Get Browser4 on Windows, macOS or Linux Now!
Open-source developer tool with a documented one-command setup.
Get Browser4 with one command
Pick your system, reveal the step-by-step guide, copy the command, paste it into your terminal and press Enter. This command was taken from the project's own documentation and checked against it.
Not available for Windows yet.
Browser4 doesn't publish an install command for Windows anywhere we can verify, so there's nothing for us to show you. We won't invent one. It does document one for macOS and Linux — switch to that tab.
Pastes into PowerShell and installs Browser4 on your Windows machine in one step — no manual setup, no build tools. It fetches the project's own install script and runs it, which is the standard way these tools ship — worth a read if you like to know what's running.
Not available for macOS yet.
Browser4 doesn't publish an install command for macOS or Linux anywhere we can verify, so there's nothing for us to show you. We won't invent one. It does document one for Windows — switch to that tab.
Pastes into your terminal and installs Browser4 on your macOS or Linux machine in one step — no manual setup, no build tools. It fetches the project's own install script and runs it, which is the standard way these tools ship — worth a read if you like to know what's running.
How to set up Browser4, step by step
On Windows, open PowerShell (press Win, type PowerShell, hit Enter) and paste the command. On macOS or Linux, open Terminal — on a Mac it's in Applications ▸ Utilities, or press Cmd+Space and type Terminal — and paste the command there.
Run Browser4 --help to see the available commands, and
Browser4 --version to confirm the install worked. If your shell complains about
permissions, that project usually documents a corrected command on its own site.
This asks PowerShell to download a small installer script from the project, then execute it in memory. Nothing is saved to disk. The script is the project's own, but it's worth reading it first — that's why there's a note above.
What Browser4 does
- Support & Community
- Agent Browser — AI agents and humans drive real browsers via a Rust CLI, MCP, and an agentic backend: navigate, click, fill, snapshot, batch, and loop
- Hybrid Intelligence — Combine LLM extraction, ML clustering, X-SQL, and a progressive experience store that reuses learned selectors and blockers
- High-Performance Runtime — Coroutine-safe, CDP-native engine designed for 100k–200k complex page visits per machine per day via swarm/crawl scale-out
- Enterprise-Scale Automation — Swarm crawling, batch/loop jobs, stateful sessions, plugins, runtime skills, browser extension, and MCP-over-HTTP
- Two page views: is for interactive work with element refs like; is for DOM/X-SQL extraction with CSS selectors
Summarised from Browser4's own README.
About Browser4
Open-source developer tool with a documented one-command setup.
| Category | Command-line tool |
|---|---|
| Install method | PowerShell one-liner (irm | iex) |
| Windows | documented install command available |
| macOS / Linux | documented install command available |
| Price | Free and open source |
| Command verified | Yes — checked against the project README |
| Popularity | 1.1k stars on the project's public repository |
On mobile
Browser4 is a command-line tool, so there is no phone app for it — a phone has no shell to run it in. You'll need a desktop, or a remote shell into a machine that has one.
Browser4 is developed by its own authors. This page is an independent reference; we are not affiliated with or sponsored by the project. The command shown here was reproduced from the project's public documentation — always check the project's own documentation before running anything.