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Best File Conversion Utility Apps

231+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

Whether you're new to file conversion utility or looking for an upgrade, our curated collection of 231+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for File Conversion Utility

FSharing - Files, File Manager#1

FSharing - Files, File Manager by Ngan Tran

File explorer, downloader, zip
Editor's Choice
📊 Productivity
4.4😊(884 ratings)
FreeIn-App Purchases
FSharing - Files, File Manager screenshot 1
FSharing - Files, File Manager screenshot 2
FSharing - Files, File Manager screenshot 3
FSharing - Files, File Manager screenshot 4
FSharing - Files, File Manager screenshot 5
FSharing - Files, File Manager screenshot 6

Explore a unique file manager app for iOS devices that revolutionizes file transfer using Wi-Fi and supports popular file transfer protocols. Easily manage files offline and access cloud, remote servers, music, video, and advanced functionalities. Try it now for seamless file sharing and organization.

What We Love

  • 🚀 Simple and standalone
  • 🚀 Convenient file transfer via SMB
  • 👍 User-friendly app with all necessary features
  • 👍 Friendly and professional support

Room to Improve

  • 🐛 Occasional errors or issues with file transfers
  • 💰 Paid version required for some features
  • 🔒 Concerns about privacy and ads
Space Cleaner: File Manager#2

Space Cleaner: File Manager by APPCENTURY LIMITED

Cleanup Duplicate Photo Clean
Strong Contender
🔧 Utilities
4.5😞(3.1K ratings)
FreeAdsIn-App Purchases
Space Cleaner: File Manager screenshot 1
Space Cleaner: File Manager screenshot 2
Space Cleaner: File Manager screenshot 3
Space Cleaner: File Manager screenshot 4
Space Cleaner: File Manager screenshot 5
Space Cleaner: File Manager screenshot 6

Efficiently manage and optimize your files with our powerful File Manager app. Organize, sort, search, preview, and even convert file formats with ease. Clean up duplicates and unnecessary files to free up storage space. Download now for seamless file management!

What We Love

  • 👍 Easy to use
  • 🚀 Effective storage cleaning
  • 💡 Helpful for iPhone storage issues

Room to Improve

  • 🔒 Forced subscription
  • 💰 Misleading 'free' claims
  • 🔒 No option to cancel subscription
File Converter to the Formats#3

File Converter to the Formats by AlgoTwist Ltd

Convert video image audio pdf
Worth Considering
📷 Photo & Video
4.2😞(504 ratings)
FreeIn-App Purchases
File Converter to the Formats screenshot 1
File Converter to the Formats screenshot 2
File Converter to the Formats screenshot 3
File Converter to the Formats screenshot 4
File Converter to the Formats screenshot 5

An easy-to-use file conversion app with support for various formats like images, videos, audio files, and archives. Choose your input file, select the desired output format, and convert securely on your device. Start converting files quickly and easily today!

What We Love

  • 👍 Easy to use interface
  • ✅ Reliable file conversion functionality
  • 💰 Affordable pricing ($1.99/month)

Room to Improve

  • 💸 Requires paid subscription for basic features
  • 🐛 Frequent app crashes and freezing
  • ❌ Misleading 'free' app marketing

More File Conversion Utility apps to explore

4
The Document Converter
The Document Converter
The Document Converter
Convert to PDF, DOCX, JPG, etc
Free

Easily convert files to various document formats with just a few clicks. Select your input file, choose the output format (DOCX, PDF, JPG, etc.), and convert in seconds. Save, share, or open your converted files in different apps instantly.

🔧 Utilities
(5.9K)
5
JPEG-PNG Image file converter
JPEG-PNG Image file converter
JPEG-PNG Image file converter
Format convertor to JPEG, PNG
Free

Convert various image file formats to JPEG or PNG, including HEIF (.heic). Save images to the "Photos" app with automatic album creation. Easily print PNG images as JPEG for compatibility with some printers.

📷 Photo & Video
(17K)
6
Phone Drive: File Storage
Phone Drive: File Storage
Phone Drive: File Storage
Photo Sharing and Music Player
Free

Transform your iOS device into a portable Wireless Flash Drive with this file manager app. Easily store, manage, and share files from various sources, including cloud storage, and enjoy features like multimedia playback, document viewing, and file operations. Experience the convenience of managing all your files in one place. Visit the website for more information.

📊 Productivity
(1.8K)
7
AllConvert Kit - Image & Video
AllConvert Kit - Image & Video
AllConvert Kit - Image & Video
Convert to PNG, GIF, PDF+more
Free

A versatile app for converting files to various formats, including images, PDFs, videos, audios, and documents. Easily switch between different formats with just a few clicks. Try it now for seamless file conversions.

🔧 Utilities
(1.3K)
8
File Converter, Online-Convert
File Converter, Online-Convert
File Converter, Online-Convert
Free Online File Converter App
Free

Easily convert various file formats to popular ones for free with this online app. Convert audio, video, image, documents, and more without draining your device's battery. Fast and convenient conversion in the cloud.

📊 Productivity
(2)
9
FastConvert: All File Tool
FastConvert: All File Tool
FastConvert: All File Tool
File Photo Video & Audio
Free
🔧 Utilities
(7)
10
Photos PDF : Scanner Converter
Photos PDF : Scanner Converter
Photos PDF : Scanner Converter
Photo & image to Scan Document
Free

Easily convert photos to PDFs with our scanner application. Scan multiple photos, adjust their order, and save them as a single PDF document. Start digitizing your memories today.

📊 Productivity
(67K)
11
ES File Explorer
ES File Explorer
ES File Explorer
Browse & Music, Docs
Free

Discover a comprehensive file management tool with powerful features for browsing, managing, and organizing files on your device efficiently. Download now to streamline your file management tasks with ease.

📊 Productivity
(15K)
12
Zip File Viewer
Zip File Viewer
Zip File Viewer
by BYTO
Free

This application allows users to open and view zip files without needing to unzip them. Users can also transfer files from computers to their iPhones, manage files easily, and view various file formats such as MP3, PDF, JPG, and more with a simple interface.

🔧 Utilities
(5)
13
Image Converter: JPEG PDF HEIC
Image Converter: JPEG PDF HEIC
Image Converter: JPEG PDF HEIC
Convert to JPG PNG & SVG File
Free

Easily convert images to different formats like JPG, PNG, PDF, and HEIC with our efficient and versatile image converter app. Streamline your image conversion needs in just a few clicks! Try it now for seamless format transitions.

📊 Productivity
(9K)
14
iConverter - Convert Files
iConverter - Convert Files
iConverter - Convert Files
PDF, Ringtone, Sound Converter
Free

In a couple of sentences, the essence of this application can be summarized as: This powerful file conversion tool allows you to easily convert a wide range of document, audio, and video files on your iPhone or iPad, including converting text-based files to PDF, audio files to ringtones, and videos to audio tracks. The application also includes a comprehensive file management system, enabling you to import, open, share, and organize your files from various sources.

🔧 Utilities
(72)
15
Zip & RAR File Extractor
Zip & RAR File Extractor
Zip & RAR File Extractor
UnZip Browser, Viewer, Manager
Free

Zip is a mobile application that helps users easily compress and extract files on the go. Say goodbye to bulky file sizes with Zip - your ultimate file management tool!

🔧 Utilities
(28K)
16
The Vector Converter
The Vector Converter
The Vector Converter
Convert to SVG, EPS and PDF
Free

Convert your files to various vector or image formats with ease! Select your input file, choose from a range of output formats, and convert in seconds. Save, share, or open your converted files instantly and enjoy fast, secure cloud-based conversions. Get started now!

🔧 Utilities
(4.7K)
17
MP3 Converter - Convert to MP3
MP3 Converter - Convert to MP3
MP3 Converter - Convert to MP3
Audio Converter & Extracter
Free

This application efficiently converts audio files to MP3 format for easy playback and sharing. Transform your audio files with ease and convenience today.

🔧 Utilities
(660)
18
Image Converter: photos to PDF
Image Converter: photos to PDF
Image Converter: photos to PDF
Convert photo to jpeg png svg
Free

An app that converts images to various formats like PDF, JPEG, PNG, and more. Easily select input files from different sources, choose an output format, and convert with just a few clicks. Manage conversion history and share files conveniently.

📊 Productivity
(3.1K)
19
Zip & RAR File Extractor ZIPO
Zip & RAR File Extractor ZIPO
Zip & RAR File Extractor ZIPO
Unzip RAR, 7z, APK File Opener
Free
🔧 Utilities
(1)
20
The Image Converter □
The Image Converter □
The Image Converter □
Convert JPG, PNG, HEIC, PDF
Free

Convert your photos to various image formats quickly with this app. Choose your input file, select the output format, and convert in seconds. Save, share, or open your files in different apps with ease.

📊 Productivity
(16K)

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