Robots.txt Generator
Build a valid robots.txt file visually — control which bots can crawl which pages, then copy and upload.
Free Robots.txt Generator | Build & Validate Your robots.txt File Visually
Writing a robots.txt file by hand is error-prone and fiddly. One wrong path, one missing slash, and you could accidentally block Googlebot from your entire site. Our free robots.txt generator lets you build, validate, and copy a perfectly formatted robots.txt file visually — no code knowledge required.
What Is a Robots.txt File?
A robots.txt file is a plain text file that sits at the root of your website (e.g. yoursite.com/robots.txt) and tells search engine crawlers which pages or sections of your site they are — and aren’t — allowed to crawl. It’s one of the first files a search engine bot checks when it visits your site.
The robots.txt standard is called the Robots Exclusion Protocol. It uses simple directives to communicate with crawlers: User-agent to specify which bot the rules apply to, Disallow to block a path, Allow to explicitly permit one, and Sitemap to point crawlers to your XML sitemap.
A well-configured robots.txt file helps search engines crawl your site more efficiently, prevents them from wasting crawl budget on pages that don’t need to be indexed, and keeps sensitive or internal areas of your site out of search results.
How to Use This Robots.txt Generator
Step 1 — Choose a preset or start from scratch Select one of the six presets at the top — Allow All, Block All, WordPress, Shopify, Block AI Crawlers, or SEO Standard — to pre-fill a sensible starting configuration. Or start with a blank slate and build your own.
Step 2 — Add your sitemap URL Paste your XML sitemap URL into the site settings panel. This is strongly recommended — it tells crawlers exactly where to find your sitemap without having to discover it themselves.
Step 3 — Configure your bot rules Each section represents a User-agent block. Add rules using the Allow and Disallow toggles, enter the path you want to control, and use the quick-add buttons to add common bots like Googlebot, Bingbot, GPTBot, and others.
Step 4 — Validate and copy The validation panel on the right checks your file in real time — confirming you have a wildcard agent, a sitemap, valid paths starting with /, and no empty rules. When everything is green, hit Copy File and paste it into your site root.
Understanding Robots.txt Directives
User-agent specifies which crawler the rules below it apply to. Use * (wildcard) to target all bots. Use a specific name like Googlebot or GPTBot to target a single crawler. When a bot visits your site, it reads the first block that matches its user-agent name, then falls back to the wildcard block.
Disallow blocks a crawler from accessing a specific path. Disallow: /admin/ blocks the entire admin directory. Disallow: / blocks the entire site. Disallow: with nothing after it means allow everything — it’s equivalent to having no rule.
Allow explicitly permits a path that would otherwise be blocked by a broader Disallow rule. This is most commonly used to allow a specific file within a blocked directory — for example, allowing /wp-admin/admin-ajax.php while blocking the rest of /wp-admin/.
Crawl-delay is an optional directive supported by some bots (not Googlebot) that tells crawlers to wait a specified number of seconds between requests. This can reduce server load from aggressive bots but should be used carefully — too high a value can slow down legitimate crawling.
Sitemap points crawlers directly to your XML sitemap. Including this in your robots.txt is a best practice recommended by Google’s own Search Console documentation{target=”_blank” rel=”noopener”} — it ensures every crawler that reads your robots.txt also discovers your sitemap.
Robots.txt Best Practices for SEO
Following these rules every time you use a robots.txt generator will keep your crawl configuration clean, efficient, and safe.
Always have a wildcard block. Every robots.txt file should contain at least one User-agent: * block. Without it, bots that don’t match any specific user-agent block will have no instructions and may crawl everything by default.
Never block your CSS and JavaScript files. A common mistake in older robots.txt configurations is blocking /wp-content/ or similar directories that contain CSS and JavaScript. Google needs to render these files to understand your pages properly. Blocking them can lead to pages being misunderstood or ranked lower. Google’s guidance on robots.txt{target=”_blank” rel=”noopener”} explicitly warns against this.
Use robots.txt to manage crawl budget, not to hide pages. Robots.txt prevents pages from being crawled — it does not prevent them from being indexed. If Google has seen a URL linked from elsewhere, it can still index it even if robots.txt blocks crawling. To prevent indexing, use a noindex meta tag or X-Robots-Tag header instead.
Test your file before deploying. Use Google Search Console’s robots.txt tester{target=”_blank” rel=”noopener”} to check that your rules work as intended before uploading. A single misconfigured line can accidentally block your entire site from Google.
Keep your rules specific. Broad rules like Disallow: / are dangerous. Always be as specific as possible — block exact directories and paths rather than entire sections of your site unless you genuinely mean to.
Block AI crawlers if you want to protect your content. A growing number of AI companies send bots to scrape content for training data. Common ones include GPTBot (OpenAI), CCBot (Common Crawl), Google-Extended (Google’s AI training crawler), and anthropic-ai. Use our “Block AI Crawlers” preset to add all of these with a single click. For a comprehensive and up-to-date list, Dark Visitors{target=”_blank” rel=”noopener”} maintains a regularly updated database of known AI crawlers.
Frequently Asked Questions
What is a robots.txt generator? A robots.txt generator is a tool that helps you build a valid robots.txt file without writing code manually. You configure your rules visually — choosing which bots to target and which paths to allow or block — and the tool outputs a correctly formatted file ready to upload to your site root.
Where do I upload my robots.txt file? Your robots.txt file must be placed at the root of your domain — for example, https://yoursite.com/robots.txt. In WordPress, you can manage it via RankMath or Yoast SEO, or by uploading a file directly via FTP/SFTP to your public root directory. In Shopify, robots.txt is managed via the Shopify admin under Online Store → Themes → Edit Default Theme Content.
Does robots.txt affect SEO? Yes, directly. A misconfigured robots.txt can accidentally block Googlebot from crawling your pages, preventing them from appearing in search results entirely. Conversely, a well-configured robots.txt saves crawl budget by preventing bots from wasting time on admin pages, search results, and other non-indexable content — allowing them to crawl your important pages more frequently.
Can I block specific bots with robots.txt? Yes. Use a User-agent: directive followed by the bot’s name. For example, User-agent: GPTBot followed by Disallow: / will block OpenAI’s crawler from your entire site. Most major bots respect robots.txt — though some low-quality or malicious scrapers may ignore it entirely.
What’s the difference between robots.txt and noindex? Robots.txt controls crawling — whether a bot can visit a URL. The noindex meta tag controls indexing — whether a page appears in search results. A page blocked by robots.txt can still be indexed if Google has seen its URL elsewhere. A page with noindex will be de-indexed even if Google crawls it. Use robots.txt to manage crawl budget, and noindex to control what appears in search results.
Does robots.txt work for all bots? Only for bots that choose to respect it. All major search engines (Google, Bing, Yandex, DuckDuckGo) and most legitimate crawlers follow robots.txt. Malicious scrapers, spam bots, and some data harvesting tools do not. For those, server-level blocking (via .htaccess or firewall rules) is more effective.
How do I test if my robots.txt is working? Use Google Search Console’s robots.txt tester{target=”_blank” rel=”noopener”} to test your file against specific URLs and see whether Googlebot is allowed or blocked. You can also simply visit yoursite.com/robots.txt in a browser to confirm the file is live and accessible.
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No account required. No data stored. Your robots.txt is generated entirely in your browser.