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Tech riderRev. 30 Sept 2026

B1 Archiver

Ch 047.4of 34 File Compression Software
  1. 1Runs onAndroid, Linux, Mac, Web, Windows
  2. 2CostsFree plan
  3. 3Archive formatsCreates B1 and ZIP; extracts more than 40 archive formats
  4. 4Archive encryptionYes
  5. 5Split archivesYes
  6. 6Supported platformsWindows, Linux, macOS, Android, web
6 lines stated Written from the maker's own pages: b1.org, online.b1.org
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The B1 Archiver homepage

Overview

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

B1 Archiver plans and pricing

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

Compared on file compression software

Free plan
Yesb1.org
Archive formats
Creates B1 and ZIP; extracts more than 40 archive formatsb1.org
Archive encryption
Yesb1.org
Split archives
Yesb1.org
Supported platforms
Windows, Linux, macOS, Android, webb1.org

Facts

Purpose
B1 Free Archiver creates and extracts archives, and the online archiver extracts files from b1, zip, rar, 7z and other archives.b1.org · 30 Sept 2026
Formats
The desktop archiver supports almost 40 archive formats, including b1, zip, rar, rar5 and 7z.online.b1.org · 30 Sept 2026
Desktop platforms
B1 Archiver works on Windows, Linux, Mac, Android and as a web application.online.b1.org · 30 Sept 2026
Archive creation
The desktop application can create b1 and zip archives.b1.org · 30 Sept 2026
File management
The Android version works as both a file manager and an archiver.online.b1.org · 30 Sept 2026
Encryption
The b1 format supports password protection using 256-bit AES encryption.online.b1.org · 30 Sept 2026
Integrity check
B1 checks archive integrity with the Adler-32 algorithm before unpacking.online.b1.org · 30 Sept 2026
Online file deletion
The online archiver says uploaded files are completely deleted a few minutes after the page is closed.b1.org · 30 Sept 2026
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.b1.org · 30 Sept 2026
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.b1.org · 30 Sept 2026
Support
Support is offered by email at [email protected] and is provided in English only.b1.org · 30 Sept 2026
Format licensing
The b1 archive format is described as open source and available for personal and commercial use.online.b1.org · 30 Sept 2026

Company

Founded
2011b1.org · 28 Sept 2026
Headquarters
Tallinn, Estoniab1.org · 28 Sept 2026

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Where it ranks on Specifiction

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