What is an HTML or HTML file? How do I open, edit, and convert HTML and HTML files?

May 30, 2021 Article blog

What is an HTML / HTM file? What's the difference between them by one letter, how to view or edit the source code, and how to convert it to other formats, such as DOCX, PDF, JPG, etc., programming Lion W3Cschool for these issues is expected to help you:

What is an HTML or HTML file? How do I open, edit, and convert HTML and HTML files?1

What is an HTML or HTML file?

HTM / HTML files are Hyper Text Markup Language files and are standard web file types on the Internet.

Because HTM files are plain text files, they contain only text (such as what you're reading right now) and text references to other external files (such as the drawings in this article).

HTM and HTML files can also reference other files, such as video, CSS, or JS files.

The difference between HTM and HTML

HTM is not essentially different from HTML, just to satisfy that DOS can only identify the file name of the 8-3, because some older systems (win32) do not recognize the four-digit file name, so some web servers require index.html last l cannot be omitted. M SIE automatically recognizes and opens these files, but the web address must be written exactly the same, which index.htm that index .htm and index.html are two different files with different addresses. It is worth mentioning that the UNIX system is case sensitive, and if it does not match, there may be no files reported or no files found.

How do I open an HTML or HTML file?

Any web browser, such as Edge, Firefox, Chrome, Opera, IE, 360 Secure Browser, etc., can open and display HTM and HTML files correctly. In other words, open the files in your browser and "decode" the HTM or HTML files so that they appear correctly. decode

What is an HTML or HTML file? How do I open, edit, and convert HTML and HTML files?2

There are many tools to simplify editing and creating HTM/HTML files. S ome of the famous free HTML editors include Eclipse, Komodo Edit, and Bluefish. A nother popular HTM/HTML editor with many advanced features is Adobe Dreamweaver, but it's for a fee.

Although simple text editors, such as notepads that come with Windows systems, are not as powerful as dedicated HTM editors, it is okay to make simple edits to HTM or HTML files. However, W3Cschool recommends that you use a dedicated editor, such as WebStorm, VS Code, etc., which has more professional features.

This is a very simple example of an HTML page displayed as text:

What is an HTML or HTML file? How do I open, edit, and convert HTML and HTML files?3

source:

<!doctype html>
<html>

    
<head>
<meta charset="utf-8">
<title>什么是HTM或HTML文件？ - 编程狮(w3cschool.cn)</title>
</head>


<body>
    <h1>什么是HTM或HTML文件？</h1>
    <p>HTM / HTML 文件是超文本标记语言（Hyper Text Markup Language）文件，是 Internet 上的标准网页文件类型。</p>
    <p>由于 HTM 文件是纯文本文件，因此它们仅包含文本（例如您现在正在阅读的内容）以及对其他外部文件的文本*引用*（例如本文中的配图）。</p>
    <p>HTM 和 HTML 文件还可以引用其他文件，例如视频，CSS 或 JS 文件。</p>   
</body>

    
</html>

When a Web browser renders information, the source code of the HTML file is "converted" to a real Web page (although the source code is streamlined).

How do I convert HTML and HTML files?

HTM files are made up of specific syntax (rules) so that the code and text in them appear correctly when they are opened in the browser. Therefore, converting an HTM/HTML file to another format can lose all functionality on the page.

If all you want to do is convert an HTM/HTML file to one that you can easily view offline, the picture or PDF format is much easier.

In Chrome, right-click the page, enter "Print (P)..." (shortcut: CTRL-P) in the options menu, and select Save as a PDF in the print options to convert pages in the window to PDF files. The Chrome extension, also known as Full Screensaver, converts all open HTM/HTML files in Chrome to PNG files.

What is an HTML or HTML file? How do I open, edit, and convert HTML and HTML files?4

Other browsers have similar features, such as Firefox's Save as PDF add-in.

You can also use websites dedicated to image file conversion for HTM/HTML, such as iWeb2Shot or Web-capture.

A free file converter can be used to convert and save HTM/ HTML files to your computer. FileZigZag is a free document converter website that converts HTM to RTF, EPS, CSV, PDF and many other formats.

HTM/ HTML files cannot be converted to any format other than the text file format. For example, HTML files can never be converted to MP3 audio files.

Can't open the file?

HTML/HTM files should be easy to open because they are just text files that any web browser can view. If your file is not opened from any of the programs suggested above, it is likely that the file being opened is not a hypertext markup language file.

What is an HTML or HTML file? How do I open, edit, and convert HTML and HTML files?5

Some file formats use file extensions that are very similar to HTML/HTM, but are not. A major example is the HTMLZ file extension used to compress HTML eBook files. HTMLZ files, including HTML files, but the entire package is in ZIP format and does not open in a web browser or text editor.

In this example, you need a specific HTMLZ file viewer, such as Caliber. Or, because this file format is actually archived, you can open it using a file decompressor such as 7-Zip, and then you can open any separate HTML file using a web browser or any of the html viewers/editors above.

TMLANGUAGE is another file extension that may be confused with HTML/HTM files. These are actually TextMate language syntax files for macOS.

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