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Best File Converter Tool Apps

235+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated June 2026

Looking for free file converter tool apps? 20 of our 235+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for File Converter Tool

Documents: File Manager & Docs#1

Documents: File Manager & Docs by Readdle Technologies Limited

Converter. Downloader. Reader.
Editor's Choice
📊 Productivity
4.8😊(616K ratings)
FreeAdsIn-App Purchases
#58in Productivity
Documents: File Manager & Docs screenshot 1
Documents: File Manager & Docs screenshot 2
Documents: File Manager & Docs screenshot 3
Documents: File Manager & Docs screenshot 4
Documents: File Manager & Docs screenshot 5
Documents: File Manager & Docs 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
Scan to PDF－Document Scanner#3

Scan to PDF－Document Scanner by KAERMORHEN, S.L.

Photo Converter & Sign Doc App
Worth Considering
💼 Business
4.7😞(61K ratings)
FreeAdsIn-App Purchases
#25in Business
Scan to PDF－Document Scanner screenshot 1
Scan to PDF－Document Scanner screenshot 2
Scan to PDF－Document Scanner screenshot 3
Scan to PDF－Document Scanner screenshot 4
Scan to PDF－Document Scanner screenshot 5
Scan to PDF－Document Scanner screenshot 6

Transform your phone into a portable office. Scan, sign, and convert documents to various formats like PDF, DOCX, and TXT. Features include unlimited scanning, OCR text recognition, and secure password protection for your files.

What We Love

  • 🚀 Easy to use
  • 👍 Intuitive interface
  • 🚀 Efficient scanning
  • 👍 Useful features

Room to Improve

  • 💰 Expensive subscription
  • 🔒 Difficult to cancel subscription
  • 🐛 Unreliable document export

More File Converter Tool apps to explore

4
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 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.

Convert to 20+ image formatsSupports JPEG, PNG, PDF, SVG, HEICUser-friendly interface
📊 Productivity
(9K)
subscription
5
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
6
MP3 Converter - Convert to MP3
MP3 Converter - Convert to MP3
MP3 Converter - Convert to MP3
Audio Converter & Extracter
Free

Easily convert media files to a wide range of audio formats. Extract audio from videos and transfer files wirelessly. Offers advanced settings for audio customization.

Convert to any audio formatExtract audio from videoTransfer audios via Wi-Fi
🔧 Utilities
(660)
freemium
7
WinZip: #1 zip & unzip tool
WinZip: #1 zip & unzip tool
WinZip: #1 zip & unzip tool
Professional Zip File Manager
Free

This app is a powerful file manager for creating, extracting, and sharing compressed files. It supports various formats and integrates with cloud storage services for easy file management and secure sharing.

Create and extract Zip and Zipx filesOpen Zip, Zipx, 7z, RAR, and LHA filesEncrypt files with AES encryption
🔧 Utilities
(2.3K)
free with in-app purchases
8
QuickTools - Files & Media
QuickTools - Files & Media
QuickTools - Files & Media
Photo,Video,Audio & File tools
Free

This app is a comprehensive utility for managing and converting various media and file types. It allows users to convert images, videos, audio, and PDFs, as well as compress files, extract content, and create archives. Additional tools include an internet speed test and QR code generator.

Convert images to JPG, PNG, WEBP, BMPCompress and resize photosConvert videos to GIF and MP4
🔧 Utilities
(67)
free
9
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
10
My File Organizer
My File Organizer
My File Organizer
Organize Files & Documents
Free

Consolidate and manage local and cloud files within one app. View, save, and transfer documents, presentations, media, and more across multiple cloud services and your device.

Unified local and cloud file managementInbuilt file viewer and playerTransfer files between cloud drives
🔧 Utilities
(6.5K)
ad-supported
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
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
13
PDF Converter: Photo to PDFs
PDF Converter: Photo to PDFs
PDF Converter: Photo to PDFs
AI summarizer & Converter
Free

Easily transform documents and images into professional PDF files. This tool supports numerous formats and offers features like merging, splitting, and compressing PDFs, all within a simple interface.

Convert files to PDFImage to PDF conversionWord, Excel, PPT to PDF
📊 Productivity
(166)
freemium
14
AllConvert Kit - Image & Video
AllConvert Kit - Image & Video
AllConvert Kit - Image & Video
Convert to PNG, GIF, PDF+more
Free

Easily convert your files to a wide range of formats including documents, ebooks, images, audio, and video. This app handles your media conversion needs quickly and securely, with files deleted from servers within 24 hours.

Document conversionEbook conversionImage conversion
🔧 Utilities
(1.3K)
free with in-app purchases
15
PDF Converter . Convert to PDF
PDF Converter . Convert to PDF
PDF Converter . Convert to PDF
Convert PNG Image Photo to PDF
Free

Easily convert various file formats, including images, Word documents, and text files, to PDF and vice versa. This app offers a simple, intuitive interface for quick document transformations, with features like offline conversion and secure processing.

Convert JPG, PNG, Word, TXT to PDFConvert PDF to WordImage to PDF conversion
💼 Business
(2.2K)
subscription
16
Zip & RAR File Extractor
Zip & RAR File Extractor
Zip & RAR File Extractor
UnZip Browser, Viewer, Manager
Free

This app is a comprehensive file management tool for iOS devices. It allows users to extract various archive formats, create compressed files, convert media, and edit documents and PDFs. It also includes AI-powered OCR and translation features, along with a versatile file viewer and secure access options.

Extract ZIP, RAR, 7Z archivesCreate password-protected ZIP/7Z filesConvert audio and video formats
🔧 Utilities
(28K)
free with in-app purchases
17
File Converter, Online-Convert
File Converter, Online-Convert
File Converter, Online-Convert
Free Online File Converter App
Free

Easily convert a wide range of file types, including audio, video, images, documents, and ebooks, to popular formats. This free online tool processes your files in the cloud, saving battery and allowing multitasking.

Convert audio filesConvert video filesConvert image files
📊 Productivity
(2)
free
18
PDF Converter Tool Pro
PDF Converter Tool Pro
PDF Converter Tool Pro
Image to PDF Converter
Free
📊 Productivity
(0)
19
File Conversion Tools
File Conversion Tools
File Conversion Tools
Convert between file formats
Free

This utility app allows users to convert a wide range of file types, including documents, music, eBooks, and images. It supports numerous target formats and offers advanced options like PDF password protection and metadata removal from images.

Convert music to multiple audio formatsConvert documents to DOC, PDF, XLS, PPT, and moreConvert eBooks to EPUB, MOBI, PDF, and other formats
🔧 Utilities
(7)
free
20
Text to PDF Converter - TXT
Text to PDF Converter - TXT
Text to PDF Converter - TXT
Convert Text to PDF File
Free

Easily convert plain text files into professional, high-quality PDF documents. This app offers a simple interface for formatting, editing, and instantly sharing your text as PDFs, ideal for students, professionals, and writers.

Instant TXT to PDF conversionFolder management for filesSmart text editor with formatting
📊 Productivity
(38)
free with in-app purchases