Is Robots.txt Validator free to use?

Yes, Robots.txt Validator is completely free to use. No registration or login required — all features are available directly.

Does Robots.txt Validator upload my data to a server?

No. Robots.txt Validator uses pure front-end technology. All processing happens in your browser — no data is uploaded to any server. The tool works even without an internet connection.

Can I use Robots.txt Validator on my phone?

Yes. Robots.txt Validator is fully responsive and works on phones, tablets, and desktops. The interface automatically adapts to your screen size.

Do I need to install any software to use Robots.txt Validator?

No. Robots.txt Validator is an online tool — just open the webpage in your browser. No downloads, plugins, or installations needed.

Is my data safe when using Robots.txt Validator?

Yes. Since all data is processed locally in your browser and never sent to any server, there is no risk of data leakage. Your data stays under your control at all times.

Are there any usage limits for Robots.txt Validator?

Robots.txt Validator is a free online tool with no usage limits. Since processing is done locally, performance depends on your device. For very large files, we recommend processing in batches for the best experience.

Robots.txt Validator - Syntax Check · SEO Detection · Fix Suggestions

📖 Robots.txt Specification

• User-agent: Specifies which crawler the rules apply to (* = all crawlers)

• Disallow: Paths the crawler should not access

• Allow: Paths the crawler can access (can override Disallow)

• Sitemap: Declares the sitemap URL for crawlers

• Crawl-delay: Sets the request interval in seconds

• File location: Should be at the root of the website (/robots.txt)

🤖 Robots.txt Validator

📝 Paste your robots.txt content

📊 Validation Results

📖 Robots.txt Specification