Robots.txt Tester

Test and validate your robots.txt file. Check if URLs are allowed or blocked for different user-agents and identify syntax errors.

robots.txt Content

No validation issues found!

Test URL Access

User-Agent

URL to Test

Quick Test Examples:

How It Works

The Robots.txt Tester runs entirely in your browser using JavaScript. Unlike other tools that send your data to a server, we process everything locally on your device. This guarantees 100% privacy and blazing fast speed.

No server interaction – data never leaves your device
Instant results since there is no network latency
Works offline once the page is loaded
Free to use with no usage limits

How to Use

Paste robots.txt

Enter your robots.txt content in the editor.

Validate

Check for syntax errors and warnings.

Test URLs

Test specific URLs against your rules.

Example Usage

Test URL access rules.

Input

User-agent: *\nDisallow: /admin/

Output

Blocks all bots from /admin/ directory

Frequently Asked Questions

What is robots.txt?

robots.txt is a file that tells search engine crawlers which pages or files they can or can't request from your site.

What does 'Disallow' mean?

Disallow tells crawlers not to access specific paths. For example, 'Disallow: /admin/' blocks access to all URLs starting with /admin/.

What is User-agent: *?

The asterisk (*) is a wildcard that applies rules to all crawlers unless they have specific rules defined.

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The Robots.txt Tester is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.