B1 Archiver

7.1easy start · #4 of 34
in File Compression Software

Runs on Android, Linux, Mac, Web, Windows.

B1 Archiver is ranked #4 of 34 in file compression software on The Geeks Club. It runs on Android, Linux, macOS, Web, Windows. There is a free plan.

B1 Archiver plans and pricing

B1 Free Archiver Free 100% free for personal and commercial use; no registration online.b1.org · 30 Sept 2026

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Purpose: B1 Free Archiver creates and extracts archives, and the online archiver extracts files from b1, zip, rar, 7z and other archives.
Formats: The desktop archiver supports almost 40 archive formats, including b1, zip, rar, rar5 and 7z.
Desktop platforms: B1 Archiver works on Windows, Linux, Mac, Android and as a web application.
Archive creation: The desktop application can create b1 and zip archives.
File management: The Android version works as both a file manager and an archiver.
Encryption: The b1 format supports password protection using 256-bit AES encryption.
Integrity check: B1 checks archive integrity with the Adler-32 algorithm before unpacking.
Online file deletion: The online archiver says uploaded files are completely deleted a few minutes after the page is closed.
Privacy: The privacy policy says B1 does not knowingly collect identifying personal data, while it may collect non-personally identifiable server information such as IP address and browser type.
Mobile app data: The privacy policy says Epom Ltd. may collect app and device usage data, including location and network performance, for anonymous ad-related use in B1 apps.
Support: Support is offered by email at [email protected] and is provided in English only.
Format licensing: The b1 archive format is described as open source and available for personal and commercial use.
Founded: 2011
Headquarters: Tallinn, Estonia
Price from: Free

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