Off By One specifications

Off By One is a web browser developed by Off By One Project / Developers, engineered with the Blink / Chromium rendering engine to provide reliable web page rendering, secure navigation, and web compatibility.

Developer Off By One Project / Developers
Browser engine Blink / Chromium
Supported platforms Windows, macOS, Linux, Android, iOS

Latest Off By One versions:

Latest Off By One user agents:

User Agent PlatformDevice
Mozilla/4.7 (compatible; OffByOne; Windows 98) Webster Pro V3.2 Windows 98Unknown
Mozilla/4.7 (compatible; OffByOne; Windows 98) Windows 98Unknown
Mozilla/4.7 (compatible; OffByOne; Windows 2000) Webster Pro V3.4 Windows 2000Unknown
Mozilla/4.7 (compatible; OffByOne; Windows 2000) Windows 2000Unknown