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Best Format Converter Apps

228+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated April 2026

Finding the right format converter app can be overwhelming with so many options. We've analyzed 228+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Format Converter

Media Converter - video to mp3#1

Media Converter - video to mp3 by 俊杰 阮

convert mp4,m4a, extract audio
Editor's Choice
🔧 Utilities
4.7😊(24K ratings)
FreeAdsIn-App Purchases
Media Converter - video to mp3 screenshot 1
Media Converter - video to mp3 screenshot 2
Media Converter - video to mp3 screenshot 3
Media Converter - video to mp3 screenshot 4
Media Converter - video to mp3 screenshot 5

Convert various media files, including videos to MP3, extract audio from videos, compress video files, and play a wide range of formats. Features include converting audio to MP3, M4A, OGG, WAV, and more, converting video formats like MP4, MOV, and AVI, and file transfer options. Upgrade to the professional version for additional benefits. View privacy policy and terms of use. Contact junjie_ruan@163.com for more information.

What We Love

  • 🚀 Fast and efficient conversion
  • 👍 Easy to use
  • 💡 Versatile file format support
  • 🚀 Excellent compression capabilities

Room to Improve

  • 🐛 Occasional crashes or conversion issues
  • 🔋 Battery drain during conversion
  • 🔍 Confusing UI in some areas
The Document Converter#2

The Document Converter by Float Tech, LLC

Convert to PDF, DOCX, JPG, etc
Strong Contender
🔧 Utilities
4.7😞(5.9K ratings)
FreeIn-App Purchases
The Document Converter screenshot 1
The Document Converter screenshot 2
The Document Converter screenshot 3
The Document Converter screenshot 4
The Document Converter screenshot 5

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.

What We Love

  • 🚀 Fast and efficient
  • 👍 Easy to use
  • 💡 Useful for document conversion
  • 🚀 Reliable and accurate

Room to Improve

  • 🔒 Requires subscription for full functionality
  • 🐛 Conversion issues with certain file formats
  • 🔒 Misleading about free trial
Image Converter: JPEG PDF HEIC#3

Image Converter: JPEG PDF HEIC by Fitness Labs SRL

Convert to JPG PNG & SVG File
Worth Considering
📊 Productivity
4.7😐(9K ratings)
FreeIn-App Purchases
Image Converter: JPEG PDF HEIC screenshot 1
Image Converter: JPEG PDF HEIC screenshot 2
Image Converter: JPEG PDF HEIC screenshot 3
Image Converter: JPEG PDF HEIC screenshot 4

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.

What We Love

  • 🚀 Fast and easy to use
  • 👍 Simple and intuitive interface
  • 💡 Useful additional features (e.g., duplicate detection, video compression)
  • 🚀 Instant file conversion

Room to Improve

  • 🐛 Crashes and freezes
  • 🔒 Mandatory full access to photo library
  • 🔒 Privacy concerns with data handling

More Format Converter apps to explore

4
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)
5
Video Converter and Compressor
Video Converter and Compressor
Video Converter and Compressor
Any Format Batch 4K Merger
Free

Convert and compress videos effortlessly with this fast app supporting multiple formats like MP4, MKV, and AVI. Easily merge 4K videos in batches. Try it now for quick and efficient video conversions.

📷 Photo & Video
(2K)
6
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)
7
The Video Converter
The Video Converter
The Video Converter
Convert to MP4, MOV, and MP3
Free

Easily convert videos to various formats such as MP4, MP3, and more with quick processing times. Save, share, and view files in your favorite apps, and even AirDrop them to your Mac or other devices. Stay connected to the internet for cloud-based conversions, with added support for local conversions.

🔧 Utilities
(9.7K)
8
The Audio Converter
The Audio Converter
The Audio Converter
Convert to MP3, WAV, M4A, AAC
Free

Convert your audio or video files to various formats like MP3, WAV, M4A, AAC quickly and easily. Select your file, choose the output format, and convert in seconds. Enjoy fast and secure conversions with the option for an auto-renewable Premium Pass subscription. Save, share, or listen to your converted files with ease.

🔧 Utilities
(13K)
9
MP3 Converter -Audio Extractor
MP3 Converter -Audio Extractor
MP3 Converter -Audio Extractor
Convert video file to ringtone
Free

Convert any video to high-quality MP3 audio with the MP3 Converter app, enabling easy listening on the go. Features include fast conversion, support for various formats, audio manipulation tools, and the ability to set custom ringtones. Upgrade to MP3 Converter Pro for unlimited access to advanced features.

🎵 Music
(45K)
10
MP4 Converter: Video to MP4
MP4 Converter: Video to MP4
MP4 Converter: Video to MP4
RMVB/WebM/MOV/AVI to MP4
Free

This all-in-one video converter and export tool allows you to easily convert, compress, edit, and export videos in any format with support for batch import and editing features, including audio extraction and hardware-accelerated encoding for faster conversion. Download now to unlock unlimited conversions and exports, and enjoy a clean and intuitive user interface with zero learning curve.

🔧 Utilities
(29)
11
PDF Converter - Word to PDF
PDF Converter - Word to PDF
PDF Converter - Word to PDF
Photo to PDF maker & Scan doc
Free

Easily convert Word documents to PDF files with our application. Convert and share documents seamlessly with just a few clicks. Try it now!

📊 Productivity
(32K)
12
MP4 Maker - Convert to MP4
MP4 Maker - Convert to MP4
MP4 Maker - Convert to MP4
Convert videos to MP4 format
Free

Convert your videos to MP4 format easily with our app! Customize quality settings for optimal file size and image quality. Keep your data secure by processing conversions on your device. Available now on all iOS devices.

📊 Productivity
(2.2K)
13
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)
14
MP3 Converter: Video to Audio
MP3 Converter: Video to Audio
MP3 Converter: Video to Audio
Ringtone Maker, Extract Music
Free

Convert videos from various formats to audio with the MP3 Converter app. Simply select your videos to convert, choose the output format, and enjoy your files in seconds. Try it now for easy and free conversions.

🎵 Music
(7.1K)
15
File Converter to the Formats
File Converter to the Formats
File Converter to the Formats
Convert video image audio pdf
Free

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!

📷 Photo & Video
(504)
16
Audio Converter - MP4 to MP3
Audio Converter - MP4 to MP3
Audio Converter - MP4 to MP3
Convert video to mp3
Free

Convert various media files to a wide range of audio formats with advanced settings and batch conversion capabilities. Easily import multiple files, customize output, and export anywhere. Upgrade to unlock all features and remove ads for a seamless experience.

🔧 Utilities
(1.1K)
17
Format Converter
Format Converter
Format Converter
Extract audio
Free

This file management tool allows users to convert various audio, video, and document formats, extract audio from videos, and compress or decompress files. With features like batch operations, WiFi transmission, and file reception, users can easily manage their files and try out the tool with a free trial, then subscribe for continued use.

🔧 Utilities
(22)
18
Picture Converter: File Format
Picture Converter: File Format
Picture Converter: File Format
Imazing HEIC,JPG,PDF converter
Free

This application allows users to easily convert image file formats to JPEG or PNG, supporting various formats including HEIC, PDF, and more, with just a few taps. Try it now and start converting your images quickly and efficiently with a simple and user-friendly interface.

🌟 Lifestyle
(60)
19
iConv - Video & PDF Converter
iConv - Video & PDF Converter
iConv - Video & PDF Converter
Convert any Video Audio Format
Free

Convert your video files to various formats quickly and easily with our intuitive application. Experience seamless video conversion without any hassle. Try it now to streamline your video editing process!

📷 Photo & Video
(1.8K)
20
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)

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