The JNG file format plugin for Photoshop lets you open/ save and edit JNG file format files.
The JNG (JPEG Network Graphics) Format encapsulates a JPEG datastream in PNG-style chunks. Although JNG was mainly a MNG sub-format, standalone JNG files are now possible with the JNG file format plugin.
You will be able to open.jpg jpg jng jngf jngx.jnf files in Photoshop using this plugin.
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Tested on macOS Sierra 10.12.5, macOS High Sierra 10.13.1, macOS Mojave 10.14, and macOS Catalina 10.15 Beta 3.
JNG Format Plugin for Photoshop:
Photoshop 9 and newer: Mac | Windows
Photoshop CC 2018: Mac | Windows
Photoshop CC 2020: Mac | Windows
Photoshop CC 2020.5 (and later): Mac | Windows
Photoshop CC 2021: Mac | Windows
Photoshop CC 2021.5 (and later): Mac | Windows
Photoshop CC 2022: Mac | Windows
Photoshop CC 2023: Mac | Windows
Photoshop CC 2024 (and later): Mac | Windows
Photoshop CC 2025: Mac | Windows
Photoshop CC 2026 (and later): Mac | Windows
Photoshop CC 2027 (and later): Mac | Windows
Photoshop 2020 (and later):
To install the plugin:
1. Open Photoshop and connect to a Photoshop CS6 or later image.
2. Open the Plugins panel.
3. Click the Install button in the JNG Format plugin.
4. You’ll see an Install window open.
5. Uncheck the Add to Photoshop checkbox.
6. Click Continue to install the plugin.
7. Click OK when the Install window closes.
Note: The plugin will now appear in the Plugins panel.
For more help:
Click here to access additional videos and a readme file with information about installing the plugin and what the plugin can do.
Before beginning to work with JNG files in Photoshop, first ensure that you have these materials in place:
1. The Photoshop JNG File Format documentation.
2. The Photoshop CS6 JNG File Format Documentation.
3. A good reference for the Photoshop file format.
4. A thorough understanding of how to work with the file format.
This software is a trialware version, which means it is free to use but requires a license to be purchased in order to receive technical support.
To purchase the full version of the software, please visit
The JNG file format is similar to the MNG file format. The JNG file format includes JPEG datastreams, each of which is preceded by a PNG-style chunk. The MNG file format plugin includes the ability to open/ save and edit the JNG file format. You can also open/save standalone JNG files.
Re: JNG file plugin [V.2]
Re: JNG file plugin [V.2]
Does this plugin also let you open/edit.MNG files? The.MNG file format appears to be somewhat similar to the.JNG file format, although it’s not a superset of JNG files, and has been around longer than JNG files.
There are open source JNG plugins for plugins like Winzip, but I believe the closest that there is to a paid commercial plugin is “jng-open” for Adobe Photoshop CS3. I’m sure that there are other, more stripped down commercial plugins around, but I can’t find anything in a quick search.
I’m sure that someone out there can help.
WinRAR does NOT have support for the JNG file format.
I’ve been using FreeArc and ARJ for quite a while now.
ARJ is Free and it works as a standalone file archiver with all the functions of WinRAR.
I’ve been using it for the past 2 years.
I do not feel like paying for a software when I can use something else that is free.
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Adobe first introduced the JNG file format in May, 2003. This format encapsulates a JPEG datastream in PNG-style chunks. Although JNG was mainly a MNG sub-format, standalone JNG files are now possible with the JNG file format plugin. (Adobe also offers software to create JNG files, called JPEG Jitter.)
The JNG file format is an open standard, which means that other companies than Adobe have been free to adopt or modify it. (For instance, Microsoft released a JNG reader and a JNG encoder.)
Although JNG files can have a 1:1 pixel correspondence with JPEG files, there is no functional penalty for using PNG chunks instead of JPEG chunks for individual pixels.
Although JNG files are much larger than equivalent JPEG files, the complete JNG files can fit in as little as 1.5MB of space.
With the JNG file format plugin, you can open, save and edit JNG files on the desktop and in your workspace.
The JNG file format plugin provides various options to control the file format and to customize the application to your needs.
*Note: The JNG file format plugin does not include any support for compressed JNG images.
JNG is “Joint Photographic Experts Group” which are the guys who defined JPEG. If you’re looking to convert JPEG to JNG format then you’ll need something like the JPix plugin. I believe it’s now available through the Adobe website and comes with version 6 of Photoshop.
Photoshop has native support for JNG. However, you need the JNG plugin, which you can download on the Adobe website for any version of Photoshop, or it can be found in the downloads section for Photoshop CS4.
This is the official plugin page. The JNG plugin is free but you need a valid license for any version of Photoshop.
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The JNG format encodes a JPEG file using the “JPEG Network Graphics” extensions that allow a few tweaks to the JPEG compression setting.
As a result, the file is smaller and faster to load.
On top of this, it also offers the convenience of being able to view the image as a “JPEG” file, but with a few extra “extra” parameters which are used by the JNG codec.
To open a JNG file, drag-and-drop it into the Photoshop window. When Photoshop displays it, go to File and click on the Import button.
If you need more information about the JNG format, will provide a good start.
Some information about the codec and the format of the JNG format file:
The JNG format consists of an ID3 file containing information about the JNG file and the compression settings.
The compression settings can be accessed through the “Window” menu (see Figure 1.)
The ID3 file contains an array of tags which specify the JPEG encoding parameters used to compress the file. The parameters are the three basic settings and then a range of “extra” settings.
The range of “extra” settings include:
Color Settings: specify a smaller palette size
* Windows 10 64-bit, Windows 8.1 64-bit, Windows 8 64-bit, Windows 7 SP1 64-bit
Intel® Core™ i5-3320 or equivalent
AMD Ryzen™ 5 CPU or equivalent
4GB of RAM
NVIDIA® GTX 660 or equivalent
Intel® HD Graphics 520 or equivalent
8GB of RAM
Intel® HD Graphics 615 or equivalent
1TB of available storage
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