TL;DR
Gander is an Android app that allows users to view PDFs, Word documents, images, videos, and more without asking for any permissions. This development highlights a new approach to privacy-focused app design.
Gander is an Android file viewer that can open a variety of file types, including PDFs, Word, Excel, PowerPoint, images, videos, audio, Markdown, and code, without requesting any permissions from the user, according to its creator.
The developer of Gander stated that the app is designed to prioritize user privacy by not requesting access to storage or other sensitive data typically required by file viewers. This approach is unusual, as most Android apps ask for permissions such as storage access to function properly.
Gander’s ability to open multiple file formats without permissions is achieved through innovative handling of file access, likely leveraging Android’s intent system and local file access methods that do not require explicit permissions. The developer shared the app on Show HN, emphasizing its privacy-centric design and the challenge of creating a fully functional file viewer under these constraints.
Implications for Privacy and App Design
This development matters because it demonstrates a potential shift towards more privacy-conscious app design in Android. By eliminating permission requests, Gander reduces the risk of data leaks or misuse, aligning with growing user concerns over app permissions and data privacy. If widely adopted, such an approach could influence future app development standards and user expectations, encouraging developers to find permission-free solutions whenever possible.

Photo Viewer for Android TV
- Photo viewing on Android TV: View photo images on TV
- Video playback with subtitles: Play videos with subtitles (srt/ssa/ass)
- Slideshow with music: Play slideshows of photos/videos with background music (M4A, FLAC, MP3)
As an affiliate, we earn on qualifying purchases.
As an affiliate, we earn on qualifying purchases.
Background on Android Permissions and Privacy
Android’s permission system has evolved to give users more control over their data, but many apps still request broad access to storage, contacts, location, and other sensitive data. This often raises privacy concerns, especially with apps that require permissions for basic functionalities like file viewing.
Previous efforts to reduce permissions have focused on sandboxing or limited access, but fully permission-free apps that still offer rich features are rare. Gander’s approach represents an attempt to challenge the norm by providing a functional file viewer without permissions, aligning with ongoing privacy debates and user demands for more transparent app behavior.
“I built Gander to open files without asking for any permissions, aiming to give users more control over their privacy.”
— Gander’s developer
privacy-focused Android file viewer
As an affiliate, we earn on qualifying purchases.
As an affiliate, we earn on qualifying purchases.
Limitations and Technical Challenges of Permission-Free Viewing
It is not yet clear how Gander handles more complex files or larger documents, or how it compares in performance with permission-based viewers. The app’s full capabilities, limitations, and compatibility with various Android versions remain to be tested and confirmed by users.
Additionally, it is uncertain whether Gander’s approach can be scaled or integrated into other applications without compromising functionality or user experience.
Android document viewer without storage access
As an affiliate, we earn on qualifying purchases.
As an affiliate, we earn on qualifying purchases.
Next Steps for Gander and Permission-Free Apps
The developer plans to gather user feedback and possibly release a beta version for broader testing. Future updates may address performance issues, expand file format support, and explore ways to maintain functionality without permissions.
Meanwhile, other developers and privacy advocates will likely monitor Gander’s adoption and impact, potentially inspiring similar permission-free solutions or influencing Android’s permission policies.

SD Card Reader for iPhone/ipad/Android/Mac/Computer/Camera,4 in1 Micro SD Card Reader Trail Camera Viewer, Portable Memory Card Reader SD Card Adapter for SD and TF Cards(White)
- 4-in-1 Card Reader: Multiple interfaces for versatile device compatibility
- Charging Port Included: Charge devices while transferring files
- High-Speed Data Transfer: Fast two-way file sharing and management
As an affiliate, we earn on qualifying purchases.
As an affiliate, we earn on qualifying purchases.
Key Questions
How does Gander open files without permissions?
Gander likely uses Android’s intent system and local file access methods that do not require explicit permissions, but specific technical details have not been fully disclosed by the developer.
Can Gander handle all file types effectively?
Gander supports PDFs, Word, Excel, PowerPoint, images, videos, audio, Markdown, and code, but its performance with very large or complex files has not yet been confirmed.
Is Gander available for download?
The app was shared on Show HN for community feedback; it may not be publicly available on app stores yet.
Will this approach be adopted by other apps?
While promising, permission-free app design faces technical and functional challenges. Its broader adoption depends on further development and user acceptance.
Does Gander compromise on features to avoid permissions?
It remains to be seen whether Gander offers the same level of functionality as permission-based viewers, but early indications suggest a focus on core file viewing capabilities.
Source: hn