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robots.txt Generator

Generate robots.txt with Allow/Disallow via GUI.

▶About this tool

This tool generates robots.txt in one click. Three features: 1) Set User-agent, Allow, Disallow, Sitemap via GUI, 2) Control crawler allow/deny, 3) Copy generated robots.txt to place at root. Ideal for SEO and crawl control.

Tool interface 

  
 
 
   
 
 
The Developer's Guide to robots.txt and SEO Crawling
 

Before a search engine like Google or Bing crawls your website, it always looks for one specific file: robots.txt. This simple text file acts as the ultimate gatekeeper, dictating which parts of your site should be indexed and which should be ignored. However, a single syntax error can accidentally de-index your entire site. This guide covers proper syntax, the concept of crawl budgets, and the critical distinction between Disallow and Noindex.

 
 
 
What is the robots.txt File?
 

The robots.txt file is a plain text file located at the absolute root of your domain (e.g., https://example.com/robots.txt). It communicates with web robots (often called crawlers or spiders) using the Robots Exclusion Protocol (REP). Whenever a bot visits your site, its first action is to read this file to determine its permitted access scope.

 
 
💡 Optimizing Your Crawl Budget
 

For large websites or e-commerce platforms, robots.txt is crucial for SEO performance. Search engines assign a "crawl budget" to your site—a limit on how many pages they will scan per day. By blocking useless pages (like internal search results, API endpoints, or pagination variations), you force bots to spend their budget crawling your high-value, revenue-generating content.

 
 
 
 
Core Syntax and Rule Formats
 

A standard robots.txt file relies on two primary directives: User-agent (the name of the bot) and Disallow (the path to block).

 
1. Allow Everything (The Default)
 
This is equivalent to not having a robots.txt file at all. Every bot has full access.
 
  
  
  
User-agent: *
Disallow:
  
 
 
  
2. Block Everything (Proceed with Caution)
 
Highly dangerous for production sites. Do not use this unless your site is still in development or completely private, as it will erase your site from Google.
 
  
  
  
User-agent: *
Disallow: /
  
 
 
  
3. Restrict Specific Directories
 
The most common usage pattern. Useful for hiding admin panels, user dashboards, and API endpoints.
 
  
  
  
User-agent: *
Disallow: /wp-admin/
Disallow: /dashboard/
Disallow: /api/
  
 
 
  
4. Block AI Bots and Data Scrapers
 
You can target specific malicious bots or AI scrapers (like OpenAI's GPTBot) without affecting Googlebot.
 
  
  
  
User-agent: GPTBot
Disallow: /
  
 
 
  
5. Point to Your XML Sitemap
 
Help search engines discover your pages faster by explicitly stating the location of your sitemap.
 
  
  
  
Sitemap: https://example.com/sitemap.xml
  
 
 
  
 
 
【Critical】 Disallow vs. Noindex
 

The most frequent SEO mistake developers make is confusing a robots.txt Disallow directive with an HTML Noindex meta tag. They serve fundamentally different purposes and can cause severe indexing issues if mixed up.

 
 
  
 Functionality robots.txt (Disallow) HTML Meta (Noindex) 
   
 Crawling Behavior Strictly blocks the crawler from fetching the page Allows the crawler to fetch and read the page 
 
 Search Results (SERPs) The URL may still appear in Google if linked from other sites Guarantees removal from Search Results 
 
 Primary Use Case Saving crawl budget and reducing server load Removing low-quality or duplicate content from an index 
  
 
 
 A Scenario of Doom: Imagine you want to hide a specific page from search results. You immediately add it to robots.txt as Disallow. However, because Google is now forbidden from reading the page, it can never see the HTML Noindex tag you placed in the header! As a result, Google knows the URL exists but doesn't know what's on it, often displaying an ugly, description-less link in search results.

 

If your goal is to unequivocally drop a page from Google's index, you must ALLOW crawling in robots.txt, and rely entirely on the <meta name="robots" content="noindex"> tag on the page itself.

 
 
 
Why Use This Generator?
 

Writing a robots.txt file by hand invites syntax errors, misplaced wildcards, and incorrect trailing slashes—mistakes that can inadvertently tank your SEO rankings. Our robots.txt generator provides a visual, error-free interface. By simply toggling rules and pathways, you can instantly generate a perfectly formatted file ready to be deployed to your root directory.

 

  
 
 
 
Usage
 
     
  1. Enter User-agent, Allow, Disallow, Sitemap in the GUI
  2. Generated robots.txt content is displayed
  3. Copy and place as robots.txt at domain root
    4.  
 
 
 
When to use
 
Crawl control, hide admin, specify sitemap.
 
 
 
Examples
 
Disallow: /admin/, Sitemap: https://example.com/sitemap.xml
 
  
 
FAQ
 
 
 
What is robots.txt?
 
Tells crawlers what to crawl. Disallow blocks, Allow permits, Sitemap points to sitemap.
 
 
Is Disallow a hard block?
 
Advisory, not enforced. Use auth for sensitive content.
 
 
How to use robots.txt generator?
 
Enter User-agent, Allow, Disallow, Sitemap in GUI. Copy generated robots.txt to root.
 
 
Block admin from crawlers?
 
Disallow: /admin/. This tool generates robots.txt with your paths.
 
 
Specify Sitemap?
 
Sitemap: https://example.com/sitemap.xml. Add in this tool.
 
 
Allow vs Disallow priority?
 
More specific path wins. Disallow: / and Allow: /public/ → /public/ allowed.
 
 
robots.txt for Googlebot?
 
User-agent: Googlebot. This tool supports multiple User-agents.
 
 
Where to put robots.txt?
 
Domain root (https://example.com/robots.txt). Subdir has limited effect.
 
 
Crawler control best practices?
 
Disallow admin, API, search results. Allow important pages. Sitemap for discovery.
 
 
Does robots.txt affect SEO?
 
Affects crawl frequency and scope. Blocking important pages = no index. Use carefully.
 
 
 
 
 
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