robots.txt Generator
Compose allow/disallow rules and get a valid robots.txt instantly.
Runs 100% in your browser — nothing is ever uploaded.
What is robots.txt?
Build a correct robots.txt: allow/disallow rules per bot, crawl-delay and sitemap URL. Free, instant, 100% in your browser. Pick your options and the result is generated instantly — ready to copy straight into your project. Free and unlimited, with no watermarks and no registration — all processing happens right in your browser, so nothing is ever sent to a server.
How to use robots.txt
- Open robots.txt in your browser — it's free and needs no account.
- Configure the options to match exactly what you need.
- Click the generate button — the result appears instantly.
- Copy the output or download it as a file for your project.
Frequently asked questions
Is robots.txt really free?
Yes — robots.txt is 100% free with no limits, no watermarks and no registration. You can use it as often as you like, on as many files or inputs as you need.
Is my data safe when I use robots.txt?
Absolutely. robots.txt runs entirely in your browser using JavaScript — your input is processed on your own device and is never uploaded to any server.
Does robots.txt work on mobile devices?
Yes. robots.txt works in any modern browser on desktop, tablet and mobile (Chrome, Firefox, Safari, Edge) — there is no app to install.
Is my code uploaded to a server?
Never. Every CodeKit tool runs entirely in your browser with JavaScript. Your code is processed on your device and never touches a network — it even works offline once the page is loaded.
Are these tools really free?
Yes — 100% free, no sign-up, no limits, no watermarks. We keep the site running with minimal, non-intrusive ads.
Is there a file or size limit?
No hard limit. Because processing happens on your machine, the only constraint is your device’s memory. Files of several megabytes work fine.