SEO & Marketing100% Free Tool

Free Robots.txt Validator & Syntax Tester Online

Validate your robots.txt file against official Googlebot rules. Test User-agent directives, Disallow paths, and Sitemap declarations. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.

100% Client-Side0ms Latency
Meta Title (36 chars / ~306px)Optimal Length (<600px)
Meta Description (133 chars / ~155 optimal)Optimal Length
Google SERP Desktop Simulation
Gronex.ai›gronexai.com/tools/robots-txt-tester

Robots.txt Validator & Syntax Tester

Validate your robots.txt file against official Googlebot rules. Test User-agent directives, Disallow paths, and Sitemap declarations.

How It Works

1

Paste robots.txt

Input your current or candidate robots.txt directives.

2

Enter Test URL

Type specific page URL to test crawl permission (e.g. /admin/login).

3

Select Crawler

Choose Googlebot, Bingbot, or generic User-agent (*).

4

Verify Allow/Disallow

Check whether URL is permitted or blocked from crawling.

Frequently Asked Questions

No! Disallow prevents crawling, but if other sites link to the page, Google can still index the URL without reading its content. Use 'noindex' meta tags instead.

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