Take a gander at any file. A tiny, open source, fully offline file viewer for Android that opens PDF, Word, Excel, PowerPoint, photos, videos, audio, Markdown, text and code in one app, with zero permissions, no ads, no tracking and no internet access at all .

Every phone ships with a dozen half-viewers that bounce your documents to cloud services. Gander is the opposite: one small APK (about 15 MB) that renders everything on the device . It cannot phone home because it does not even hold the INTERNET permission.

Screenshots

Home: recents and folders Folder browsing PDF

Word (.docx) PowerPoint (.pptx) Excel (.xlsx)

Features

One viewer for everything : documents, spreadsheets, slides, images, video, audio, Markdown, code

Pinch zoom and smooth scrolling everywhere, with deep zoom into huge photos (tiled decoding)

Recent files with thumbnail previews (image, video frame, PDF first page)

Folder browsing through one-time system grants, still without any storage permission

Share sheet and "Open with"…