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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

This app is a versatile media converter that handles videos, audio, images, GIFs, and PDFs. It allows for format conversion, audio extraction, video compression, ringtone creation, and even basic video editing. It also includes a built-in media player and file management tools.

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

Effortlessly transform files into various document and image formats like PDF, DOCX, and JPG. Simply select your input, choose the desired output, and convert in seconds. Save, share, or open your converted files directly in other applications.

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 over 20 formats like JPG, PNG, PDF, and SVG. This app offers a user-friendly interface for efficient media management, making it simple to prepare photos for professional use or sharing.

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

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.

Convert to SVG, JPG, PNG, GIF, and moreSupports dozens of input formats including HEIC and PDFFast cloud-based conversions
📊 Productivity
(16K)
free with in-app purchases
5
Video Converter and Compressor
Video Converter and Compressor
Video Converter and Compressor
Any Format Batch 4K Merger
Free

This app converts and compresses video and audio files into numerous formats. It also allows merging video and audio clips, changing resolution, frame rate, and bitrates. Files can be imported from various sources, including cloud services and local devices.

Convert video to any formatCompress video filesMerge video and audio clips
📷 Photo & Video
(2.1K)
free with in-app purchases
6
JPEG-PNG Image file converter
JPEG-PNG Image file converter
JPEG-PNG Image file converter
Format convertor to JPEG, PNG
Free

Easily convert your images to JPEG or PNG format. This lightweight application supports a wide range of input formats, including HEIF/HEIC, and saves converted files directly to your device's Photos app. It's ideal for preparing images for printing or ensuring compatibility.

Convert to JPEG or PNGSupports HEIF/HEIC conversionSaves to Photos app
📷 Photo & Video
(17K)
ad-supported
7
The Video Converter
The Video Converter
The Video Converter
Convert to MP4, MOV, and MP3
Free

Easily transform video and audio files into a wide range of formats like MP4, MOV, and MP3. Select your input, choose an output, and convert in seconds. Save, share, or view your converted files directly from the app.

Convert to MP4, MOV, MP3, and moreSupports dozens of input and output formatsFast conversion in seconds
🔧 Utilities
(9.7K)
freemium
8
The Audio Converter
The Audio Converter
The Audio Converter
Convert to MP3, WAV, M4A, AAC
Free

Easily transform audio and video files into various popular audio formats like MP3, WAV, and M4A. Supports dozens of input formats and offers quick, cloud-based or local conversions. Save, share, or listen to your converted files directly from the app.

Convert audio/video to MP3, WAV, M4A, AAC, FLAC, OGG, WMA, AIFFSupports dozens of input formats (MOV, MP4, WMA, etc.)Fast cloud-based conversions
🔧 Utilities
(13K)
free with in-app purchases
9
MP3 Converter -Audio Extractor
MP3 Converter -Audio Extractor
MP3 Converter -Audio Extractor
Convert video file to ringtone
Free

This app transforms video files into MP3 audio, allowing you to listen to your favorite content offline. It offers a range of editing tools, including clippers, splicers, and denoising, to refine your audio. You can also set converted audio as ringtones and share files easily.

Convert video to MP3Fast and easy to useSupports multiple video/audio formats
🎵 Music
(45K)
free with in-app purchases
10
MP4 Converter: Video to MP4
MP4 Converter: Video to MP4
MP4 Converter: Video to MP4
RMVB/WebM/MOV/AVI to MP4
Free

Easily convert, compress, edit, and export videos in virtually any format. This tool supports batch processing, audio extraction, and hardware-accelerated encoding for efficient video management. It offers a clean interface with no learning curve.

Convert any video formatBatch import and conversionVideo compression and editing
🔧 Utilities
(29)
freemium
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 documents to and from PDF format in just three steps. Create PDFs from images, share converted files, and manage your conversion history. Supports a wide range of input and output file types.

Convert documents to PDFCreate PDF from imagesSupports numerous file formats
📊 Productivity
(32K)
free with in-app purchases
12
MP4 Maker - Convert to MP4
MP4 Maker - Convert to MP4
MP4 Maker - Convert to MP4
Convert videos to MP4 format
Free

Easily convert video files to MP4 format directly on your device. This app prioritizes your privacy by processing all conversions locally, ensuring your files never leave your phone. Customize quality settings to balance file size and image resolution.

Convert videos to MP4Local device processingExport converted files
📊 Productivity
(2.2K)
free with in-app purchases
13
Image Converter: photos to PDF
Image Converter: photos to PDF
Image Converter: photos to PDF
Convert photo to jpeg png svg
Free

Easily convert your images into various popular formats, including PDF, JPEG, and PNG. Select files from your gallery, iCloud, or camera, choose your desired output, and convert in seconds. Access your conversion history and share files directly from the app.

Convert images to PDF, JPEG, PNG, SVGSupport for numerous image formatsSelect files from gallery, iCloud, or camera
📊 Productivity
(3.1K)
free with in-app purchases
14
MP3 Converter: Video to Audio
MP3 Converter: Video to Audio
MP3 Converter: Video to Audio
Ringtone Maker, Extract Music
Free

Easily convert videos from various formats into audio files. Extract music from your favorite clips and create custom ringtones. Supports numerous output formats and offers convenient sharing options.

Convert videos to audioExtract music from videosCreate ringtones
🎵 Music
(7.1K)
free with in-app purchases
15
File Converter to the Formats
File Converter to the Formats
File Converter to the Formats
Convert video image audio pdf
Free

Easily convert various file types, including images, videos, audio, and documents, into numerous desired formats. All conversions are processed securely on your device, ensuring your files remain private. Offers flexible input options and comprehensive format support.

Convert images to various formats and PDFConvert audio files to different audio formatsConvert video files to audio or image formats
📷 Photo & Video
(504)
subscription
16
Audio Converter - MP4 to MP3
Audio Converter - MP4 to MP3
Audio Converter - MP4 to MP3
Convert video to mp3
Free

Easily convert media files into various audio formats. Supports batch conversion and advanced audio settings for flexible audio extraction from both audio and video files.

Convert video to audioSupport for multiple audio formatsBatch conversion
🔧 Utilities
(1.1K)
freemium
17
Format Converter
Format Converter
Format Converter
Extract audio
Free

This utility app converts audio, video, image, and document files between various formats. It also offers file compression, decompression, and audio extraction from videos. Batch operations and WiFi file transfer are supported.

Video format conversionAudio format conversionDocument format conversion
🔧 Utilities
(22)
free with in-app purchases
18
Picture Converter: File Format
Picture Converter: File Format
Picture Converter: File Format
Imazing HEIC,JPG,PDF converter
Free

Easily convert image files to JPEG or PNG formats. Share converted images directly via Airdrop or save them within the app. Supports a wide range of popular image and document formats.

Convert image formats to JPEG/PNGSupports HEIC, JPG, PNG, GIF, BMP, PDFShare via Airdrop
🌟 Lifestyle
(60)
subscription
19
iConv - Video & PDF Converter
iConv - Video & PDF Converter
iConv - Video & PDF Converter
Convert any Video Audio Format
Free

This app facilitates a wide range of file conversions, including video, audio, documents, and images. It offers features like batch processing, OCR for text extraction from images, and file compression/decompression. Users can also trim media and manage files directly within the app.

Batch video and audio conversionDocument to PDF/PNG conversionImage to TXT (OCR)
📷 Photo & Video
(1.9K)
freemium
20
Photos PDF : Scanner Converter
Photos PDF : Scanner Converter
Photos PDF : Scanner Converter
Photo & image to Scan Document
Free

Easily convert your photos and images into PDF documents in just three simple steps. This app offers a user-friendly interface, versatile editing options, and secure, on-device processing. Manage, sign, and share your PDFs effortlessly.

Image to PDF conversionUser-friendly designImage rotation and filters
📊 Productivity
(67K)
free with in-app purchases

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