snip, download, json, txt, zip, css, xtml, check, blink, pdf, index, htm, png, mbox, exe, snap, js, cid, xml, jpg, hbs

Mime type:

text/html, application/xhtml+xml

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: aolfile_HTM, FileType: AOL HTML Document, AppName: America Online
EXEFile: aol.exe

ProgramID: aolfile_HTM, FileType: AOLfile_HTML Document, AppName: America Online
EXEFile: aol.exe

ProgramID: Frigate3.view, FileType: HTML Document, AppName: Frigate3

ProgramID: htmlfile, FileType: HTML Document, AppName: Advanced Browser
EXEFile: browser.exe

ProgramID: htmlfile, FileType: HTML Document, AppName: FlashPeak SlimBrowser

ProgramID: htmlfile, FileType: HTML Document, AppName: Internet Explorer
EXEFile: iexplore.exe

ProgramID: htmlfile, FileType: HTML Document, AppName: Microsoft Office XP component

ProgramID: htmlfile, FileType: HTML Document, AppName: MyIE2 Web Browser
EXEFile: MyIE.exe

ProgramID: htmlfile, FileType: HTML Document, AppName: Smart Explorer

ProgramID: htmlfile, FileType: HyperText Document, AppName: Internet Explorer

ProgramID: htmlfile, FileType: Microsoft HTML Document 4.0, AppName: Windows Explorer

ProgramID: htmlfile, FileType: Microsoft HTML Document 5.0, AppName: Microsoft Internet Explorer

ProgramID: MozillaHTML, FileType: HTML Document, AppName: Mozilla
EXEFile: MOZILLA.EXE

ProgramID: MozillaHTML, FileType: HTML Document, AppName: Netscape
EXEFile: NETSCP.EXE

ProgramID: NetscapeMarkup, FileType: Netscape Hypertext Document, AppName: Netscape Navigator
EXEFile: Netscape.exe

ProgramID: Opera.HTML, FileType: HTML Document, AppName: Opera Internet Browser
EXEFile: opera.exe

ProgramID: UltraEdit.html, FileType: HTML Document, AppName: UltraEdit-32 Professional Text/Hex Editor

ProgramID: YBrowser.HTML, FileType: HTML Document, AppName: Yahoo! Browser
EXEFile: YBrowser.exe

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0\aol.exe %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0A\aol.exe %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL9~1.0C\aol.exe %1

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\MOZILL~1\FIREFOX.EXE -url %1

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\MOZILL~2\FIREFOX.EXE -url %1

ProgramID: htmlfile
EXEFile: %ProgramFiles%\Avant Browser\avant.exe %1

ProgramID: htmlfile
EXEFile: %ProgramFiles%\Internet Explorer\iexplore.exe -nohome

ProgramID: htmlfile
EXEFile: %ProgramFiles%\INTERN~1\iexplore.exe -nohome

ProgramID: htmlfile
EXEFile: %ProgramFiles%\Maxthon\Maxthon.exe %1

ProgramID: htmlfile
EXEFile: %ProgramFiles%\SlimBrowser\sbrowser.exe %1

ProgramID: htmlfile
EXEFile: C:\XPB-Net\MYIE2\MyIE.exe %1

ProgramID: htmlfile
EXEFile: y:\irider\irider.exe

ProgramID: mhtmlfile
EXEFile: %ProgramFiles%\Internet Explorer\iexplore.exe -nohome

ProgramID: mhtmlfile
EXEFile: %ProgramFiles%\Maxthon\Maxthon.exe %1

ProgramID: MozillaHTML
EXEFile: %ProgramFiles%\MOZILLA.ORG\MOZILLA\MOZILLA.EXE -url %1

ProgramID: MozillaHTML
EXEFile: %ProgramFiles%\MOZILL~1.5\MOZILLA.EXE -url %1

ProgramID: MozillaHTML
EXEFile: %ProgramFiles%\NETSCAPE\NETSCAPE\NETSCP.EXE -url %1

ProgramID: MozillaXHTML
EXEFile: %ProgramFiles%\NETSCAPE\NETSCAPE\NETSCP.EXE -url %1

ProgramID: NetscapeMarkup
EXEFile: %ProgramFiles%\Netscape\COMMUN~1\Program\netscape.exe %1

ProgramID: Opera.HTML
EXEFile: %ProgramFiles%\opera7\opera.exe %1

ProgramID: Opera.HTML
EXEFile: %ProgramFiles%\Opera\opera.exe %1

ProgramID: YBrowser.HTML
EXEFile: %ProgramFiles%\Yahoo!\browser\YBrowser.exe %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0\aol.exe %1

ProgramID: htmlfile
EXEFile: %ProgramFiles%\Internet Explorer\iexplore.exe

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0A\aol.exe %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL9~1.0\aol.exe %1

ProgramID: htmlfile
EXEFile: %ProgramFiles%\t-online\t-online_software_5\browser\browser.exe %1

ProgramID: MozillaHTML
EXEFile: %ProgramFiles%\MOZILL~1\FIREFOX.EXE -url %1

ProgramID: UltraEdit.html
EXEFile: %ProgramFiles%\UltraEdit\uedit32.exe %1

ProgramID: htmlfile
EXEFile: %ProgramFiles%\Wanadoo\WOOBrowser\WOOBrowser.exe %1

ProgramID: htmlfile
EXEFile: %ProgramFiles%\Deepnet Explorer\Deepnet.exe %1

ProgramID: Opera.HTML
EXEFile: %ProgramFiles%\Opera75\opera.exe %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL9~1.0A\aol.exe %1

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\MOZILL~1\NEWFOL~1\FIREFOX.EXE -url %1

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\FIREFOX.EXE -url %1

ProgramID: htmlfile
EXEFile: %ProgramFiles%r\Internet Explorer\iexplore.exe -nohome

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\DEERPA~1\FIREFOX.EXE -url %1

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\FIREFOX\FIREFOX.EXE -url %1

ProgramID: htmlfile
EXEFile: %ProgramFiles%\Yahoo!\browser\ybrowser.exe %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~2.0\aol.exe %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL8~1.0\aol.exe %1

ProgramID: aol_htm
EXEFile: %ProgramFiles%\AOL\Explorer\1.0\AOLExplorer.exe -u %1

ProgramID: UltraEdit.html
EXEFile: %ProgramFiles%\IDM Computer Solutions\UltraEdit-32\uedit32.exe %1

ProgramID: K-Meleon.HTML
EXEFile: %ProgramFiles%\K-Meleon\K-Meleon.exe %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0C\aol.exe %1

ProgramID: NetscapeHTML
EXEFile: %ProgramFiles%\NETSCAPE\NETSCA~1\NETSCAPE.EXE -url %1

ProgramID: MozillaHTML
EXEFile: C:\FAILSA~1\PHOENIX\PHOENIX.EXE -url %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL8~1.0\aol.exe %1

ProgramID: aol_htm
EXEFile: %ProgramFiles%\AOL\Explorer\1.0\AOLExplorer.exe -u %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0G\aol.exe %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL9~1.0\aol.exe %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL9~1.0\aol.exe %1 appfixfile

ProgramID: MozillaHTML
EXEFile: %ProgramFiles%\NETSCA~1\NETSCP.EXE -url %1

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0\aol.exe %1 ASFFile

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0\aol.exe %1 appfixfile

ProgramID: aol_htm
EXEFile: %ProgramFiles%\AOL\Explorer\1.0\AOLExplorer.exe -u %1 ASFFile

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0D\aol.exe %1 ASFFile

ProgramID: aol_htm
EXEFile: %ProgramFiles%\AOL\Explorer\1.2\AOLExplorer.exe -u %1 Ares.CollectionList

ProgramID: htmlfile
EXEFile: %ProgramFiles%\Tencent\TT\TTraveler.exe

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL8~1.0\aol.exe ASFFile

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0B\aol.exe ASFFile

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL9~1.0\aol.exe Application.Manifest

ProgramID: aol_htm
EXEFile: %ProgramFiles%\AOL\Explorer\1.2\AOLExplorer.exe -u appfixfile

ProgramID: Opera.HTML
EXEFile: %ProgramFiles%\Opera 9 Beta\Opera.exe

ProgramID: SlimBrowserHtml
EXEFile: %ProgramFiles%\SlimBrowser\sbrowser.exe

ProgramID: htmlfile
EXEFile: %ProgramFiles%\AVANTB~1\avant.exe

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~2.0\aol.exe Application.Manifest

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL7~1.0C\aol.exe ASFFile

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AOL9~1.0A\aol.exe ASFFile

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\Firefox\Firefox.exe

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\MOZILL~1\FIREFOX.EXE -url?

ProgramID: htmlfile
EXEFile: %ProgramFiles%\Avant\avant.exe

ProgramID: aolfile_HTM
EXEFile: %ProgramFiles%\AMERIC~1.0\aol.exe aom

ProgramID: MozillaHTML
EXEFile: %ProgramFiles%\MOZILLA\MOZILLA.EXE -url

ProgramID: htmlfile
EXEFile: %ProgramFiles%\INTERN~1\INTERN~1.EXE

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\MOZILL~1\FIREFOX.EXE -url -requestPending

ProgramID: htmlfile
EXEFile: %ProgramFiles%\MyIE2\MyIE.exe

ProgramID: htmlfile
EXEFile: %ProgramFiles%\Chami\HTML-Kit\bin\htmlkit.exe

ProgramID: NavigatorHTML
EXEFile: %ProgramFiles%\NETSCAPE\NAVIGA~1\NAVIGA~1.EXE -url -requestPending

ProgramID: SafariHTML
EXEFile: %ProgramFiles%\Safari\Safari.exe -url

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\MOZILL~2\FIREFOX.EXE -requestPending -osint -url

ProgramID: Notepad++_file
EXEFile: %ProgramFiles%\Notepad++\notepad++.exe

ProgramID: FlockHTML
EXEFile: %ProgramFiles%\_WWWUT~1\BROWSERS\FLOCK\FLOCK\FLOCK.EXE -requestPending -osint -url

ProgramID: FlockHTML
EXEFile: %ProgramFiles%\FLOCK\FLOCK\FLOCK.EXE -requestPending -osint -url

ProgramID: htmlfile
EXEFile: %ProgramFiles%\OrangeHSS\Launcher\Launcher.exe -appid serviceweb -args

ProgramID: NavigatorHTML
EXEFile: %ProgramFiles%\NETSCAPE\NAVIGA~1\NAVIGA~1.EXE -requestPending -osint -url

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\Shiretoko\firefox.exe -requestPending -osint -url

ProgramID: SafariHTML
EXEFile: %ProgramFiles%\Common Files\Microsoft Shared\OFFICE12\MSOXMLED.EXE /verb open

ProgramID: FirefoxHTML
EXEFile: %ProgramFiles%\Mozilla Firefox 3.5 Beta 4\firefox.exe -requestPending -osint -url

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an html web page is a special file format by Microsoft and should only be edited and saved with the appropriate software.

How to solve problems with HTML files

Associate the HTML file extension with the correct application.
Update your software that should actually open web pages. Because only the current version supports the latest HTML file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available Visual Studio Code update.
To make sure that your HTML file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .HTML file online - secure, fast, and no downloads needed.