🤖 Robots.txt Generator
Generate a properly formatted robots.txt file to tell search engine crawlers which pages to index or avoid.
What This Tool Does
This tool generates a robots.txt file — the small text file that tells search engine crawlers which parts of your site they may and may not access. Specify your rules and it produces a correctly formatted file to place at your site's root. It is a fundamental piece of technical SEO, giving you control over how search engines crawl your site without needing to remember the exact syntax.
Every website can have a robots.txt file, and search engine crawlers check it before exploring a site. Getting it right matters: a good robots.txt guides crawlers efficiently, while a mistaken one can accidentally hide your whole site from search engines. This generator builds a valid file from your choices, helping you avoid the syntax errors that cause those costly mistakes.
How robots.txt Works
The robots.txt file lives at the root of your site and contains simple rules directed at web crawlers. The core directives are User-agent (which crawler the rules apply to, with an asterisk meaning all), Disallow (paths the crawler should not access), and Allow (exceptions that permit access). You can also point to your sitemap. Crawlers read this file first and, for the well-behaved ones, follow its instructions about where they may go.
An important nuance is what robots.txt does and does not do. It requests that compliant crawlers avoid certain paths, which is useful for keeping them away from unimportant or duplicate areas and for managing how crawl effort is spent. However, it is not a security or privacy measure — it does not prevent access, only politely asks well-behaved crawlers to stay away, and the file itself is publicly visible. So you should never use it to try to hide sensitive content; it is a tool for guiding legitimate search crawlers, not for protecting private information.
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Using robots.txt Wisely
The main legitimate uses are guiding crawlers efficiently and avoiding the indexing of pages that should not appear in search. You might disallow crawling of admin areas, internal search results, duplicate content, or sections that waste crawl effort without adding search value. For large sites especially, directing crawlers toward your important content and away from low-value areas helps search engines spend their limited crawl budget where it matters. Pointing to your sitemap in the file also helps crawlers discover your pages.
The biggest risk is doing too much. A single overly broad disallow rule can accidentally block search engines from your entire site, which would remove it from search results — a genuinely serious and surprisingly common mistake. So caution is essential: block only what you specifically intend to, double-check your rules, and remember that for keeping a page out of search results entirely, other methods are usually more reliable than robots.txt alone, since a disallowed page can still sometimes appear in results. After creating or changing your robots.txt, it is wise to verify it does what you expect. Used carefully, it is a valuable tool; used carelessly, it can do real harm, which is why getting the file right matters.
Quick Tips
- Place the file at your site's root, where crawlers look for it.
- Be very careful with broad Disallow rules — one mistake can hide your whole site from search.
- robots.txt guides well-behaved crawlers but is not a security measure; never use it to hide sensitive content.
- Point to your sitemap in the file to help crawlers discover your pages.
Frequently Asked Questions
What is a robots.txt file?
It is a text file at your site's root that tells search engine crawlers which parts of your site they may and may not access. Crawlers check it before exploring your site and, if well-behaved, follow its rules.
Can robots.txt hide private content?
No. It only asks compliant crawlers to avoid certain paths and is itself publicly visible. It is not a security or privacy measure, so never rely on it to protect sensitive information.
What is the biggest robots.txt mistake?
An overly broad Disallow rule that accidentally blocks search engines from your entire site, removing it from search results. Always double-check your rules and block only what you specifically intend.
Why point to my sitemap in robots.txt?
Including your sitemap location helps crawlers discover all your pages efficiently. It is a simple addition that supports better, more complete crawling of your site.
Built for SEO, Free to Use
This generator runs entirely in your browser, producing a correctly formatted robots.txt file from your choices. It needs no account or download and works on any device. Like every tool here, it is free to use as often as you like.
Related Tools
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