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How to Compress Photos

Bennett Conlin
Bennett Conlin
Staff Writer
business.com Staff
Updated Jun 29, 2022

There are a few easy ways to compress image files.

enhance a brand’s reputation.

Your business needs to know the basics of image sizing and editing. You don’t need to be a graphic design expert; resizing images and compressing photos is something everyone can easily learn.

What is photo compression?

Photo compression, or image compression, is a process that reduces an image’s file size so that it takes up less memory in your computer without downgrading the image’s quality too much. Compressing photos is not an overly complicated process, and it’s a good way to save computer memory.

Why do we need image compression?

Compressing photos saves space on your computer and makes them easier to email or post on the web, as the photos will take up less memory. Compression is a helpful tool, especially if you need to alter an image for your website or a social media marketing post. Since it’s not too difficult to compress photos, there’s no reason to shy away from the process due to initial lack of knowledge.

Did you know?Did you know? Image optimization is a best practice for posting images online, and compressing them to reduce file size is one popular way to optimize images.

How to compress photos

Photo compression takes just a few steps and can be done using a variety of software. If you don’t know how to compress photos, here are the steps using different types of software. Even small business owners or entrepreneurs who rarely use computers can figure out how to compress image files.

Compressing photos using image-editing software

If you’re looking for photo-editing software, there are dozens of quality options. You can use advanced platforms like Adobe Photoshop or the simplified, less expensive versions like Adobe Photoshop Elements to perform image edits.

If you’ll only use photo-editing software to compress or resize a few images, don’t pay for a service like Photoshop when you can use a free option like Paint.net or the GNU Image Manipulation Program, better known as GIMP. These free alternatives tend to be well regarded and should be simple enough for new users to pick up.

Follow these steps to compress your images using photo-editing software:

  1. Open the photo you want to compress in your photo-editing software.
  2. Go to the file menu in your software and choose Save As or Save.
  3. Click on Options in the pop-up menu.
  4. Select High Compression in the Photo Compression section of the menu.
  5. Select Lossless Encoding in the Encryption section. This will help to save the integrity of the photo.
  6. Click OK.
  7. Hit Save. Your computer will compress the photo and save it.
  8. If you are saving the photo as a JPEG, you may lose quality, so the photo needs to be protected while compressing. Saving your photo in a format other than JPEG – such as TIFF, PNG, GIF or BMP – will help prevent quality loss.

Image editing can be tricky at times, so it’s a good practice to save an original copy in case something goes wrong during the process. It’s never a bad idea to use a duplicate image to make changes.

TipTip: If you are afraid of messing up the original photo, always use Save As to create a compressed version that is separate from the original. Then, if you ever need the original version, you’ll have it saved.

Compressing photos using Microsoft Word

Microsoft Word is another option for image compression. Follow these steps to compress your images using Microsoft Word:

  1. Open Microsoft Word and open a new Word document.
  2. Click on the Insert tab on the top left side of the screen.
  3. Choose the picture icon from the list of choices.
  4. A list of files on your computer will pop up. Select the picture file you want to compress by double-clicking on it. The picture will be added to your document.
  5. Click on the picture. Under Picture Tools, select the Format tab. In the Adjust group, choose Compress Pictures.
  6. A pop-up screen will give you options. Either click OK to accept the default resolution or choose the quality of the photo compression by ticking the box beside the option you want and then press OK.
  7. Save your document and the photo will compress.

If you just want the photo to appear in the document without a lot of white space around it, then you will need to change the size of your document to the size of your photo, or as close to the same size as you can get. Here’s how to do that:

  1. Go to the Layout tab at the top of the Microsoft Word screen.
  2. Click on the Size icon from the Page Setup group.
  3. Select your custom paper size.
  4. Save your document.

Compressing photos on a smartphone

If the images you need to compress are already saved on your smartphone, you can use mobile editing apps like Instasize to compress them. Open the photo, edit the image according to your preferences, and save the photo back to your phone’s gallery. The saved image will come in a smaller image file size, and you’ll be able to play around with filters, borders and stylized text in one go.

Compressing a JPEG file

Whether you’re using a JPEG or any other image file, the process to compress the image should remain largely the same, but with JPEG files, you risk losing resolution when you compress images. If the image is large, you can use Microsoft Paint to resize the image, which should reduce the file size as well.

  1. Open the image in Microsoft Paint.
  2. Select the image and use the resize button. Select whatever image dimensions you like and keep the Maintain aspect ratio box checked.
  3. Click OK and the image will resize.
  4. If you want to crop the image, use the Select button to choose the portion of the image you want to keep, then click Crop.
  5. Save the image.

You can also compress a JPEG file using some of the other methods we shared above. It depends on your preference and your business’s software capabilities. Compressing JPEG images isn’t rocket science, and platforms like Photoshop, Word and Paint can all get the job done.

Photo compression FAQs

Want to know more about photo compression? Here are some common questions.

What are the two types of compression?

Photo compression can be lossy or lossless. Lossy compression is commonly found with JPEG images, and it removes some of the file’s original data to result in a smaller file size. Lossless compression, such as ZIP files, doesn’t reduce the quality of the file, but it also doesn’t reduce the file size as much as lossy compression.

How does photo JPEG compression affect image quality?

When you compress an image, the compressed version contains less file information. This can reduce the quality of certain photo details such as color, sharpness and contrast. Saving photos in a compressed format such as JPEG also reduces the memory space each photo takes up.

Can you uncompress a JPEG?

No. If you compress a JPEG file, you will not be able to regain its quality by converting the file back to its original lossless form. Instead, it is advised that you save a separate copy of the original file if you wish to keep its original quality.

Skye Schooley contributed to the writing and research in this article.

Image Credit:

Gorodenkoff / Getty Images

Bennett Conlin
Bennett Conlin
business.com Staff
Bennett is a B2B editorial assistant based in New York City. He graduated from James Madison University in 2018 with a degree in business management. During his time in Harrisonburg he worked extensively with The Breeze, JMU’s student-run newspaper. Bennett also worked at the Shenandoah Valley SBDC, where he helped small businesses with a variety of needs ranging from social media marketing to business plan writing.