crocson — croc for Android, Windows, Linux, macOS.
File transfer from sender to receiver
- Via relay without port forwarding
- Desktop: drag-and-drop, command line, stdin pipe, queue holds only file and directory references
- Android: "Share" and "Open with" from file managers
WebDAV — two-way file transfer
- Built-in HTTP/HTTPS server
- File browsing via browser, streaming audio/video
- Tunneling through encrypted tunnel
Chat
- Web chat with session history
- Video calls, video messages, desktop screen sharing
- Server-side recording of webcam/microphone/screenshots (WebM/MP4/PNG) with chat publishing
Security
- End-to-end encryption (PAKE), one-time passwords (TOTP)
- Secret from input field or CROC_SECRET
- Choice of elliptic curve, relay password not disclosed to the other party
QR code and Deep Links
- QR code generation/scanning, support for Android scanners
- Deep Links for settings and WebDAV
Relay profiles
- Switching, local management from GUI or CLI
- Proxy: SOCKS5 (Tor), HTTP
Transfer settings
- .gitignore, file overwrite, compression, protection from deletion via WebDAV link
- Multiplexing, folder ZIP, speed limit
Interface
- Themes: system/light/grey/dark/black
- Font selection, 5 languages
CLI mode
- Pipes, text sending, transfer resuming, quiet mode
Versions
Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.
Download F-Droid
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x86_64
This version requires Android 6.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
-
allow Wi-Fi Multicast reception
Allows the app to receive packets sent to all devices on a Wi-Fi network using multicast addresses, not just your phone. It uses more power than the non-multicast mode.
-
run foreground service
Allows the app to make use of foreground services.
-
run foreground service with the type "mediaPlayback"
Allows the app to make use of foreground services with the type "mediaPlayback"
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
-
modify or delete the contents of your shared storage
Allows the app to write the contents of your shared storage.
Download APK
43 MiB
PGP Signature
|
Build Log
-
x86
This version requires Android 6.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
-
allow Wi-Fi Multicast reception
Allows the app to receive packets sent to all devices on a Wi-Fi network using multicast addresses, not just your phone. It uses more power than the non-multicast mode.
-
run foreground service
Allows the app to make use of foreground services.
-
run foreground service with the type "mediaPlayback"
Allows the app to make use of foreground services with the type "mediaPlayback"
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
-
modify or delete the contents of your shared storage
Allows the app to write the contents of your shared storage.
Download APK
40 MiB
PGP Signature
|
Build Log
-
arm64-v8a
This version requires Android 6.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
-
allow Wi-Fi Multicast reception
Allows the app to receive packets sent to all devices on a Wi-Fi network using multicast addresses, not just your phone. It uses more power than the non-multicast mode.
-
run foreground service
Allows the app to make use of foreground services.
-
run foreground service with the type "mediaPlayback"
Allows the app to make use of foreground services with the type "mediaPlayback"
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
-
modify or delete the contents of your shared storage
Allows the app to write the contents of your shared storage.
Download APK
42 MiB
PGP Signature
|
Build Log
-
armeabi-v7a
This version requires Android 6.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
-
allow Wi-Fi Multicast reception
Allows the app to receive packets sent to all devices on a Wi-Fi network using multicast addresses, not just your phone. It uses more power than the non-multicast mode.
-
run foreground service
Allows the app to make use of foreground services.
-
run foreground service with the type "mediaPlayback"
Allows the app to make use of foreground services with the type "mediaPlayback"
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
-
modify or delete the contents of your shared storage
Allows the app to write the contents of your shared storage.
Download APK
40 MiB
PGP Signature
|
Build Log
-
x86_64
This version requires Android 6.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
-
allow Wi-Fi Multicast reception
Allows the app to receive packets sent to all devices on a Wi-Fi network using multicast addresses, not just your phone. It uses more power than the non-multicast mode.
-
run foreground service
Allows the app to make use of foreground services.
-
run foreground service with the type "mediaPlayback"
Allows the app to make use of foreground services with the type "mediaPlayback"
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
-
modify or delete the contents of your shared storage
Allows the app to write the contents of your shared storage.
Download APK
43 MiB
PGP Signature
|
Build Log
-
x86
This version requires Android 6.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
-
allow Wi-Fi Multicast reception
Allows the app to receive packets sent to all devices on a Wi-Fi network using multicast addresses, not just your phone. It uses more power than the non-multicast mode.
-
run foreground service
Allows the app to make use of foreground services.
-
run foreground service with the type "mediaPlayback"
Allows the app to make use of foreground services with the type "mediaPlayback"
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
-
modify or delete the contents of your shared storage
Allows the app to write the contents of your shared storage.
Download APK
40 MiB
PGP Signature
|
Build Log
-
arm64-v8a
This version requires Android 6.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
-
allow Wi-Fi Multicast reception
Allows the app to receive packets sent to all devices on a Wi-Fi network using multicast addresses, not just your phone. It uses more power than the non-multicast mode.
-
run foreground service
Allows the app to make use of foreground services.
-
run foreground service with the type "mediaPlayback"
Allows the app to make use of foreground services with the type "mediaPlayback"
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
-
modify or delete the contents of your shared storage
Allows the app to write the contents of your shared storage.
Download APK
42 MiB
PGP Signature
|
Build Log
-
armeabi-v7a
This version requires Android 6.0 or newer.
It is built and signed by the original developer, and guaranteed to correspond to this source tarball.
Permissions
-
take pictures and videos
This app can take pictures and record videos using the camera while the app is in use.
-
allow Wi-Fi Multicast reception
Allows the app to receive packets sent to all devices on a Wi-Fi network using multicast addresses, not just your phone. It uses more power than the non-multicast mode.
-
run foreground service
Allows the app to make use of foreground services.
-
run foreground service with the type "mediaPlayback"
Allows the app to make use of foreground services with the type "mediaPlayback"
-
have full network access
Allows the app to create network sockets and use custom network protocols. The browser and other applications provide means to send data to the internet, so this permission is not required to send data to the internet.
-
read the contents of your shared storage
Allows the app to read the contents of your shared storage.
-
modify or delete the contents of your shared storage
Allows the app to write the contents of your shared storage.
Download APK
40 MiB
PGP Signature
|
Build Log