Our free robots.txt Tester provides a professional, high-performance solution to test if a URL is allowed or blocked by a robots.txt file, simulate crawler user-agent access offline in your browser, 100% private directly within your browser. Engineered for maximum speed and absolute privacy, the tool operates entirely on the client side using secure local JavaScript processing—meaning your data never leaves your device and is never uploaded to any external server. Whether you are working on a desktop, tablet, or mobile phone, the responsive and premium interface delivers instant real-time results with zero wait times. Designed for daily productivity, it features fully configurable parameters, robust input verification, and offline capability to ensure a seamless, secure workflow.
Paste the content of your robots.txt file inside the left configuration panel.
Specify the relative directory pathway and select the crawl agent to simulate (e.g. Googlebot).
Instantly check the blocked/allowed verdict highlighting the exact policy trigger line number.
Checks technical setup configurations, canonical metadata links, regional hreflang tags, and core keyword distributions.
Configure search crawler depths, input custom domain pathways, and adjust meta-tag character limits to refine your SEO strategy.
Audit your target domains and content drafts with 100% security. No proprietary tags, URLs, or keywords are ever logged or shared.