convert-to-jpeg

convert to png

JPG vs JPEG: Understanding the Most Common Image File Format

Website owners come across image files often. While you don't have to be an image expert to edit images and upload them on websites, you should familiarize yourself with the most common formats for files such as JPEG. Or is it JPG?

In this article, I'll give the JPG in a JPG vs JPEG comparison to help you comprehend what the differences are, as some other information to aid you in uploading the highest quality images possible to your website to provide the best user experience. If your looking for more in-depth information on the latest .webp format we've got it covered too.

Ready? Let's get started!

Table of Contents

1. What is JPEG?
2. What is JPG?
3. JPG vs JPEG: Similarities Between the Two
4. JPG vs JPEG 2000
5. Convert Image Files to JPG: Common Methods

convert to jpeg

As a website administrator working with images, you've likely encountered an image file in the format JPEG sometime in the process of editing and uploading.

Did you know that the word JPEG can actually be a reference to three different things?

Then, we're here in order to clarify all of them:

1. JPEG Lossy Compression

When you upload images to your website be sure to ensure you don't influence your website's speed and performance by uploading big images that consume a lot of resources and take a long time to load on the frontend of your website. In fact, all website administrators should optimize their websites in some way so that they can reduce the file sizes of their images while preserving the loading times as well as the user experience.

That's the point where JPEG can be useful. JPEG is a lossy compression process used to ensure that digital images utilized are as compact as is possible and load as quickly whenever someone wishes to look at them.

Here are a few points to be aware of about lossy compress:

• The file size of the image that is compressed is reduced permanently by eliminating any unnecessary ( redundant) informationfrom the image.
• Image quality isn't perfect however, but it's usually so minor that the average viewer isn't able to tell.
• When compression is being performed, every pixel is compared with pixels surrounding it by a ratio ranging from 2:1 up all the way to 100 times one ( any pixels that exactly match the original pixel are then eliminated since they are deemed unneeded).
• JPEG lossy compression is commonly employed for photographsand complicated still images.
• Once you have compressed an image by lossy compression, you decide how big the file is and what Quality trade-off ( e.g., smaller files = worse image quality).
• If you edit and save an image you do and save, the less professional the image of the image will be.

If you're skilled in editing images using lossy compression, there's an opportunity to improve the image's quality, while reducing its size. This is done using RAW JPEG images editing, making changes, and save the image just once.

convert to bmp

If you're not sure whether you want to use JPEG lossy compression of the images on your site there's an alternative lossless compression.

Lossless compression allows your images to be saved in a completely various formats ( usually PNG). While the quality of the image will never be compromised since the information has been removed, keep in mind that even with lossless compression, the final measurement of your images will always be bigger than the one created by lossy compression. This could lead to more time to load your pages.

2. Joint Photographic Experts Group (JPEG)

JPEG refers to the Joint Photographic Experts Group, which is the name used to describe the sub-committee who helped develop the JPEG standard in addition to other standards for still pictures belonging to the larger group called ISO.

The first JPEG standard was published in the year 1992 by ISO ( International Organization for Standardization). ISO will be responsible for creating documentation with the intention to "...provide requirements such as specifications, guidelines, or other attributes that can be used consistently to ensure that the products, materials processes as well as services are suitable for purpose."

ISO establishes standards for many things such as digital images as a way of providing users and consumers with the top quality products and services.

Image source: Wikimedia Commons

This international organization is a open group of individuals with members from over 164 countries which makes it the largest in the world for development of standards.

3. JPEG as a File Format

The other way JPEG is employed is when the term refers to a specific file format or a way to store the digital image. This is most likely how you're familiar with JPEG since it's one of the file format alternatives you can use to save an image after editing it.

JPEG file format

Here are some interesting facts regarding The .jpeg files format.

• Most common image file formats used in digital cameras as well as other imaging devices.
• Colors are supported by 16,777,216. They are created by using 8 bits each of the RGB Color Model.
• It can display greater than 16 millions colors simultaneously which makes the color scheme and contrast resolution near perfect.
• Supports a maximum of 65,535 x 65,535 pixels.
• It reduces the dimensions of images by 50-75 percent ( because of lossy compression) when it is saved

In addition, this file format isn't ideal for pictures with sharp edges because the colors blend in more than if it were saved as .png that displays individual pixels in a mixture.

So, let's now find out what JPG is.

What is JPG?

What is JPG when compared JPEG? JPEG?

File extensions in Windows

It's true that when it comes to .jpeg and .jpg it's true that that there is nothing difference between themexcept the number of characters.

Crazy right? Let us explain.

The term JPG is used to refer to earlier version of Windows operating systems. In particular, the MS-DOS 8.3 along with FAT-16 systems included a maximum limit of 3 letters for name of the file, in contrast to UNIX-like operating systems like Mac or Linux, which didn't have this limitation.

That's why, on Mac or Linux systems images that were saved as JPEGs included the file extension .jpeg. However, when saving these same types of images on Windows The file extension had to be shortened to .jpg to ensure that it doesn't exceed the limit of 3 letters.

Nowadays, Windows operating systems accept 3- and 4-letter file extensions, such as .jpeg or .jpg. However, because so many people are using Windows for so long and are used to saving images in JPG format that they've been using for a long time, they've never stopped. Because of this, software for editing images like Adobe Photoshop and GIMP save all JPEG images automatically to the .jpg extension for files for equally Windows and Macs to prevent confusion.

JPG vs JPEG: Similarities Between the Two

Okay, now you understand there's a difference between .jpeg and .jpg files are exactly the similar thing. To bring that point home, and help you remember this information into the future, let's look at the similarities of JPEG images and JPG images.

1. Both Are Raster Images (Not Vector Images)

Computer images can be made as vector or raster images. And since JPEGs are raster images, then so are JPGs.

Graphics called bitmaps are images. A bitmap is an image that is composed of tiny pixels that when put together create an entire image. In other words, raster photos are made up of little squares ( or pixels) of color every one of them coded in a unique hue or shade . When taken together form an picture that makes sense to examine.

Image source: PrintCNX

Here's more information on raster images that will provide you with a better understanding of:

• Ideal for images that are not lined like photographs or scans of artwork or even detailed graphics.
• They're characterized by subtle hue and shade gradations . They also have very vague lines and forms.
• Due to their pixel-based nature, they suffer quality issues when blown up in size ( they become jagged and expose individual pixels).
• They are defined and displayed at a particular resolution. It is defined as dots per inch ( dpi).
• The greater the dpi, more resolution and visual effect of the photo.
• Common raster formats for raster files include: TIFF, JPEG, GIF, PCX and BMP files.
• Raster images constitute considered to be the Web standard, and they will be used in all images that are found on the internet.

Also, JPEGs as well as JPGs aren't vector images..

Image source: PrintCNX

Here's some information about vector images to ensure you can understand the difference:

convert-to tiff

Do you want to know how we increased the amount of traffic we receive by more than 1000%?

Join over 20,000 others to receive our weekly newsletter that contains insider WordPress Tips! Subscribe Now!

• Images are based on mathematical formulas that define geometric forms such as lines, polygons and curves, circles and rectangles.
• Perfect for straight-edged pictures like line art.
• Since there aren't color variations, they are ideal for flat photographs that are uniformly colored.
• Use popular images such as logosas well as letterhead, letters and fonts.
• Scale up or down without any loss in quality as they don't rely on pixels to create the complete.

2. Both Terms Mean the Same Thing

Remember when we spoke about the term JPEG and the way it stood as the Joint Photographic Experts Group? You've probably guessed; Both JPEG and JPG are abbreviations of that identical ISO sub-committee.

3. Both Are Used for the Same Image Types

Because they're raster images that are not vectors, each of the .jpeg and .jpg format files are most suitable to be used for digital photography. Digital photographs contain a variety of color gradients that look seamless when you save them as raster JPEG/JPG pictures. Visitors to your website will always be able to see a stunning photo when it's saved as a .jpeg/.jpg file and then uploaded to your website.

Learn more about image files types and their impact on your website.

4. Both Lose Some Quality When Saved

Because the .jpeg compares to .jpg comparison is not valid ( because they are identical) So it is reasonable to assume that the compression technique employed for each format of file -lossy compression causes a loss in image quality when the size shrinks.

In addition, this means that no matter what file extension you use ( either .jpeg or .jpg), your image's file size will be smaller than what it was before and will result in faster loading speeds when uploaded to your site and viewed by site visitors.

In the final analysis, JPEGand JPGs are the same and have several primary uses for reducing the size of the images' files for better web viewing and give people an easy way to compress their images on saving. They can also name the file using a popular file extension that is recognized by a large number of.

If you ask yourself this question: JPG vs JPEG which is the better choice? From there, do not think too much because there is no difference. Both are the same, and whichever one you choose, is just a matter of preference.

JPG vs JPEG 2000

If you've ever been in search of information about JPEGs and JPGs, you might have come across the term JPEG 2000and wondered what in world it meant. After all, that's not an option for most image editing software.

JPEG 2000 was an image encoder developed by the Joint Photographic Experts Group in 2000. The system was designed to be superior to the JPEG standard currently in use. In reality, it was created to enable lossless compression on Images by using the most advanced compression techniques on a discrete wavelength transformation.

If you're uploading lots of photos and images on your site, you won't need to load unresponsive pages to your customers aren't you? We offer super-fast servers and 24x7 support by WordPress experts. Explore our plans

It offered people a way to boost their images and save the images in JPEGs, without degrading the quality of the image.

Here are some of the most significant features of JPEG 2000:

• advanced Compression techniques:unlike standard JPEGs, JPEG 2000 was able to provide lossless and lossy compression ( even on a single image file).
• Progressive Decoding:enables viewers to view a lower quality version of an image while the entire process is running as background. As more data downloads, it improves the quality of the picture for the user.
• Higher Compression Ratios:when it comes to lossy compression JPEG 2000 allows you to reduce the size of an image from 20-200% greater than JPEG, while maintaining the same image quality compared to a JPEG image of the same resolution.

In addition, JPEG 2000:

• Transparency preservation for images.
• Can provide bi-level, grayscale palette-color, full-color and bi-level images.
• It can contain unlimited amounts of private or special-purpose information within metadata.
• Larger image sizes can be handled ( greater than 64K pixels) and without tilting.
• Ultra-low latency, which is particularly useful for live TV content.
• Scalability, both in resolution and quality.

JPEG 2000 Limitations

While JPEG 2000 includes a lot of outstanding features and appears to be the next-best format for digital images for coding, there are reasons why it is still not the most popular format for many people:

• There is no Universal browser compatibility ( only supports Safari).
• incompatible that works with JPEG ( must encode in a new format and work with original JPEG).
• Encoding JPEG 2000 files can be extremely CPU-intensive, which could strain servers and cause them to slow down.
• A lot of cameras and websites aren't ready for the format simply because it's not widely accepted.

Due to its limitations you'll find it difficult to find any JPEG 2000 file format as an option while saving your digital photos. While it's better than JPEG, until it is universally accepted in the future, you'll likely run into a number of compatibility problems, making your job harder as a webmaster more than it is.

Convert Image Files to JPG: Common Methods

There are plenty of ways to archive your online images as .jpg as well as .jpeg files. Let's explore the most common.

1. Windows Paint

If you're using Windows you are able to save any image in .jpeg or .jpg using Windows Paint. Simply upload your image to Windows Paint, go to the File menu, selectthe menu, then Save As, choose the destination of your file, give it a name, and then save your imageand choose JPEG (*.jpg, *.jpeg, *.jpe, *.jfif)from the drop-down menu.

Windows Paint

Click save.

2. Affinity Designer

Affinity Designer is comparable to other image editing software programs such Adobe Photoshop. To save images as JPG, you must first save it as JPG with a software such as this, you must first open the application and uploading your image. Edit the image as you like and then click File> Export.... Select the JPEG icon, choose your preferred quality ( best, high medium, or even low) then click to export.

Affinity Designer

If you do, the When you do, the Save As dialog will open and you can pick a destination, then name your image, and ensure that you are saving the file as a JPG.

"Save as" in Affinity Designer

Click Save.

3. Online Converter Tool

If you're looking to convert images to JPG, there are many free online tools for converting images to JPG that can help. For example, FileZigZag is a free online file converter that's easy to use. Just drag and drop the image file onto the program or upload it select the type of file to convert the image into entering an email address, then click "Convert".

Convert png file to jpeg FileZigZag

Naturally, you'd not want to hand over your email in exchange for converting your image into a JPG. We've also compiled various other premium and free solutions for you to check out:

• XnConvert : perfect for advanced editors who require a variety of image file formats, as well as the ability to batch convert, and to use Windows, Mac, or Linux.
• Zamzar :a free online tool that can be used by people who have larger pictures ( up to 50MB) who want the option of having the final result sent to them electronically or not.
• Adapter : a simple image converter which supports batch images. It is also able to convert images immediately and is compatible with both macOS as well as Windows.

Of obviously, these are one of the choices you can select if would like to convert images to JPG.JPG vs JPEG: What's the difference? What is JPEG 2000? Find the answer (and more) in our extensive guide! CLICK TO TWEET

Summary

JPG and JPEG are the most commonly used extension of files and compression methods for people looking to store and save digital images. This is especially relevant for webmasters who want to display attractive images and offer a top user experience.

It's a good thing for you that no regardless of whether you like .jpeg, .jpg or .webp file types, you're going be able to achieve the same result: beautiful images that load blazing fast for site users.

Reduce time, money and maximize the performance of your site with:

• Help is available immediately Instant assistance from WordPress experts in hosting, 24 hours a day.
• Cloudflare Enterprise integration.
• Reaching a global audience with 28 data centers in the world.
• Optimization through an integrated Application Performance Monitoring.

All of that and much more, in one plan with no long-term contracts, assisted migrations, and a 30-day-money-back-guarantee. Explore our plans and talk to sales to find the plan that's right for you.

Use this tool to compress image