Best Photo Size Converter Apps

250+ iOS apps curated and reviewed

4.1 avg rating
19 free apps
Updated November 2026

Image Size is the household name in photo size converter, but it's far from the only option. We track 250+ alternatives and competitors on iOS β€” many free, many higher-rated than you'd expect.

Compare top Photo Size Converter Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Image SizeImage SizeFree4.7β˜… (30K)YesYesNov 2026
2Photo Resizer: resize imagePhoto Resizer: resize imageFree4.7β˜… (704)YesYesNov 2026
3Compress Photos & PicturesCompress Photos & PicturesFree4.7β˜… (23K)YesYesNov 2026
4Image Compressor: Photo SizeImage Compressor: Photo SizeFreeβ€”NoYesAug 2026
5Image Converter: JPEG PDF HEICImage Converter: JPEG PDF HEICFree4.7β˜… (9K)NoYesNov 2026
6ExactSize: Photo ResizerExactSize: Photo ResizerFreeβ€”NoNoOct 2026
7531 photo converter531 photo converter$0.49β€”NoNoSep 2026
8Photo Size: Upload ReadyPhoto Size: Upload ReadyFreeβ€”NoNoOct 2026

Top Picks for Photo Size Converter

Image Size#1

Image Size by Vitalij Schaefer

Resize your photo! Resizer App
Editor's Choice
πŸ“· Photo & Video
4.7😊(30K ratings)
FreeAdsIn-App Purchases
Image Size screenshot 1
Image Size screenshot 2
Image Size screenshot 3
Image Size screenshot 4
Image Size screenshot 5
Image Size screenshot 6

Easily resize your photos to any dimension using pixels, millimeters, centimeters, or inches. Preserve aspect ratio with a simple tap and crop images with intuitive multitouch gestures. Save, email, print, or share your resized creations.

What We Love

  • πŸš€ Straightforward and easy to use
  • πŸ‘ Intuitive user interface
  • πŸš€ Quick resizing and editing
  • πŸ’‘ Useful features like watermarking and cropping
  • πŸ‘ Saves resized images to separate album
  • πŸš€ Efficient for preparing images for social media and printing

Room to Improve

  • πŸ› Occasional issues with image quality after resizing
  • πŸ” Unclear interface for some advanced features
  • πŸ’° Paid version required to remove ads
  • πŸ” Difficulty finding help/support options
  • πŸ” Inconsistent behavior when resizing/printing images
Photo Resizer: resize image#2

Photo Resizer: resize image by Ryoichi Fukugawa

Reduce photo & picture size
Strong Contender
πŸ“· Photo & Video
4.7😊(704 ratings)
FreeAdsIn-App Purchases
Photo Resizer: resize image screenshot 1
Photo Resizer: resize image screenshot 2
Photo Resizer: resize image screenshot 3
Photo Resizer: resize image screenshot 4
Photo Resizer: resize image screenshot 5

Easily reduce the resolution and file size of your photos with just a few taps. This tool is perfect for optimizing images for email attachments or saving storage space.

What We Love

  • πŸš€ Fast and efficient
  • πŸ‘ Easy to use
  • πŸ’‘ Helpful for work and presentations
  • πŸš€ Simple and straightforward

Room to Improve

  • πŸ› Unclear measurement units
  • πŸ› Issues with file format and quality
  • πŸ› Lack of EXIF data preservation
Compress Photos & Pictures#3

Compress Photos & Pictures by New Marketing Lab, Inc

Reduce image size, free space
Worth Considering
πŸ“· Photo & Video
4.7😐(23K ratings)
FreeAdsIn-App Purchases
Compress Photos & Pictures screenshot 1
Compress Photos & Pictures screenshot 2
Compress Photos & Pictures screenshot 3
Compress Photos & Pictures screenshot 4
Compress Photos & Pictures screenshot 5

Reduce image file sizes significantly without compromising visual quality. Free up valuable storage space on your device and easily share or upload photos that would otherwise exceed size limits.

What We Love

  • πŸ‘ Easy to use
  • πŸš€ Effective compression
  • πŸ’‘ Useful for reducing photo file size
  • πŸš€ Fast processing
  • πŸš€ Saves a lot of storage space

Room to Improve

  • πŸ› Compression issues (photos look distorted or washed out)
  • πŸ› Crashes or freezes during batch processing
  • πŸ” Difficult to find compressed photos in library
  • πŸ’° Aggressive ads in free version
  • πŸ’° Paid version still has ads

More Photo Size Converter apps to explore

FAQ about Photo Size Converter

What are the best photo size converter apps for iPhone?
Image Size tops our photo size converter apps ranking as of November 2026, with a 4.7-star average from 30K App Store ratings, and it's free to download.
Yes β€” 19 of the top photo size converter apps we rank are free to download, including Image Size and Photo Resizer: resize image.
Image Size shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ photo size converter apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.