Compare: Robots Exclusion Checker vs Adobe Acrobat: PDF edit, convert, sign tools

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Metric	Robots Exclusion Checker	Adobe Acrobat: PDF edit, convert, sign tools
User count	50,000	317,000,000
Average rating	4.94	4.40
Rating count	31	62,125
Last updated	2026-03-04	2026-07-06
Size	0.19 MB	5.21 MB
Version	1.3.0	26.7.1.0

Short description	Visually flags robots.txt, meta robots, x-robots-tag, and canonical issues with URL alerts. Includes AI-bot checks and HTTP header highlights.	Use Adobe Acrobat Chrome extension to view, edit, sign, and convert PDFs easily with powerful free and premium tools directly in your browser.
Full summary	Robots Exclusion Checker visually flags crawl/index blocks by testing six key elements: robots.txt, meta robots, AI bots, x-robots-tag, canonical, and UGC/nofollow attributes. It shows precise rules, lets you view the live robots.txt, copy or view sources, and highlights directives in color-coded alerts. You can simulate Googlebot, Googlebot News, Bing, and Yahoo to see how different search engines access pages. This browser extension is a valuable tool for SEO and digital marketing, helping you quickly spot crawl or indexation issues, review complex facets like faceted navigation, and audit pages without juggling multiple tools. It offers clear warnings, easy navigation, and customizable highlighting for UGC, sponsored, and nofollow links.	Adobe Acrobat Chrome Extension offers a comprehensive PDF solution integrated directly into Google Chrome. Millions rely on it for the best PDF viewing experience, with free access to essential tools like annotating with sticky notes, text, and highlights. Users can also fill and sign forms digitally without hassle. For increased productivity, the extension includes premium features such as converting PDFs to Word, Excel, PowerPoint, and JPG formats, merging and splitting PDFs, organizing pages, compressing files, and securing documents with passwords. Quick access and seamless local file support make managing PDFs straightforward and efficient.