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Best 4K Photo Converter Apps

249+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated September 2026

The Image Converter □ is the household name in 4k photo converter, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top 4K Photo Converter Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1The Image Converter □The Image Converter □Free4.6★ (17K)NoYesSep 2026
2Photo Format ConverterPhoto Format ConverterFree—NoYesJun 2026
3Video and Photo ConverterVideo and Photo ConverterFree5.0★ (7)YesYesSep 2026
4Photo Converter - heic to jpgPhoto Converter - heic to jpgFree was $2.99—NoYesMay 2026
5Pixzool: Photo ConverterPixzool: Photo ConverterFree—NoYesJul 2026
6Image Converter: HEIC JPG PNGImage Converter: HEIC JPG PNGFree—NoYesJul 2026
7Photo & Image ConverterPhoto & Image ConverterFree4.3★ (503)YesYesSep 2026
8Image Converter - ConvertPixImage Converter - ConvertPixFree was $3.991.0★ (1)NoYesAug 2026

Top Picks for 4K Photo Converter

The Image Converter □#1

The Image Converter □ by Float Tech, LLC

Convert JPG, PNG, HEIC, PDF
Editor's Choice
📊 Productivity
4.6😞(17K ratings)
FreeIn-App Purchases
The Image Converter □ screenshot 1
The Image Converter □ screenshot 2
The Image Converter □ screenshot 3
The Image Converter □ screenshot 4
The Image Converter □ screenshot 5

Easily transform your photos and documents into a wide range of image formats. Select your input, choose an output, and convert in seconds. Save, share, or open your converted files directly in other applications.

What We Love

  • ⚡ Fast conversion
  • 📤 Easy to save/share converted files
  • 🎨 Good quality conversions
  • 🤖 Reliable and consistent

Room to Improve

  • 💰 Subscription required for full functionality
  • 🔒 Limited free trial/conversion limits
  • 🔁 Single file conversion only, no batch processing
  • 🐛 Occasional conversion issues or bugs

More 4K Photo Converter apps to explore

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FAQ about 4K Photo Converter

What are the best 4k photo converter apps for iPhone?
The Image Converter □ tops our 4k photo converter apps ranking as of September 2026, with a 4.6-star average from 17K App Store ratings, and it's free to download.
Yes — 20 of the top 4k photo converter apps we rank are free to download, including The Image Converter □ and Photo Format Converter.
The Image Converter □ has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ 4k photo converter apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to quickly convert your photos and documents into a wide variety of image formats. You can select an input file, choose from numerous output formats like JPG, PNG, SVG, and PDF, and then convert the file in seconds. The converted files can be saved, shared, or opened in other applications.
Key features include support for dozens of input formats (like JPG, PNG, HEIC, PDF) and a vast array of output formats (including SVG, JPG, PNG, GIF, PSD, PDF). It offers fast cloud-based conversions, with an increasing number of local conversion options for even greater speed. You can also save, share, or open converted files directly and browse previously converted files within the app.