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About
Lightpanda Browser
The headless browser built from scratch for AI agents and automation. Not a Chromium fork. Not a WebKit patch. A new browser, written in Zig.
](https://github.com/lightpanda-io/browser/blob/main/LICENSE) [ ](https://github.com/lightpanda-io/browser) [
Benchmarks
Requesting 933 real web pages over the network on a AWS EC2 m5.large instance. See benchmark details.
| Metric | Lightpanda | Headless Chrome | Difference |
|---|---|---|---|
| Memory (peak, 100 pages) | 123MB | 2GB | ~16 less |
| Execution time (100 pages) | 5s | 46s | ~9x faster |
Quick start
Install
Install from the nightly builds
You can download the last binary from the nightly builds for Linux x86_64 and MacOS aarch64.
For Linux
curl -L -o lightpanda https://github.com/lightpanda-io/browser/releases/download/nightly/lightpanda-x86_64-linux && \
chmod a+x ./lightpandaLinux aarch64 is also available
For MacOS
curl -L -o lightpanda https://github.com/lightpanda-io/browser/releases/download/nightly/lightpanda-aarch64-macos && \
chmod a+x ./lightpandaMacOS x86_64 is also available
For Windows + WSL2
The Lightpanda browser is compatible to run on windows inside WSL. Follow the Linux instruction for installation from a WSL terminal. It is recommended to install clients like Puppeteer on the Windows host.
Install from Docker
Lightpanda provides official Docker images for both Linux amd64 and arm64 architectures. The following command fetches the Docker image and starts a new container exposing Lightpanda's CDP server on port 9222.
docker run -d --name lightpanda -p 127.0.0.1:9222:9222 lightpanda/browser:nightlyDump a URL
./lightpanda fetch --obey-robots --dump html --log-format pretty --log-level info https://demo-browser.lightpanda.io/campfire-commerce/You can use --dump markdown to convert directly into markdown. --wait-until, --wait-ms, --wait-selector and --wait-script are available to adjust waiting time before dump.
Start a CDP server
./lightpanda serve --obey-robots --log-format pretty --log-level info --host 127.0.0.1 --port 9222Once the CDP server started, you can run a Puppeteer script by configuring the browserWSEndpoint.
Example Puppeteer script
import puppeteer from 'puppeteer-core';Don't lose this
Three weeks from now, you'll want Browser again. Will you remember where to find it?
Save it to your library and the next time you need Browser, it’s one tap away — from any AI app you use. Group it into a bench with the rest of the team for that kind of task and you can pull the whole stack at once.
⚡ Pro tip for geeks: add a-gnt 🤵🏻♂️ as a custom connector in Claude or a custom GPT in ChatGPT — one click and your library is right there in the chat. Or, if you’re in an editor, install the a-gnt MCP server and say “use my [bench name]” in Claude Code, Cursor, VS Code, or Windsurf.
a-gnt's Take
Our honest review
Lightpanda: the headless browser designed for AI and automation. Best for anyone looking to make their AI assistant more capable in search & web. It's completely free and works across most major AI apps.
Tips for getting started
Tap "Get" above, pick your AI app, and follow the steps. Most installs take under 30 seconds.
What's New
Imported from GitHub
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