What Is a JPG (JPEG) File?

How to open, edit and convert JPG or JPEG files

What there is to know

  • A JPG/JPEG file is an image file.
  • Open one with any browser or image viewer, like IrfanView.
  • Convert to PNG, SVG, PDF, etc. with an image conversion tool like Convertio.

This article explains what JPG and JPEG files are and how they differ from other image formats, how to open one, and which programs can convert one to a different image format such as SVG, GIF, or PNG.

What is a JPG (JPEG) file?

A JPG or JPEG (both pronounced “jay-peg”) file is an image file. While some JPG image files use the .JPG file extension and some use .JPEG, they are both the same file type.

Some JPEG image files use the .JPE file extension, but this is not very common. JFIF files are JPEG File Interchange Format files that also use JPEG compression, but they are not as popular as JPG files.

How to open a JPG or JPEG file

JPG files are supported by all image viewers and editors. It is the most widely accepted image format.

You can open JPG files with your web browser, like Chrome or Firefox (drag local JPG files onto the browser window) and built-in Microsoft programs like Photo Viewer and Paint app. If you’re using a Mac, Apple Preview and Apple Photos can open the JPG file.

JPG files are widely used because the compression algorithm significantly reduces file size, making it ideal for sharing, storing, and posting on websites. However, this JPG compression also reduces the quality of the image, which can be noticeable if it is heavily compressed.

IrfanView, Adobe Photoshop, GIMP, and basically any other program that displays images, including online services like Google Drive, also support JPG files.

Mobile devices also support opening JPG files, which means you can view them in your email and text messages without needing a specific JPG viewer app.

Some websites and programs may not recognize an image as a JPEG image file unless it has the appropriate file extension. For example, some basic image editors and viewers will only open .JPG files and not know that the .JPEG file you have is the same. In these cases, you can simply rename the file to have the file extension that the program understands.

How to convert a JPG or JPEG file

There are two main ways to convert JPG files. You can either use the image viewer or editor to save it to a new format (assuming the feature is supported) or plug the JPG file into an image conversion program.

For example, FileZigZag is an online JPG converter that can save the file to a number of other formats, including PNG, TIF/TIFF, GIF, BMP, DPX, TGA, PCX, and YUV.

Another very simple option is an app called Resizing.app, and there’s a Chrome extension if you plan to do a lot of conversions. Output formats include PNG, TIFF, WEBP, and BMP.

You can even convert JPG files to an MS Word format like DOCX or DOC with Zamzar, which is like FileZigZag in that it converts the JPG file online. It also saves JPG to ICO, PS, PDF, and WEBP, among other formats.

If you just want to insert a JPG file into a Word document, you don’t need to convert the file to MS Word file format. In fact, such a conversion does not result in a very well formatted document. Instead, use Word’s built-in “insert” option to insert the JPG directly into the document, even if you already have text there.

Open the JPG file in Microsoft Paint and use the Case > Save as menu to convert it to BMP, DIB, PNG, TIFF, etc. The other JPG viewers and editors mentioned above support similar menu options and output file formats.

Using the Convertio website is one way to convert JPG to EPS if you want the image file to be in that format. If that doesn’t work, you can try AConvert.com.

Still can’t open the file?

Some file formats use file extensions that look like .JPG files but are actually unrelated. Examples include JPR (JBuilder Project or Fugawi Projection), JPS (Stereo JPEG Image or Akeeba Backup Archive), and JPGW (JPEG World).

Is JPG the same as JPEG?

So, is there a difference between JPEG and JPG? The file formats are identical, but one has an extra letter. Really, that’s the only difference.

Both JPG and JPEG represent an image format supported by the Joint Photographic Experts Group and have exactly the same meaning. The reason for the different file extensions has to do with the fact that early versions of Windows did not accept the longest extension.

As with HTM and HTML files, when the JPEG format was first introduced, the official file extension was JPEG (with four letters). However, Windows had a requirement at the time that all file extensions could not exceed three letters, so .JPG was used for the exact same format. Mac computers, however, had no such limitation.

What happened was that both file extensions were used on both systems, then Windows changed their requirements to accept longer file extensions, but JPG was still being used. Therefore, JPG and JPEG files have been circulating and continue to be created.

Although both file extensions exist, the formats are exactly the same and one can be renamed the other without loss of functionality.

FAQs

  • How do I open a JPG-Large file?

    JPG-Large files are image files created by Google Chrome when a Twitter user saves an image by dragging it to their desktop. they can also be created when a user right-clicks an image on Twitter and then saves it to their desktop. JPG-Large files are in the same format as JPG or JPEG files. Change their file extension to removing “large”, then open the file as you would any JPG or JPEG image.

  • How to open a damaged JPG or JPEG file?

    A JPG or JPEG file can get corrupted during a system shutdown during file transfer, if something unexpected happens during the sharing process, when a header file gets corrupted, and various other reasons . To open a damaged or corrupted JPG or JPEG file, try changing the file format, then see if that fixes the problem. You can also try opening the damaged JPEG in a program like Paint and then saving the image to another file format. Opening the corrupted file in an image editor, such as Photoshop, can also repair the damaged JPEG file.

  • How do I open a JPG or JPEG file in Photoshop?

    To open a JPG or JPEG in Photoshop, go to Case > To open, then navigate to the file and double-click to select and open it. You can also drag the file from the folder containing it to the Photoshop icon in your dock (macOS) or right-click the file and choose Photoshop from the Open with menu (macOS or PC).


More information about What Is a JPG (JPEG) File?

How to open, edit, & convert JPG or JPEG files

What to Know
A JPG/JPEG file is an image file.
Open one with any browser or image viewer, like IrfanView.
Convert to PNG, SVG, PDF, etc. with an image converter tool like Convertio.

This article explains what JPG and JPEG files are and how they’re different than other image formats, how to open one, and which programs can convert one to a different image format such as SVG, GIF, or PNG.

What Is a JPG (JPEG) File?

A JPG or JPEG file (both pronounced “jay-peg”) is an image file. While some JPG image files use the .JPG file extension and others use .JPEG, they are both the same type of file.

Some JPEG Image files use the .JPE file extension, but that’s not very common. JFIF files are JPEG File Interchange Format files that also use JPEG compression, but they aren’t as popular as JPG files.
How to Open a JPG or JPEG File

JPG files are supported by all image viewers and editors. It’s the most widely accepted image format.

You can open JPG files with your web browser, like Chrome or Firefox (drag local JPG files onto the browser window), and built-in Microsoft programs like the photo viewer and Paint application. If you’re on a Mac, Apple Preview and Apple Photos can open the JPG file.

JPG files are widely used because the compression algorithm significantly reduces the size of the file, which makes it ideal for sharing, storing, and displaying on websites. However, this JPG compression also reduces the quality of the image, which might be noticeable if it’s highly compressed.

IrfanView, Adobe Photoshop, GIMP, and basically any other program that views images, including online services such as Google Drive, support JPG files, too.

Mobile devices provide support for opening JPG files as well, which means you can view them in your email and through text messages without needing a specific JPG viewing app.

Some websites and programs might not recognize an image as a JPEG Image file unless it has the proper file extension. For example, some basic image editors and viewers will only open .JPG files and will not know that the .JPEG file you have is the same thing. In those instances, you can just rename the file to have the file extension that the program understands.

How to Convert a JPG or JPEG File

There are two main ways to convert JPG files. You can either use the image viewer or editor to save it to a new format (assuming that function is supported) or plug the JPG file into an image converter program.

For example, FileZigZag is an online JPG converter that can save the file to a number of other formats, including PNG, TIF/TIFF, GIF, BMP, DPX, TGA, PCX, and YUV.

Another really simple option is an application called Resizing.app, and there’s a Chrome extension if you plan to perform lots of conversions. Output formats include PNG, TIFF, WEBP, and BMP.

You can even convert JPG files to an MS Word format like DOCX or DOC with Zamzar, which is like FileZigZag in that it converts the JPG file online. It also saves JPG to ICO, PS, PDF, and WEBP, among other formats.

If you just want to insert a JPG file into a Word document, you don’t have to convert the file to an MS Word file format. In fact, a conversion like that doesn’t make for a very well-formatted document. Instead, use Word’s built-in “insert” option to plug the JPG directly into the document even if you already have text in there.

Open the JPG file in Microsoft Paint and use the File > Save as menu to convert it to BMP, DIB, PNG, TIFF, etc. The other JPG viewers and editors mentioned above support similar menu options and output file formats.

Using the Convertio website is one way to convert JPG to EPS if you want the image file to be in that format. If that doesn’t work, you can try AConvert.com.

Still Can’t Open the File?

Some file formats use file extensions that look like .JPG files but are in fact unrelated. Examples include JPR (JBuilder Project or Fugawi Projection), JPS (Stereo JPEG Image or Akeeba Backup Archive), and JPGW (JPEG World).

Is JPG the Same as JPEG?

So, is there any difference is between JPEG and JPG? The file formats are identical, but one has an extra letter. Really, that’s the only difference.

Both JPG and JPEG represent an image format supported by the Joint Photographic Experts Group and have the exact same meaning. The reason for the different file extensions has to do with early versions of Windows not accepting the longer extension.

Like HTM and HTML files, when the JPEG format was first introduced, the official file extension was JPEG (with four letters). However, Windows had a requirement at that time that all file extensions could not exceed three letters, which is why .JPG was used for the exact same format. Mac computers, however, didn’t have such a limitation.

What happened was that both file extensions were used on both systems, and then Windows changed its requirements to accept longer file extensions, but JPG was still being used. Therefore, both JPG and JPEG files circulated and continue to be created.

While both file extensions exist, the formats are the exact same and either can be renamed to the other without a loss in functionality.

FAQ

How do I open a JPG-Large file?
JPG-Large files are image files that Google Chrome creates when a Twitter user saves an image by dragging it onto their desktop; they may also be created when a user right-clicks an image on Twitter and then saves it to their desktop. JPG-Large files are in the same format as JPG or JPEG files. Change their file extension by removing “large,” and then open the file as you would any JPG or JPEG image.

How do I open a damaged JPG or JPEG file?
A JPG or JPEG file can become corrupted when there’s a system shutdown during file transfer, if something unexpected happens during the sharing process, when a header file gets corrupted, and various other reasons. To open a damaged or corrupted JPG or JPEG file, try changing the file format, then see if this solves the problem. You can also try opening the damaged JPEG in a program like Paint, then saving the image in another file format. Opening the corrupt file in an image editor, such as Photoshop, may also fix the damaged JPEG.

How do I open a JPG or JPEG file in Photoshop?
To open a JPG or JPEG in Photoshop, go to File > Open, then navigate to the file and double-click to select and open it. Alternatively, you can drag the file from the folder containing it to the Photoshop icon in your dock (macOS) or right-click the file and chose Photoshop from the Open With menu (macOS or PC).

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