Gander

Spec sheet

What it does

Gander is an open source, offline file viewer for Android that opens documents, spreadsheets, slides, photos, video, audio, Markdown, text, code, ZIP archives, and STL models.Read 11 Oct 2026 · github.com

Purpose

Gander is a viewer and does not edit files.Read 11 Oct 2026 · arjun.maniyani.com

Product

Gander is an open-source, offline Android viewer for documents, photos, video, audio, Markdown, code, archives and 3D models.Read 11 Oct 2026 · github.com

Integrations

Users can open files through Android's share sheet or Open with intents, and can browse folders using Android's system document picker.Read 11 Oct 2026 · github.com

Security

Gander says its build fails if a dependency adds a permission, and its About screen displays the permissions Android reports for the app.Read 11 Oct 2026 · arjun.maniyani.com

Privacy

The maker says the app requests no permissions, has no INTERNET permission, analytics, advertising, tracking, crash reporting, or account, and does not transmit files.Read 11 Oct 2026 · arjun.maniyani.com

Support

The maker invites issues and small pull requests, and provides an email address for organizations seeking managed-device use or features.Read 11 Oct 2026 · arjun.maniyani.com

License

Gander is MIT licensed, and the maker says its source is available on GitHub.Read 11 Oct 2026 · arjun.maniyani.com

Distribution

The maker lists Google Play, GitHub APK releases, and Obtainium as installation or update options; F-Droid is described as requested and in progress.Read 11 Oct 2026 · arjun.maniyani.com

Features

Features include file search, text selection and copying in PDFs, night mode for PDFs and Word files, printing, recent files, and folder browsing.Read 11 Oct 2026 · github.com

File handling

It opens files you choose through Android’s file picker, a granted folder, or another app’s “Open with” action.Read 11 Oct 2026 · arjun.maniyani.com

Formats

It supports formats including PDF, Word, Excel, PowerPoint, OpenDocument, Rich Text, ZIP, STL, images, video, audio, Markdown and code.Read 11 Oct 2026 · github.com

Install sources

The maker lists Google Play, GitHub APK releases and Obtainium as installation or update options; F-Droid is described as requested and in progress.Read 11 Oct 2026 · arjun.maniyani.com

Intended audience

The maker describes Gander as a general-purpose utility and invites organizations that want it on managed devices to get in touch.Read 11 Oct 2026 · arjun.maniyani.com

Limitations

Legacy .ppt files are unsupported, complicated PowerPoint decks may render approximately, and spreadsheet charts are not drawn.Read 11 Oct 2026 · arjun.maniyani.com

Notable limits

Gander is a viewer, not an editor; it does not support legacy .ppt files, and complex PowerPoint decks may render approximately while spreadsheet charts are not drawn.Read 11 Oct 2026 · arjun.maniyani.com

Platform requirement

Gander runs on Android 8.0 and up, and PDF viewing requires Android System WebView 125 or newer.Read 11 Oct 2026 · github.com

Requirements

Gander runs on Android 8.0 and up; viewing PDFs requires Android System WebView 125 or newer.Read 11 Oct 2026 · arjun.maniyani.com

Security reporting

The security policy asks users to report vulnerabilities privately through GitHub or by email and says the maintainer will reply within a week.Read 11 Oct 2026 · github.com

Security updates

The security policy says fixes go into the next release and older versions are not patched.Read 11 Oct 2026 · github.com

ZIP files

Gander lists ZIP contents like a folder and opens files directly from the archive without extracting them onto the phone.Read 11 Oct 2026 · github.com

Where Specifiction places it

• File Viewer Software#21 of 317.2