
Free, open-source plain-English CLI for AI browser automation with zero API keys.
By Tanmay Verma, Founder · Last verified 03 Jul 2026
In short
BrowserBash — Free, open-source plain-English CLI for AI browser automation with zero API keys. Best for QA engineers wanting to avoid brittle selectors and flaky CSS locators, SDETs building maintainable test suites with plain-English readability, Developers adding quick browser automation to CI pipelines without complexity. Free to use.
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BrowserBash delivers on its promise: free, open-source browser automation with no API keys. The CLI is genuinely zero-cost, and the cloud dashboard's 15-day retention is generous. Teams needing longer retention will wait for the paid tier, but for most CI and ad-hoc testing, this is a slam dunk.
Skip BrowserBash if Skip BrowserBash if you need long-term cloud run storage beyond 15 days today, or require a fully managed SaaS with no local installation.
Last verified: July 2026
Across the latest 5 updates: 4 feature updates and 1 launch.
New local dashboard command runs entirely on your machine; --upload pushes runs to cloud; free cloud retention set to 15 days.
API keys now expire after 30 days; per-account rate limit introduced; CLI-cloud health check added.
Session recording via --record captures video and screenshots; stored in cloud; replay available in dashboard.
CLI can connect to account via browserbash connect and sync runs; new Runs API; cloud dashboard run history.
Initial release: plain-English objectives, local Chrome, Markdown tests, Ollama/OpenRouter/Anthropic backends, NDJSON agent mode.
How likely is BrowserBash to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.
Last calculated: July 2026
How we score →BrowserBash is a free, open-source natural-language CLI that turns plain-English objectives into real browser actions using an AI agent. Designed for QA engineers, SDETs, and developers, it eliminates the need for CSS selectors, XPath, or code maintenance—just describe what you want and the agent handles clicks, typing, and navigation. The tool runs on free local models via Ollama or free OpenRouter models, requiring no API keys or credit cards. It supports real local Chrome, any CDP endpoint, and cloud grids like Browserbase, LambdaTest, and BrowserStack. As of June 2026, BrowserBash v1.3.1 introduced a free local web dashboard, an --upload flag to push runs to cloud on demand, and set free cloud retention to 15 days. The CLI installs with npm install -g browserbash-cli and requires no signup. A free cloud account adds a dashboard with run history, video recordings, and per-run replay, with runs kept for 15 days. The only paid feature is optional extended cloud retention, coming soon.
BrowserBash stands out for its emphasis on being free and open-source with no vendor lock-in. The default stack (Ollama + Stagehand + local Chrome) costs zero dollars and phones nothing home. The tool is well-suited for QA engineers frustrated with flaky CSS selectors, SDETs building maintainable test suites, and developers adding quick browser automation to CI pipelines. The markdown test file format with @import composition is a clever way to keep tests readable and committable. The agent mode with NDJSON output and exit codes makes it easy to integrate with CI. Weaknesses include the 15-day cloud retention cap (extended retention coming soon but not yet available) and the tool's dependency on the underlying LLM's ability to understand objectives—complex instructions may fail. For teams that need a managed SaaS or on-premise dashboard, BrowserBash's cloud dashboard is hosted; on-prem is not available. Compared to paid alternatives like Browserbase or LambdaTest, BrowserBash is free but has a smaller feature set and limited cloud storage. Overall, it's a strong tool for teams that prioritize cost savings and open-source transparency.
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Concrete scenarios for the personas BrowserBash actually fits — and what changes day-one when you adopt it.
Write a plain-English objective like 'Open https://example.com/login, enter username and password from env vars, click submit, and verify the dashboard heading'
Outcome: Run with `browserbash run` using a free local Ollama model; test passes or fails with exit code. No selectors or page objects needed.
Create a `checkout_test.md` file with @import for shared login steps and variable templating for test data
Outcome: The test runs in GitHub Actions via `browserbash run checkout_test.md --headless --agent`; exit code gates the pipeline. NDJSON output allows parsing results.
Use a single command: `browserbash run 'Go to Hacker News and save the top 5 story titles as CSV'`
Outcome: Data extracted and stored locally without writing any code. No account needed.
as of 2026-07-03
as of 2026-07-03
Project the real annual outlay, including the implied monthly cost when only an annual tier is published.
Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.
For each published BrowserBash tier: who it actually fits, and what it adds vs. the previous tier. Cross-reference the cost calculator above for projected annual outlay.
Free
$0/mo
Ideal for
Individual developers, QA engineers, and small teams who need browser automation without any cost. Great for CI pipelines and ad-hoc tasks with cloud retention up to 15 days.
What this tier adds
Free tier includes the full open-source CLI, local dashboard, cloud account with 15-day retention, and all features—no locked capabilities.
Supporter
Coming soon
Ideal for
Teams and power users who need cloud run history kept longer than 15 days and want to support the project.
What this tier adds
Adds extended cloud retention beyond 15 days (coming soon); all Free features included.
The company stage and team size where BrowserBash's pricing actually pencils out — and where peers do it cheaper.
BrowserBash is free forever for the CLI and cloud dashboard with 15-day retention—no credit card or API keys required. This makes it ideal for individual developers, small teams, and cost-conscious startups. The only optional paid feature is extended cloud retention coming soon. Compared to Browserbase or LambdaTest, which charge per-minute or per-run, BrowserBash offers significant savings.
How long it actually takes to get something useful out of BrowserBash — broken out by persona, not the marketing-page minute.
Install the CLI with `npm install -g browserbash-cli` and you can run your first automation in under 60 seconds—no signup required. For the cloud dashboard, create a free account and run `browserbash connect` to sync runs; that takes another 2 minutes.
How to bring data in from common predecessors and how to get it back out — written for the switcher, not the buyer.
Educational content from browserbash.com
Step-by-step walkthrough from browserbash.com
Helpful link from browserbash.com
Helpful link from browserbash.com
Helpful link from browserbash.com
Helpful link from browserbash.com
Helpful link from browserbash.com
Helpful link from browserbash.com
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