File Extension Database

Open JPEG File

The term JPEG is actually a reference to three different things:

JPEG lossy compression: Websites require optimization of load times, so it is important to be careful not to negatively affect the speed and performance of your site by using large images that waste resources and take forever to load on your site's frontend.
Joint Photographic Experts Group (JPEG): JPEG stands for Joint Photographic Experts Group, which is the name of the subcommittee that helped create the JPEG standard, as well as other still image coding standards under the broader group called ISO.
JPEG as file format: The term JPEG is also when referring to a file format name or a way of storing and saving digital images. This is probably the way you're most used to seeing JPEG, as it's one of the file format options you have when you save an image after editing it.

JPEG is the image file format most commonly used by digital cameras and other image capture devices, as it supports 16 million colors, which are produced using 8 bits of each in the RGB color model.

Supports a maximum size of 65,535 x 65,535 pixels.

And last but not least, it reduces the size of an image by 50-75% (due to lossy compression) when saved.

However, for applications that require defined contours (vectorized) it is not ideal, since the colors are mixed by zooming in on the image.

It is necessary to make a differentiation when it comes to JPEG vs JPG, and the truth is that there is no difference between the two except the extension and the number of characters that make it up.

Software to open and work with a JPEG file

There are countless applications that can open a JPEG file from various perspectives, either for viewing or editing.

The list below is extremely brief, since putting here all the applications enabled to open a JPEG file would make this article much longer:

Typical JPEG application file locations:

%SystemRoot%\System32\rundll32.exe "%ProgramFiles%\Windows Photo Gallery\PhotoViewer.dll"
C:\Windows\System32\rundll32.exe "C:\Program Files (x86)\Windows Photo Viewer\PhotoViewer.dll", ImageView_Fullscreen %1
C:\Program Files (x86)\Opera\Opera.exe "%1"
C:\Program Files\Paint.NET\PaintDotNet.exe "%1"
C:\Program Files (x86)\QuickTime\PictureViewer.exe "%1"
C:\Program Files (x86)\Windows Live\Photo Gallery\WLXPhotoGallery.exe /LaunchPhotoViewer /v "%1"

Typical JPEG mime types:

 ImageView_Fullscreen %1
image/jpeg

Frequently used application names to open JPEG files:

Windows Photo Gallery
Windows Photo Viewer
Opera
Paint.NET
QuickTime
Windows Live

Frequently associated Windows objects:

jpegfile
Opera.Image
Paint.NET.1
QuickTime.jpeg
WindowsLive.PhotoGallery.jpg.14.0

How Can I Open JPEG File on Windows

We researched and learned that the best way to open JPEG file is to find a JPEG file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a JPEG file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open JPEG file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as JPEG file opener then try to search online for "JPEG viewer", "application to open JPEG file" or "open JPEG file" queries in the search engine you like.
Install the application you found and check if it can open JPEG file

How Can I Open JPEG File on Mac OS

We recommend to find a JPEG file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a JPEG file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with JPEG file.
If you know the Mac OS application which can work as JPEG file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open JPEG file in it.
If you don't know the application which can open JPEG file then try to search for "JPEG viewer", "application to open JPEG file" or "read JPEG file" queries in the online search engine you like.
Install the application you found and check if it can read JPEG file

How Can I Open JPEG File on Android

If you downloaded a JPEG file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded JPEG file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "JPEG".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "JPEG viewer", "JPEG file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open JPEG File on iPhone or iPad

To open JPEG File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the JPEG file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "JPEG". This way you can find apps which can open JPEG files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "JPEG viewer" or "JPEG file" online in your favorite search engine.

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