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About
Folio is a fast, private, offline-first photo and video gallery and metadata explorer for Android. Your media stays on your device: no ads, no accounts, no analytics, no telemetry, and no crash reporting. Browse albums, tags, ratings, favorites, and reverse-geocoded places; dig into deep EXIF / IPTC / XMP metadata; see your geotagged photos on an OpenStreetMap map; open the nested, hidden, and non-indexed files a stock gallery hides in a real filesystem Explorer; and view RAW, motion photos, 360° panoramas, multi-page TIFF / HEIC, and Ultra HDR, all free. A capable libmpv-based player handles video with speed control, subtitles, track selection, and frame capture. Folio is free; a single one-time $3.99 Pro unlock (no subscription) adds advanced folder access, camera RAW develop, a full photo editor, bulk operations, and encrypted on-device vaults. It builds on the BSD-3-licensed Aves Gallery codebase.
What it does
- Photo and video gallery: albums, tags, ratings, favorites, and reverse-geocoded places
- Deep EXIF / IPTC / XMP metadata viewer with histogram and text export
- OpenStreetMap map of geotagged photos, plus GeoTIFF overlays (no Google Maps key)
- A real filesystem Explorer opens nested, hidden, and non-indexed files
- RAW viewing, motion photos, 360° panoramas, multi-page TIFF / HEIC, and Ultra HDR, all free
- Capable libmpv video player: speed, subtitles, track selection, frame capture, A-B loop
- Tags are written into the file (embedded XMP or sidecar), so they survive a reinstall
- Localized in 20 languages; no ads, no accounts, no analytics or telemetry
What you get free, and what the $3.99 unlock adds
Free
- Browse all photos and videos: albums, tags, ratings, favorites, and reverse-geocoded places
- Live search, saved filters, flexible grouping and layouts, and a 30-day recycle bin
- Full EXIF / IPTC / XMP viewer with histogram; export metadata to a text file
- Edit a single item (date, location by map or GPX, title, rating, tags), written into the file so they survive a reinstall
- OpenStreetMap map with GeoTIFF overlays; RAW viewing, motion photos, 360° panoramas, and Ultra HDR
- libmpv video player: playback speed, subtitles, track selection, frame capture, A-B loop
- Convert images, export GPX, extract video frames; DLNA casting, home-screen widget, screensaver, Android TV
- Browse and open encrypted vaults, with encrypted auto-backup that survives an uninstall
Pro · $3.99 one-time
- Advanced Folder Access: grant, then browse and open the nested, hidden, and non-indexed folders MediaStore hides
- Camera RAW develop: exposure, brightness, white balance, highlights, and noise on CR2 / CR3 / NEF / ARW / ORF (RAW viewing is free)
- Full photo editor: crop and straighten, adjust (brightness, contrast, saturation, warmth, tint), censor, brush, text, erase; export JPEG or PNG
- Bulk operations (2+ items): pattern rename ({name} {date} {seq} {ext}) and reliable date / time shift for photos and video
- Encrypted vaults: create AES-encrypted on-device vaults, unlocked by a passcode or a 12-word recovery phrase
Accuracy and limitations
Ultra HDR shows true HDR only on Android 14 and newer with an HDR-capable screen; on other devices it falls back to standard range. DLNA casting streams the file to your TV without transcoding, so a clip in a codec your TV does not support may not play there. Place names for geotagged photos come from your device's built-in geocoder (Google-backed on most phones), not from Folio. AVIF images decode only where the Android OS provides an AVIF codec (roughly Android 12 and newer); Folio bundles no AVIF decoder.
Privacy at a glance
- No personal data is collected by Folio.
- All app data is stored on your device.
- No analytics, no telemetry, no crash reporting.
- No account is required to use the app.
Read the full Folio privacy policy or learn about account and data deletion.
Permissions Folio requests
- Photos and videos (user-selected)
- To display the photos and videos you grant access to.
- Media location
- To read the geolocation tag stored inside a photo file (for the map view). Location is read from the file only and never collected by Folio.
- Set wallpaper
- To set a photo as your device wallpaper from within Folio.
- Post notifications
- To show progress of long-running operations such as batch export.
- Wake lock
- To keep the screen on during the slideshow and screen-saver modes.
- Internet
- Used on demand for three things: downloading OpenStreetMap map tiles when you open the map, resolving place names for geotagged photos through the Android platform geocoder, and verifying or restoring your Pro purchase (Google Play Billing and RevenueCat). Your photos and videos never leave the device through Folio.