Otterfile
local file multi-format reader
Only for iPhone
Free · In-App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
File Management and Transfer:
- Local Management: Supports file categorization, sorting, multi-selection, and routine management operations (copy, cut, rename, delete). Includes a built-in recycle bin to prevent accidental file deletion.
- File Import: Supports importing from system photo album and system files, and provides native scanned document to PDF conversion function.
- Local Area Network Transfer: After enabling the Wi-Fi file transfer service, you can directly drag and drop files to transfer between devices via your computer's browser.
- Cloud Drive Mounting: Supports binding to Alibaba Cloud Drive, Baidu Cloud Drive, OneDrive, Google Drive, and Dropbox for cross-platform file management.
Compression and decompression:
- Format support: Supports compression and decompression of ZIP, 7Z, and TAR formats.
- Encoding adaptation: Built-in file encoding detection and manual switching functions solve common Chinese character encoding problems during cross-device transmission.
Multi-format preview:
- Office documents: Natively supports viewing Office (Word, Excel, PPT), PDF, and various common image and text formats.
- Plain text and code: Supports highlighting of 24+ formats including TXT, JSON, HTML, and Python.
- Basic media playback: Supports standard audio and video formats such as MP4 and MP3, and provides background playback, progress memory, and speed adjustment options.
Otterfile Pro Advanced Features:
- Advanced audio and video decoding: Supports playback of non-native video formats such as MKV, AVI, FLV, RMVB, and WMV, and supports loading external subtitles such as SRT, ASS, and SSA.
- Professional format preview: Supports previewing design drawings such as PSD, Sketch, DWG, and AI, as well as 3D models such as STL and GLTF.
- Advanced Compression and Data Viewing: Supports parsing password-protected encrypted archives and multi-volume compression settings; provides HEX (hexadecimal) view mode.
- Privacy Vault: Provides a separate, locally encrypted vault that requires Face ID/Touch ID verification for access.
Privacy Statement: Otterfile's core functions run entirely on your device. Except for user-initiated cloud drive synchronization or sharing, the application will not upload your local files to third-party servers.
Issue Feedback: If you encounter any format compatibility or basic function issues during use, please feel free to contact us through the "Issue Feedback" section within the app.
Privacy Policy: https://otter-labs.notion.site/Privacy-Policy-32cd85b21b3c80cbb4e7e12386c4fc71?pvs=73
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
New support for previewing certificate formats has been added.
fixed some bugs.
The developer, 宁 权, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- 宁 权
- Size
- 125.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English and Simplified Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Lifetime Prucahse $9.99
- Month Purchase $0.99
- Year Purchase $6.99
- Copyright
- © 2026 ertinbgbuxu Inc.