The Ultimate Guide to Resizing JPG/JPEG Images for Different Devices

Last Updated on November 28, 2022 by Peter Wood

JPG/JPEG format is the most frequently used file format, which applies a lossy compression method used to ensure the digital images being used are as small as possible. What should you do to resize JPG images if the files are still too large to email or website? Is there a method to reduce JPEG or JPG size without losing quality? Here are 4 workable methods to make JPEG/JPG smaller from the article.

Resizing JPG/JPEG Images

Part 1: All-in-One JPG Resize for Win/Mac

WidsMob ImageConvert is a versatile photo converter to make JPG files smaller. It not only provides 4 different modes to resize the photos but also converts JPEG/JPG files to much smaller WebP or AVIF file formats. Besides, you can also customize the presets for JPEG resizing in different scenarios in just one click.

1. Resize JPEG and JPG in width, height, free, and resolution in batch.

2. Custom presets to resize the JPG, rotate files, and add watermarks.

3. Convert JPEG/JPG to AVIF and WebP without losing original quality.

4. Provide editing features to rotate, resize, rename and add watermarks.

Win Download Mac Download

Step 1: Download and install WidsMob ImageConvert, you can launch the program and click the Import button to upload the JPG files you want to resize. Moreover, you can drag-n-drop multiple JPG photos into the program for a batch process.

Import Image for Upscale ImageConvert

Resize JPG For Email

Double-click the JPG files you want to resize for an Email. You can enable the Resize option in the left menu and choose the Free mode to resize the JPEG size for the JPG files. Enter the desired resolution to make sure the JPG files are within 25MB or 20MB.

Free Mode Resize ImageConvert

Resize JPG for Passport with Presets

When you need to resize JPG passport images for printing, you can simply customize a preset, including the resize parameters, rename methods, and more beforehand. After that, you only need to go to the Custom option under the Presets menu to choose it for JPG image resizing.

Passport Resize Presets ImageConvert

Resize JPG for Website, Convert JPG to AVIF

If you need to resize JPG images for a website with a much smaller size and preserve the original quality, you can either convert JPG to AVIF or WebP. Once you have edited the photos, you can click the Batch Convert button and choose AVIF as the output format.

Convert JPG to AVIF ImageConvert Win Download Mac Download

Part 2: How to Resize JPG/JPEG Online

Is there a method to resize the JPG images for the website online? Yes, there are dozens of JPG file resizers online. PicResize is one of the most frequently used online tools to reduce JPEG files. Moreover, you can also decide the file size and image quality before resizing.

Step 1: Go to, you can click the From Computer button to import the JPG files from your computer. Moreover, you can also drag-n-drop the desired JPG files for a batch process. After that, click the CONTINUE TO EDIT PICTURE button to continue.

Step 2: Once you have been directed to the editing window, you can crop an area, rotate/flip the files, and make other changes. It provides 6 default resizing JPG methods and the custom one, which you can choose the suitable one according to your requirements.

Step 3: Moreover, you can also choose the JPG Quality as Good and even enter the JPG Max File size, such as 20MB for Email, After that, you can click the I’M DONE, RESIZE MY PICTURE button to make a much smaller JPG file online accordingly.

PicResizer Crop Photo Win Download Mac Download

Part 3: How to Resize JPG on Android/iOS

Resize a JPG with Photos on an iPhone

As for iPhone or iPad, you can simply choose the default Photos app to crop a JPG and make it smaller. If you just need to shrink the size of the JPG files, you can download a photo editor app to resize the JPG or JPEG photos on your iOS devices.

Step 1: Tap on the Photos app and select the desired image you need to edit. Choose the Edit menu in the upper right corner. It will direct you to the editing page of Photos.

Step 2: Select the Crop button at the bottom right corner. After that, you can choose the corresponding crop ratio and drag the crop box to resize the JPG images on your iPhone.

Step 3: Preview the effect for the resized image. You can simply tap the Done button to save the photo. Tap on the three-dots icon to add to another album, revert to the original, and more.

Resize JPG Via Photos

Resize a JPG via Google Photos on an Android phone

When you need to resize a JPG on an Android phone, you can simply take advantage of Google Photos to make some changes. It not only works with the photos from your Android phone but also handles the files within the Cloud service easily.

Step 1: Open the Google Photos app on your Android phone. After that, you can select the image you need to resize from Google Photos or the Gallery app of your Android phone.

Step 2: Tap the Edit button in the toolbar to enter the image-editing window. After that, you can tap the Crop option at the bottom right corner to resize the photo accordingly.

Step 3: Make other changes in the image according to your needs, and then click the Save button to save it. Of course, you can follow similar steps to share with others.

Crop Photo Google Photos Win Download Mac Download

Part 4: FAQs about Resizing JPG Image

1What is the difference between JPG and JPEG?
Both JPG and JPEG are raster images, which are abbreviations for that same ISO sub-committee. The difference is the time for naming the two extensions. There are some major differences between JPG and JPEG 2000, such as the file quality, compression technology, and decoding.
2Should I resize JPG to AVIF or WebP?
In depends. Both AVIF and WebP are the latest photo formats with advanced compression algorithms. But there is a major restriction. The file formats are not fully compatible with most devices. When you need to resize JPG images for a website, it is an optimal choice.
3Should I choose Photoshop to resize JPG images?
In depends. Photoshop has some advanced features to resize JPG images, especially for the Web output. But if you just need to handle a few JPG files, you do not have to subscribe to the service. Instead, you can choose either one mentioned above.


The article shares multiple methods to resize JPG files, whether you need to crop the area or shrink the file size. It is not difficult to find a method to make the JPG smaller, but how to make a balance between the size and quality is hard to choose. Just download WidsMob ImageConvert and try the methods mentioned above to get the answer.

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