5 Ways to Convert JPEG to JPG
Images have been a popular way to deliver your message and express feelings. Among various image formats, JPEG and JPG are often used interchangeably. But they may be leading to confusion for some users. You might have come across the need to convert a JPEG to a JPG or even wondered if there’s a real difference between the two formats. This article will walk you through their distinctions and provide 5 methods to convert JPEG to JPG easily.
Part 1. What Are JPEG and JPG?
JPEG (Joint Photographic Experts Group) and JPG are both popular image formats used widely across the web and in photography. Technically, they are the same, with JPG being a shortened version of JPEG.
In earlier versions of Windows (specifically MS-DOS 8.3), file extensions were limited to three characters, so JPEG became JPG. On modern systems, both extensions work the same way.
Additionally, there’s a related format known as JPG 2000, which was developed to improve upon the original JPEG standard. JPG 2000 supports better compression, improved image quality, and additional features like transparency. However, it's not as widely adopted as JPEG and JPG.
Check the detailed differences of JPEG, JPG, and JPG 2000:
| Measurement | JPEG | JPG | JPG 2000 |
|---|---|---|---|
| Compression Type | Lossy | Lossy | Lossy/Lossless |
| File Extension | .jpeg | .jpg | .jp2 |
| Image Quality | Good | Good | Better |
| Transparency Support | No | No | Yes |
| File Size | Medium | Medium | Smaller |
| Adoption Rate | High | High | Low |
| Compatibility | Universal | Universal | Limited |
| Compression Ratio | 10:01 | 10:01 | 50:1 (lossy) |
| Editing Support | Broad | Broad | Limited |
| Use Case | Web, Photography | Web, Photography | Archiving, medical |
In most cases, there is no need to convert between JPEG and JPG, but if you come across software that only accepts one format or needs a smaller filename, converting is a straightforward process. Let’s explore the various methods to do so.
Part 2. How to Convert JPEG to JPG
Method 1. ArkThinker Video Converter Ultimate
ArkThinker Video Converter Ultimate is a versatile tool that can handle a variety of media file conversions, including image formats like JPEG and JPG. Under its toolbox, it provides over 20 tools to edit and refine videos, audio, and images. Its image converter lets you batch-change JPEG to JPG without effort. Besides, it is compatible with Windows and Mac computers, and you can use this JPEG-to-JPG converter freely on a desktop computer.
Download and install ArkThinker Video Converter Ultimate.
Navigate to the Toolbox tab and select Image Converter.
Click on the big plus button to add the JPEG image files.
Choose JPG as the output format. If you need, just click the gear button to adjust the quality and zoom value.
Click Convert All to start the conversion process.
This tool offers bulk conversion and supports high-quality output. Its simple interface and fast conversion are what most users like. But its free version only supports 5 files.
Method 2. ArkThinker Free Image Converter Online
For a completely free option, Arkthinker Free Image Converter Online allows you to convert JPEG to JPG without any downloads. Although it is a free online JPEG-to-JPG converter, it lets you convert multiple images at one time. Moreover, it is very easy to make the conversion within 3 steps.
Visit the ArkThinker Free Image Converter website. Select the output format as JPG by ticking the box of JPG.
Click the Add File to Start button to upload your JPEG files. Once the process is done, this freeware will automatically convert JPEG to JPG instantly.
After the conversion is done, just click the Download All button to save all your converted JPG files. Or, you can save the specific images by clicking the Download option next to each image file.
This online method is very convenient to make the JPEG to JPG conversion on the web via your computer or mobile phone browser. It is free to use, but it only supports up to 40 files and 5MB each.
Method 3. Rename the File Extension
Sometimes, simply renaming the file extension from .jpeg to .jpg is sufficient, as both formats are technically the same. And the steps are easy to follow.
Right-click on your JPEG file and select Rename.
Change the file extension from .jpeg to .jpg.
Press Enter to confirm.
This method requires no software and is very fast to do. The only drawback is that you need to rename each JPEG file one by one. And, sometimes, it may not work in all situations if file associations are strict.
Method 4. IrfanView
IrfanView is a popular and lightweight image viewer that also supports basic image conversions from JPEG to JPG. Using IrfanView, you can quickly convert JPEG files to JPG by simply saving the file with the desired extension. The software is known for its speed and simplicity, making it ideal for basic image conversions without compromising quality. Additionally, IrfanView offers batch processing features for converting multiple images at once.
Download and install IrfanView. Open the JPEG file in IrfanView. If you want to convert PNG to JPG, here just need to upload the PNG file.
Once the JPEG file is open in IrfanView, go to the File menu again.
A dialog box will appear, allowing you to choose the file format and location to save the new file.
”Click
This is a Lightweight image viewer and converter tool, but its interface may seem outdated to some users.
Method 5. Preview on Mac
Preview on Mac is a built-in image viewer and editor that can also function as a quick and easy JPEG to JPG converter. Since JPEG and JPG are essentially the same format with different file extensions, Preview allows you to open a JPEG image and export it as JPG by simply using the Export option under the File menu. You can choose the desired format, adjust quality settings, and save the file with a .jpg extension, making it a convenient tool for converting images without needing additional software.
Open the JPEG file in Preview. Double-click the file to open it in the Preview app. If Preview is not the default app, right-click on the file, select Open With, and choose Preview.
Once the file is open in Preview, click on File in the menu bar at the top left corner of the screen. From the drop-down menu, choose Export. This option allows you to save the file in different formats.
In the Export dialog box, you'll see a Format dropdown menu. Ensure JPEG is selected, as Preview does not distinguish between JPEG and JPG.
Below the Save As field, you can manually change the file extension from .jpeg to .jpg if necessary. Simply delete the e in .jpeg to make it .jpg.
If you want to adjust the image quality, use the Quality slider. Moving it towards Best increases quality but also the file size.
Choose the destination folder where you want to save the converted file. Click Save to complete the JPEG to JPG conversion.
This is the built-in method of converting JPEG to JPG on Mac. Also, it is very easy to complete the conversion. However, it is limited to Mac users.
Conclusion
Converting between JPEG and JPG is generally straightforward and often unnecessary, as they are essentially the same format. However, if you ever need to make the change, the methods outlined above provide 5 options. Feel free to try the methods that work best for you, and remember, both formats offer the same image quality and functionality!
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