Best Resolution Converter Apps

244+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

If you already know Image Size, this is the deeper bench. 244+ resolution converter apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Resolution Converter Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Image SizeImage SizeFree4.7β˜… (30K)YesYesOct 2026
2Image Converter - PNG&PDF&JPEGImage Converter - PNG&PDF&JPEGFree4.5β˜… (25)YesNoOct 2026
3PPI Calc - PPI CalculatorPPI Calc - PPI CalculatorFree4.4β˜… (13)NoNoOct 2026
4Video Converter - CompressorVideo Converter - CompressorFree4.3β˜… (23)NoYesOct 2026
5Video and Photo ConverterVideo and Photo ConverterFree5.0β˜… (7)YesYesSep 2026
6PDF PhotosPDF PhotosFree4.8β˜… (14K)YesYesOct 2026
7Pixzool: Photo ConverterPixzool: Photo ConverterFreeβ€”NoYesJul 2026
8DPI - Dots per inchDPI - Dots per inchFree4.7β˜… (1.1K)YesYesOct 2026

Top Picks for Resolution 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
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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

More Resolution Converter apps to explore

FAQ about Resolution Converter

What are the best resolution converter apps for iPhone?
Image Size tops our resolution converter apps ranking as of October 2026, with a 4.7-star average from 30K App Store ratings, and it's free to download.
Yes β€” 20 of the top resolution converter apps we rank are free to download, including Image Size and Image Converter - PNG&PDF&JPEG.
Image Size shows ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 244+ resolution converter apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.