Free Robots.txt Tester online
Use Developer Friend’s Robots.txt Tester directly in your browser. Your input stays on your device while you work—no account required.
What does this Robots.txt Tester do?
This page explains our Robots.txt Tester and links to the live tool. It is designed for developers who want a quick, reliable utility without installing desktop software or signing up for yet another SaaS product.
Why use browser-based developer tools?
Pasting a log line, a token, or a one-off payload into a local tool is faster than spinning up a script. Our apps load once and work offline-capable after cache, which helps on flights and locked-down networks. For JSON-heavy workflows, combine this page with our JSON formatter and related utilities.
How to get started
Click the button below to open the tool in the full Developer Friend workspace. From there you can open multiple tabs, switch themes, and jump to other encoders, time tools, or API helpers.