SEO & Webmaster Tools

Robots.txt Builder

Robots.txt Builder builds a clean robots.txt in your browser from your user-agent, allow, disallow, and crawl-delay rules.

Client-sideRuns entirely in your browser — your data never leaves your device.

Robots.txt Builder is a free SEO & Webmaster Tools utility that runs entirely in your browser — nothing you enter is uploaded.

robots.txt

How to use Robots.txt Builder

  1. Start by adding the text you want to process into Robots.txt Builder.
  2. Adjust the User-agent, Disallow paths (one per line), Allow paths (one per line) options to match what you need.
  3. Robots.txt Builder updates the output automatically as you type.
  4. When it looks right, Copy to save it.

About this tool

Robots.txt Builder is a static, client-side tool with no backend. Robots.txt Builder is a free SEO & Webmaster Tools utility that runs in your browser, doing its work on the input you provide without a backend.

It is designed to do one job well and stay out of your way. It behaves the same on desktop and mobile, with nothing stored remotely.

Frequently asked questions

How do I use Robots.txt Builder?

Robots.txt Builder lets you process your input right in the browser using the User-agent, Disallow paths (one per line) controls, with the result shown instantly and nothing uploaded.

Is Robots.txt Builder free to use?

Yes — Robots.txt Builder is completely free, with no usage limits.

Does Robots.txt Builder upload my data?

No — Robots.txt Builder processes everything locally in your browser, so nothing you enter is uploaded or stored.

Can I use Robots.txt Builder without a connection?

Yes — after the first load Robots.txt Builder runs entirely offline.

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