Advanced Free Robots.txt Generator Tool for Modern SEO

Robots txt generator that allows contemporary web developers, bloggers, and advanced SEO specialists to create robots.txt with full control over Googlebot, Bingbot, AI scrapers, and other crawlers.

WriteByHand team has been growing exponentially during the last 5 months. We have witnessed the need for this robots txt generator tool and saw that classic SEO tools are no longer up-to-date. We have created the ultimate robots txt creator to help advanced SEO experts, bloggers, web developers, and companies to take full control over Googlebot and other crawlers. Advanced robots txt generator allows you to block AI scrapers, protect from other bots, use unique features like competitor audit tools, and manage parameters to make search engines index only your money pages.

What is Robots.txt, and Why Should You Use a Robots.Txt Generator?

Before using our free robot txt generator, you need to understand what robots.txt is and how it works in general.

Robots.txt is a standard text file that should be placed in the root directory of your domain (example.com/robots.txt). This file tells search engine crawlers which files and directory on your site can or cannot be crawled or indexed. In other words, robots.txt is a receptionist for your website that communicates with search engine crawlers using the Robots Exclusion Protocol.

When Googlebot or any other search engine crawler comes to your site for the first time, it will look for robots.txt. This file tells crawlers which files and directory should be crawled/indexed and which should not.

Robots.txt generator is a great way to improve your website’s SEO for multiple reasons:

1. Crawl budget optimization
Google allocates a certain amount of crawl budget for each site. If Googlebot wastes its budget crawling junk pages, your valuable content may not get indexed.
2. Server protection
Some crawlers, especially malicious bots, can overload your server. A good robots.txt generator will help you block such bots and save server resources.
3. Hiding irrelevant content
You most likely want search engines to index only your money pages. Also, some pages like search results or PDF documents may not be useful for users to see in Google. Having the right robots.txt generator is crucial for hiding irrelevant content.

Why is Our Generator Robot Txt the Best Option on the Market?

Most free robots txt generators online are plain and only allow you to add user-agents and disallow URLs. However, in 2026, we need more sophisticated tools to keep our website safe and SEO optimized. Our team has been working hard to create this ultimate robots.txt file generator with unique options to block various bots and manage your site’s SEO. Here are some highlights:

1-Click AI Bot Blocker

In the age of generative AI, many companies are using large language models to scan the internet. Such AI bots are often crawling sites to collect information about the web and improve search algorithms. However, AI web crawlers are often spammy and consume website resources without giving much value in exchange. With our robot txt generator, you can block such AI scrapers with one click. Using the 1-click AI bot blocker, you can block such AI web crawlers as GPTBot, ChatGPT-User, Claude-Web, Google-Extended, Applebot-Extended, etc.

SEO Competitor Tool Blocker

Unfortunately, it is not enough to have a great product or an amazing blog. You need to do everything possible to make other companies unable to steal your hard work and optimize their sites the same way. Our robots.txt generator has an SEO competitor tool blocker that allows you to block the most popular SEO audit tools. Turning on this option will block crawlers from Ahrefs (AhrefsBot), Semrush (SemrushBot), Moz (rogerbot), Majestic (MJ12bot), and many others.

CMS Presets (WordPress, Shopify, Ghost, etc.)

Do you know all the directories that should be blocked on WordPress or Shopify? If not, there is no reason to worry! Our robots file generator has CMS presets that make blocking unnecessary pages effortless. For example, if you use WordPress, the presets will block /wp-admin/ but allow /wp-admin/admin-ajax.php (necessary for WordPress plugins) and other essential URLs. Also, such robots.txt generator tools can hide /cart/, /checkout/, /orders/ for e-commerce CMSs like Shopify.

Parameter blocker

Have you ever seen hundreds and thousands of URLs that look almost identical? Such garbage URLs are often created by websites using facets for navigation. URL parameters are additional parts of URLs that often change when you navigate through a website. Such URLs would confuse crawlers and cause them to waste time indexing junk pages. Luckily, the latest robots.txt generator allows you to block URL parameters with ease. Simply, activate the parameter blocker, and all the search engine crawlers will ignore the URL parameters.

How To Use Our Free Robots Txt Generator (Step-by-Step)

Step 1: Choose a Preset

Begin by visiting the left sidebar of the robots txt generator. Under the "Generator Setup" option, select the robot txt preset that covers your platform's programming language. For custom-coded HTML/PHP/React sites, choose the Custom / Scratch option.

Step 2: Enable Protections

Take a look at the toggles under the "Advanced Protections" tab. We recommend switching on the Block AI Bots & Scrapers option to better protect your content. The SEO tool blocker is also a great choice if you need to stay hidden in your niche.

Step 3: Define Custom Rules

Click the red "Add Directory Rule" button and configure your instructions in the pop-up window. You can specify the User Agent (Googlebot-Image), permission (Allow/Disallow), and directory (e.g., /private-images/) to control what Googlebot can/cannot crawl. Repeat this step for each directory rule you need.

Step 4: Add Sitemap & Delay

The sitemap url field at the bottom of the generator needs an absolute url to your sitemap. Paste the link to your XML sitemap (e.g., https://writebyhand.in/sitemap.xml) there. This is a helpful hint for Google. If your hosting provider is not very powerful, you should also add a Crawl Delay of 5 or 10 seconds so that Googlebot does not overload your server.

Step 5: Export & Validate

If everything looks good, click the "Download .txt" button to save the robots.txt file to your computer. You can then upload this file to your server's root directory using FTP or cPanel. Note: If you see a red DANGER message in the preview window, make sure the Default Access is set to "Allow".

Understanding Robots.txt Directives

When you create a robots txt file, you are essentially writing code that uses the Robots Exclusion Protocol. The robot txt generator hides some of the complex elements of writing robots.txt, but it is good to understand what each line means:

User-agent

This simple term tells you which search engine robot (Googlebot, Bingbot, etc.) the current set of instructions applies to. You can use an asterisk (*) to target all bots or type the name of the search engine robot in the search field (Googlebot, Googlebot-Image, etc.).

Disallow

This statement tells the search engine robot not to crawl a certain URL address or directory. For example, you can add Disallow: /admin/ so that Googlebot does not scan your admin panel. It is critical to note that the robots.txt file only serves to notify search engine robots of your wishes. It does not stop bots from trying to access the restricted areas.

Allow

This statement allows the robot to access the specified web address or directory, even if it is blocked by another rule. For example, you could use Allow: /admin/dashboard.php to let Googlebot crawl a particular file within a blocked directory. This is useful for allowing search engines to scan index.html or other pages that contain valuable content.

Crawl-delay

This statement tells search engine robots how many seconds to wait before crawling another page on your site. It is critical for websites hosted on shared servers because it prevents Googlebot from overwhelming your server with requests.

Fatal Mistakes to Avoid When Building Your File

A misplaced character in your robots.txt file can make your website invisible in Google Search. This is why robot txt builders are much safer than writing robots.txt manually in WordPad or Notepad. Here are some common robots.txt mistakes that our tool helps you avoid:

Accidental Full Block This error occurs when webmasters add Disallow: / to the robots.txt file, which blocks all web content from being indexed by search engines. Our robot txt creator highlights this error by displaying a giant red DANGER message across the top of the preview window.
Blocking CSS and JS Files Google uses your CSS files to render web pages and determine how they should be displayed in search results. If you mistakenly add the Disallow: / rule to the directory with your CSS or JS files, Google may not be able to properly display your page. In this case, Google may treat your web page as unreadable and drop it from search results.
Using Robots.txt for Security The robots.txt file is a publicly accessible text file that tells search engines which pages to scan and which to leave alone. It was never designed to be used as a security tool, so always avoid using it to hide confidential information (passwords, personal data, etc.). In short, anything in your robots.txt file can be viewed by anyone who knows how to find it. If you want to secure sensitive files, use server-side password protection (.htaccess files).

Frequently Asked Questions (FAQs)

What is a robots.txt generator and why do I need it?

The robots.txt generator creates a text file with instructions for search engine robots, e.g., Googlebot, on which pages to scan and which to avoid crawling. It is essential to optimize the crawl budget and avoid server overload by irrelevant bots.

Is this robots txt builder free to use?

Our advanced robots txt maker is free! You can generate as many robots.txt files as you need, use all blockers, and download the final text file for free.

How does the 1-Click AI Bot Blocker work?

With the 1-Click AI Bot Blocker enabled, our robots txt creator adds the necessary block directives for any AI web scrapers like GPTBot, Claude-Web, Applebot-Extended, etc.

Why should I block SEO competitor audit tools?

If you suspect your competitors will use the SEO competitor audit tools to examine your website, you should use the SEO Tool Blocker. The latter’s bots are blocked via user-agents, so they cannot access your site’s data.

How do the CMS presets for WordPress, Shopify, etc., work?

When using the CMS-specific robots.txt presets, our generator does everything on your behalf! For example, the WordPress preset blocks the WordPress admin area, but not the ajax file, while the Shopify preset avoids making the cart and checkout system visible to search engine bots.

What is the Parameter Blocker for?

The Parameter Blocker is for e-commerce websites and portals with many dynamically generated URLs. The generator adds a Disallow rule for the question mark (?) to avoid Google crawling endless URL variations.

Where can I upload the generated robots.txt file?

After downloading the txt file from our robots.txt generator, you must upload it to the root directory of your website using cPanel or an FTP client. The full path would be something like yourwebsite.com/robots.txt. However, if you run WordPress, you can use Yoast or RankMath plugins to save the robots.txt file in your WordPress admin panel.

Robots-txt Creator: Why Using a Builder Matters

While it is possible to use a simple text editor and code the instructions manually, robots-txt builders help to avoid syntax errors. They help to maintain formatting rules, such as new lines for each rule, proper capitalization, and other common conventions.

Additionally, figuring out which specific User-agents to block or allow can be difficult. There are dozens of different AI-driven bots, such as anthropic-ai and Omgilibot, and hundreds of SEO bots. Fortunately, a robots-txt generator takes care of this headache by maintaining a constantly updated list of known bots.

Finally, the robots-txt creator implements advanced formatting options and enterprise-level protections to keep your site secure while being discoverable to search engines. Robots-txt builders are, therefore, a must-have tool for anyone serious about SEO.