Dev.to WebDev 🛠 Dev 👁 1

I built a Robots.txt Generator — visual bot picker, AI crawler presets, download, 84 tests

Writing robots.txt by hand means remembering the exact syntax and knowing which bot names to use. I built a free, browser-only Robots.txt Generator with visual bot selection and AI crawler presets. Live Tool

Writing robots.txt by hand means remembering the exact syntax and knowing which bot names to use. I built a free, browser-only Robots.txt Generator with visual bot selection and AI crawler presets.

Live Tool

👉 https://devnestio.pages.dev/robots-txt-gen/

What it does

  • Bot chips — toggle Googlebot, Bingbot, GPTBot, CCBot, anthropic-ai, Applebot, or any custom user-agent
  • Allow/Disallow rules — add paths with quick buttons
  • Templates — Allow all, Block all, Block AI crawlers, SEO-friendly, WordPress standard
  • Crawl-delay and Sitemap — optional directives
  • Syntax highlighting — color-coded output
  • Download — save as robots.txt directly
  • 100% client-side

Robots.txt quick reference

User-agent: *
Disallow: /admin/
Sitemap: https://example.com/sitemap.xml

# Block AI training crawlers
User-agent: GPTBot
Disallow: /

User-agent: anthropic-ai
Disallow: /

AI crawler user-agents

Bot Company
GPTBot OpenAI
CCBot Common Crawl
anthropic-ai Anthropic
Applebot Apple

Testing

84 tests, all passing

Tests cover all 5 templates, bot chip toggle, Disallow/Allow rules, download, and HTML escaping.

All tools at devnestio.pages.dev.

📰 Read the original article on Dev.to WebDev

Originally published by Dev.to WebDev. Aggregated on AIWithGhost for educational purposes — full credit and traffic to the original publisher.