5 Best Apps to Resize Your Photos on Mobile Devices without Quality Loss

There are many reasons why you need a photo resizer app for your iPhone or Android device. Today, our entire lives are now cataloged digitally due to mobile everywhere. That means that photos become larger and larger since advanced lens built-in handsets. The problem is that social media does not accept large photos. On the other hand, you may need to upscale your images in order to get more detail sometimes.

Photo Resizer App

Part 1: 5 Best Photo Resizer Apps

Top 1: Image Size – Photo Resizer

Image Size

Platform: iOS 9.0 or later and Android 4.4 and up

Price: Free with in-app purchase

As its name said, this best photo resizer app allows you to change image size to whatever you like on both iPhone and Android devices. Moreover, you can view ads to exchange free features.


  • Resize an image manually.
  • Crop photos with fingers.
  • Convert to another photo format.


  • Ads are annoying.
  • It cuts your photos when enlarging.

Top 2: Pixlr


Platform: iOS 10.0 or later and Android 6.0 and up

Price: Free with ads and in-app purchase

Pixlr is one of the best picture resizer app for both iPhone and Android devices. Similar to Image Size, it lets you get free features by viewing ads. You can resize photos manually or with presets.


  • Alter entire image size.
  • Keep the original proportion.
  • Change canvas size.


  • Advanced features require payment.
  • There are too many features.

Top 3: Resize It – Image resize

Resize It

Platform: iOS 8.0 or later and Android 4.0.3 or up

Price: Free with ads

Resize It is one of the best free app to resize photos on iPhone and Android. There is no option related to payment, subscription or in-app purchase. All features are free and supported by ads.


  • Free to use.
  • Change image size accurately.
  • Convert format along with photo size.


  • There is no photo editing.
  • You cannot remove ads.

Top 4: ReSIZER – Simple Photo Resizer


Platform: iOS 11.0 or later

Price: Free

If you are looking for the best photo resizer app for iPhone, ReSIZER is a good choice. It is completely free to use. Moreover, it is pretty simple and beginners can understand it quickly and easily.


  • Batch resize photos.
  • Decide the quality.
  • Safe to use.


  • The output formats are limited.
  • It will delete metadata from photos.

Top 5: Photo Compress 2.0 – Ad Free

Photo Compress

Platform: Android 3.2 and up

Price: Free

Photo Compress is both the best app to resize photos on Android and shrink your photo file size. It lets you compress, resize and crop your photos on smartphone and determine the quality.


  • Totally free of charge.
  • Resize multiple photos at once.
  • Share resized photos directly.


  • It is not available to new devices.
  • It may crash when processing large photos.

Part 2: How to Resize Photo Online for Free

Although smartphones are able to take photos, they are really not a good place to edit them. It makes sense that more and more people switch to computer and retouch photos on PC or Mac computer. Aiseesoft Image Upscaler is the best free photo resizer app for Windows 10/8/7/XP/Vista and Mac OS X.

How to Resize a Photo Online for Free

Step 1:
Visit https://www.aiseesoft.com/image-upscaler/ in a we browser and click the Upload Photo button in the home page. Then follow the onscreen instructions to upload a photo. It is compatible with JPG, PNG, JPEG, BMP, and more.
Upload Photo
Step 2:
Then select the Magnification, like 2x, 4x, 6x, or 8x. Preview the result and compare it with the original one. The image size appears under each of them.
Step 3:
If you are satisfied, click on the Save button and it will be downloaded to your hard drive.

Part 3: FAQs about Best Photo Resizer App

How to shrink a picture?

The best way to shrink a picture is to resize and downscale the size. To get it, you will need a photo resizer app for your device.

Can I crop a picture without zooming in?

Yes, you can crop a picture without enlarging it. All you need is a photo editor lets you do the job on your computer or mobile.

How to resize a JPEG image for Instagram?

JPEG is a commonly used image format and most photo resizer app is able to resize it quickly. Read on How to Resize an Image or Picture for Posting on Instagram.


Now, you should master at least top 5 best photo resizer apps for iPhone and Android devices. Sometimes, you need to make a large picture or downscale your photo size. These apps can meet your need on your mobile devices. However, Aiseesoft Image Upscaler is a good alternative solution to do the job on computer. You can use it to enlarge any photo without losing quality. If you have more questions, please write down below.

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