Lightpanda

Category: Infra (Headless Browser Engine)

Tagline: The first browser for machines, not humans.

What It Is

Lightpanda is a headless browser engine written in Zig, designed exclusively for automation, web crawling, and AI agents. Unlike Chromium or WebKit-based tools, Lightpanda does not render graphics. It executes JavaScript fully while consuming far less memory and CPU than traditional headless Chrome.

Internal benchmarks claim 9x faster execution and 16x lower memory use compared to Chrome, making it suitable for high-concurrency scraping and agent workloads where running full Chromium is cost-prohibitive.

Lightpanda is not based on Chromium, Blink, or WebKit. It is a ground-up implementation.

Pricing

Tier	Cost
Open source (self-hosted, local binary or Docker)	Free
Cloud API (wss://euwest.cloud.lightpanda.io)	Request access (commercial, pricing not published)

The open-source binary and npm package are free. Cloud API access requires contacting Lightpanda directly.

License

AGPL-3.0. Commercial use of the source may require a separate commercial license. Review the license terms before embedding in a proprietary product.

Official Links

• Site: https://lightpanda.io
• Docs: https://lightpanda.io/docs
• GitHub: https://github.com/lightpanda-io/browser

Safety and ToS Notes

• Licensed under AGPL-3.0. Any modifications distributed in a network-facing service must be open-sourced under AGPL terms.
• The --obey-robots flag is available and recommended for crawl workloads that must respect robots.txt.
• Cloud API access is gated; do not use a shared token in public repositories.