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Best File Format Apps

247+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

Finding the right file format apps can be overwhelming with so many options. We've analyzed 247+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Compare top File Format Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Documents - File ManagerDocuments - File ManagerFree4.8★ (619K)NoYesSep 2026
2File Converter to the FormatsFile Converter to the FormatsFree4.2★ (507)NoYesAug 2026
3Unzip - zip,rar,7z file openerUnzip - zip,rar,7z file openerFree4.6★ (54K)YesYesSep 2026
4The Document ConverterThe Document ConverterFree4.7★ (5.9K)NoYesAug 2026
5Media Converter - video to mp3Media Converter - video to mp3Free4.7★ (24K)YesYesSep 2026
6JPEG-PNG Image file converterJPEG-PNG Image file converterFree4.7★ (17K)YesNoSep 2026
7Convert-File&Image&Music&MediaConvert-File&Image&Music&MediaFree—NoYesMay 2026
8File : Quick FoldersFile : Quick FoldersFree—NoNoMay 2026

Top Picks for File Format

Documents - File Manager#1

Documents - File Manager by Readdle Technologies Limited

Docs Reader, Editor, Converter
Editor's Choice
📊 Productivity
4.8😊(619K ratings)
FreeIn-App Purchases
#65in Productivity
Documents - File Manager screenshot 1
Documents - File Manager screenshot 2
Documents - File Manager screenshot 3
Documents - File Manager screenshot 4
Documents - File Manager screenshot 5
Documents - File Manager screenshot 6

This app is a comprehensive file manager and document editor for mobile devices. It allows users to organize, edit, convert, and annotate various file types, including PDFs, Office documents, and audio/video files. It also features transcription, scanning, and cloud integration.

What We Love

  • 💯 Excellent file management capabilities
  • 🚀 Seamless integration with cloud services
  • 📚 Versatile document viewer and editor
  • 🎵 Reliable offline music player

Room to Improve

  • 🐛 Occasional crashes and bugs
  • 🔒 Concerns over in-app subscription model
  • 🔍 Inconsistent search and file management functionality
File Converter to the Formats#2

File Converter to the Formats by AlgoTwist Ltd

Convert video image audio pdf
Strong Contender
📷 Photo & Video
4.2😞(507 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

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.

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
Unzip - zip,rar,7z file opener#3

Unzip - zip,rar,7z file opener by 俐 马

files extractor, compressor
Worth Considering
📊 Productivity
4.6😐(54K ratings)
FreeAdsIn-App Purchases
Unzip - zip,rar,7z file opener screenshot 1
Unzip - zip,rar,7z file opener screenshot 2
Unzip - zip,rar,7z file opener screenshot 3
Unzip - zip,rar,7z file opener screenshot 4
Unzip - zip,rar,7z file opener screenshot 5
Unzip - zip,rar,7z file opener screenshot 6

This app is a powerful tool for extracting and compressing various archive file formats. It supports creating encrypted ZIP files, batch compression of media, and offers multiple file transfer options. It also allows viewing and playing a wide range of document, video, and audio types.

What We Love

  • 🚀 Easy to use
  • 👍 Useful features
  • 🚀 Quick file extraction
  • 🚀 Versatile file support

Room to Improve

  • 🐛 Crashes and stability issues
  • 💸 Intrusive ads
  • 🔒 Privacy concerns

More File Format apps to explore

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

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.

Convert to PDF, DOCX, JPG, TXT, and moreSupports dozens of input formatsSave, share, or open converted files
🔧 Utilities
(5.9K)
freemium
5
Media Converter - video to mp3
Media Converter - video to mp3
Media Converter - video to mp3
convert mp4,m4a, extract audio
Free

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.

Video to MP3 conversionAudio extractionRingtone maker
🔧 Utilities
(24K)
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
Convert-File&Image&Music&Media
Convert-File&Image&Music&Media
Convert-File&Image&Music&Media
Convert files to any format
Free
🔧 Utilities
(0)
8
File : Quick Folders
File : Quick Folders
File : Quick Folders
Private file organizer
Free
🔧 Utilities
(0)
9
PDF Converter - Document Scan
PDF Converter - Document Scan
PDF Converter - Document Scan
Merge Photos & Convert to PDF
Free
💼 Business
(0)
10
Audio File Converter: My Media
Audio File Converter: My Media
Audio File Converter: My Media
Edit, Convert & Extract Music
Free
🔧 Utilities
(0)
11
PDF Converter | Photo To PDF
PDF Converter | Photo To PDF
PDF Converter | Photo To PDF
File Reader, Form Fill & Sign
Free
💼 Business
(0)
12
Imogo: File & Format Converter
Imogo: File & Format Converter
Imogo: File & Format Converter
by Umit UZ
Free
🔧 Utilities
(0)
13
NestDocs: PDF Editor&Converter
NestDocs: PDF Editor&Converter
NestDocs: PDF Editor&Converter
OCR, Scanner & Tools
Free
🔧 Utilities
(0)
14
FormatFox: File Converter
FormatFox: File Converter
FormatFox: File Converter
Batch & audio, 100% offline
Free
🔧 Utilities
(0)
15
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
16
FileFlip: File Converter
FileFlip: File Converter
FileFlip: File Converter
HEIC to JPG, Image & Video
Free
🔧 Utilities
(0)
17
BMC File Converter
BMC File Converter
BMC File Converter
Convert Files Locally & Fast
Free
🔧 Utilities
(0)
18
Format Output: PDF & File Edit
Format Output: PDF & File Edit
Format Output: PDF & File Edit
PDF & Video & Audio Convert
Free

Easily convert and manage your files, including PDFs, videos, and audio. Organize converted files into folders for improved efficiency. Download, delete, and share your processed documents and media.

File conversion (PDF, video, audio, image)Format selectionFile naming
🌟 Lifestyle
(45)
free
19
FastConvert: All File Tool
FastConvert: All File Tool
FastConvert: All File Tool
File Photo Video & Audio
Free

This utility app converts various file types, including documents, videos, audio, and images. It also offers tools for compression, merging, cropping, and adjusting playback speed for media.

File format conversionVideo conversion and editingAudio conversion and speed adjustment
🔧 Utilities
(45)
free with in-app purchases
20
PDF Reader: Edit & Sign
PDF Reader: Edit & Sign
PDF Reader: Edit & Sign
Read, convert, sign PDF files
Free

Easily manage your PDF files on your phone with tools for reading, editing, signing, and converting documents. Import files, use the camera, and access recent documents quickly. Convert various file types to PDF and perform essential PDF management tasks like merging and splitting.

Sign documentsAdd text to PDFsHighlight and underline content
🔧 Utilities
(1)
ad-supported

FAQ about File Format

What are the best file format apps for iPhone?
Documents - File Manager tops our file format apps ranking as of August 2026, with a 4.8-star average from 619K App Store ratings, and it's free to download.
Yes — 20 of the top file format apps we rank are free to download, including Documents - File Manager and File Converter to the Formats.
Documents - File Manager has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 247+ file format apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The Documents app is a comprehensive file manager and document editor for iPhone and iPad. It allows you to organize, edit, convert, annotate, and play various file types, including PDFs, Office documents, audio, and video. It also offers features like scanning, transcription, and cloud integration.
Key features include direct PDF editing, file conversion to and from PDF, robust file and folder management, audio and video transcription, document scanning, built-in audio and video playback, and Wi-Fi file transfer. It also integrates with cloud storage services.

Related searches

picture converter: file formatimogo: file & format convertermedia file format converter