The agent, built in
Web, browser and HTTP tools with 40+ model providers and adjustable thinking effort. Pause and take over mid-task — it never acts behind your back.
Rex Browser · v0.1.0
The agent, in a browser.
An AI browser for Windows, Linux and Android with the REX agent in a side panel. It reads pages, clicks, types, fills forms and calls APIs to automate real work — while you watch and can take over at any moment. Browsing and search are free; the agent uses your rxdsec account.
Dangerous-site protection
Known malware and phishing sites are blocked with a warning. Lists refresh every few hours and are checked on your device — the sites you visit are never sent anywhere.
HTTPS by default
Every http:// address is tried over HTTPS first; sites without it fall back and are marked “Not secure.” Bad certificates are never bypassed.
Private and fast
Ad and tracker blocking (Shields), Global Privacy Control, and a private mode the agent can’t see. Your data stays on your device.
Verified auto-updates
Updates come straight from GitHub releases and are checked against a SHA-256 checksum before they install. A mismatch is discarded.
One account, every device
Windows, Linux and Android, native on each, with the same rxdsec account — the one you already use for REX.
Download
Get Rex Browser — free.
Version 0.1.0 · verified downloads · auto-updates
WindowsInstaller · 10/11 · x64.exe
LinuxDebian · Ubuntu · Kali.deb
LinuxAny distro · tarball.tar.gz
Android8.0+ · sideload APK.apk
Browsing and search are free. The agent needs an rxdsec account. Windows isn’t code-signed yet, so SmartScreen may warn — choose “More info → Run anyway.”