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How to Generate a robots.txt File Online for Free

Create a robots.txt file to control search engine crawlers — configure rules and sitemap URL, generated in your browser.

4 min read 2026-03-22

Generate robots.txt Online — Free & Private

Create a robots.txt file to control how search engine crawlers index your site — configure allow and disallow rules, block specific bots, and add your sitemap URL, all generated instantly in your browser.

A properly configured robots.txt file tells search engines which pages to crawl and which to ignore. This generator creates a valid robots.txt file with a live preview of exactly what crawlers will see.

How to Generate a robots.txt File Online

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Step 1: Configure Allow and Disallow Rules

Set which bots to target (use * for all), then add the URL paths you want to allow or disallow crawling for.

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Step 2: Add Your Sitemap URL

Enter the full URL of your sitemap.xml file so search engines can discover it from your robots.txt automatically.

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Step 3: Preview the Generated File

The robots.txt content updates live as you configure rules, showing you exactly what crawlers will see.

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Step 4: Download the File

Click Download to save the robots.txt file and upload it to the root of your website domain.

Why Use This Generator?

Completely Private

Your URL structure and crawl rules never leave your browser — no third party sees your site configuration.

Live Preview

The robots.txt output updates in real time as you add rules so you know exactly what you're deploying.

Download Ready

Download the robots.txt file directly and upload it to your website root.

Generate robots.txt — No Upload Required

Runs entirely in your browser — no upload, no account, no waiting.

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