MIME type is a way to classify the data type of a file. MIME stands for "Multipurpose Internet Mail Extensions." It is an extension of the Internet e-mail standard that defines the different types of content that can be attached to e-mail messages. MIME is commonly used when sending attachments and provides information about the data type, size, and encoding of an attachment. The MIME type indicates what kind of data the attachment contains, for example: text/plain or image/jpeg.

Are the MIME type and file extension the same?

No, the MIME type and the file extension are not the same. The MIME type is only a text string that identifies what kind of content is being transmitted. The file extension is a code that tells the computer which application to use to open the document. Usually, the file extension is corresponding to a certain mime type. But sometimes it can not match, for example when someone changes a file extension manually.

When is useful to know MIME type of file?

Knowing the MIME type of a file is useful when you need to know how to handle it. For example, if you want to upload a file to the web server, knowing its MIME type will help you determine which format is appropriate. MIME types are used by email clients and web browsers to determine what type of content they are handling.

How can I check the file's MIME type?

There are two ways to check the MIME type of a file. The first is to use your operating system's built-in commands. The second way is to look for an extension that matches the file type. For example, ".txt" for plain text files and ".pdf" for PDF files. Or you can use our online tool, which can make this job easy and faster.

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About AVIF format

Picture format based on AV1 video format

AVIF Image File Format (AVIF) is a new format for storing images compressed with AV1 video codec. AVIF is smaller, than JPEG and WEBP file formats, which means it can be loaded faster, transmit data at a higher speed with less power consumption.

AVIF is an open-source picture format that is royalty-free and designed for compression. Data use will be decreased, internet speeds will rise, and device compatibility will improve as a result of the new standard's implementation. This encoding efficiency also provides a significant benefit in terms of compatibility.

Compression is available in both lossless and lossy modes. Transparent picture portions are similarly recorded in an alpha channel as well as other image and graphic formats. User interfaces, collages, and brand logos may all benefit from transparency data. High dynamic range (HDR) images, supporting both Rec 2020 and Rec 709 color spaces; Lossless compression; Lossy compression; Monochrome (alpha/depth).

Today, you may include AVIF photos into your website. Because AVIF is still relatively new and isn't completely supported by all browsers, it's recommended to use content negotiation, via the HTML 5 image> and source> tags. To replace the conventional JPEG, AVIF requires HTML code to be included into webpages. The HTML element image> is used to do this. To put it another way, it keeps track of several image sources (sources>) for a single picture (img>). The lowest image element is readout, which is used as a backup option for browsers that can't show WebP or AVIF images. This allows you to supply a JPEG image, which is supported by all major browsers.

You can open AVIF files in browsers including Chrome, Opera, and Firefox. The AV1 Image File Format will be supported by Android 12, according to the initial preview. In Android 12, AVIF will be supported. To take use of AVIF, you should use an Image CDN.

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