About this app

B1 File Manager is a file explorer which allows to:
- unzip over 38 archive formats (multi-volume and password-protected);
- compress files into zip and b1 archives;
- manage the files in internal storage, external SD card and USB-drives;
- manage Dropbox, Google Drive, OneDrive, Box and 4shared cloud storages;
- stream media files from the cloud storages and via SMB with no need to actually download files (NOTE: streaming speed highly depends on your Internet connection speed).



Dear friends, a lot of hard work and efforts went into the development of B1 File Manager and the B1 team needs your support. You might have noticed that B1 File Manager now displays sponsored offers. This is what allows us to distribute B1 File Manger for free. However, we've listened to your feedback and we've introduced an option to disable ads for a small payment. The option is available from the menu in the action bar. Whatever you choose, it will help us in further development of B1 File Manager. Thank you! - Regards, Adam Buyer


NOTE: Due to changes in Google’s policy, B1 File Manager and B1 Free Archiver have no permission to write to an external SD card. A workaround can be found here: http://blog.b1.org/sandbox-an-easier-work-with-sd-card-in-kitkat/


The creators of B1 Free Archiver bring to you the ultimate tool for handling files on your device - B1 File Manager.
B1 File Manager is a full-featured and free file explorer with support for most popular cloud storage, networks and archives.


Main features:


* File explorer
- Browse the content of the internal storage, external SD card, USB drives, cloud storages and networks
- Move, delete, copy, paste, rename and view details for files and folders
- Multi-selection of files and folders
- Easy-to-use and intuitive UI
- Fast file Search
- Immediate Media Library synchronization keeps your music player and picture viewer content updated
- Create Bookmarks for easy access to your favorite and most frequently visited folders;
- Filter options allow to display files with a certain extension


* Cloud storage manager
- Dropbox support
- Google Drive support
- Microsoft OneDrive (former SkyDrive) support
- Box.com support
- 4shrared support
- Video, music and other files streaming
- Support for unlimited storage accounts
- Create new accounts without leaving the app
- Accounts are saved automatically with no need to re-login


* Networks manager
- Built in FTP client
- Built in SFTP client
- SMB support


* Archive manager
- Decompress zip files (unzip), decompress rar files (unrar)
- Create b1 and zip archives
- Open 7z, apk, a, ar, arj, bz2, bzip2, cab, deb, gz, gzip, jar, iso, lha, lzh, lzma, mtz, rpm, tar, tar.bz2, tbz, tbz2, tar.gz, tgz, tpz, taz, tar.lzma, tar.xz, tar.Z, xap, xar, xz, Z, zipx
- Browse files inside archives without actual extraction
- Open password-protected zip, rar and 7z
- Partial extract - extract only selected files, not the whole archive
- Support for zip with non-Latin symbols
- Open multi-part (split) rar and b1 archives (part0001, z01, 001, part01)
- Use preset multi-volume archive sizes for easy share via email, CD/DVD burn or set any custom size
- Compress files into zip or b1 archives
- Create password-protected zip and b1 archives
- Progress in notification area and work in background mode


B1 Free Archiver is available for Android, Windows PC, Mac and Linux. Visit our official site for additional information: http://b1.org/
If you have any feature request, please, submit it to support@b1.org.
B1 File Manager does not collect, sell, rent, or share any personally identifiable information about the user to the third-parties. System permissions required solely for the purpose of correct functionality of its current and upcoming features.

App Permissions

Allows applications to change network connectivity state.
Allows applications to change Wi-Fi connectivity state.
Allows applications to perform I/O operations over NFC.
Allows applications to connect to paired bluetooth devices.
Allows applications to discover and pair bluetooth devices.
Allows an application to read or write the system settings.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows access to the vibrator.
Allows applications to set the wallpaper.
Allows access to the list of accounts in the Accounts Service.
Allows an application to collect battery statistics
Allows an application to modify global audio settings.
Allows an app to create windows using the type TYPE_APPLICATION_OVERLAY, shown on top of all other apps.
This constant was deprecated in API level 21. No longer enforced.
Allows applications to open network sockets.
Allows applications to access information about networks.
Allows an application to write to external storage.
Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.
Allows an app to access approximate location.
Allows an app to access precise location.
Allows applications to access information about Wi-Fi networks.
Allows an application to read from external storage.