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Paste an HTML snippet or full page and see the canonical link, redirect chain, robots meta, and any self-canonical conflicts.
This canonical url checker runs 100% in your browser. Nothing you paste, drop, or generate ever leaves your device - no analytics on your input, no uploads, no logs.
Wrong canonicals dilute rankings and cause duplicate-content issues.
Same browser-only philosophy. Free, no signup, no upload.
Generate complete meta tags - title, description, OG, Twitter, robots, canonical - with live SERP preview.
Test if a URL is allowed or blocked by your robots.txt rules.
Validate sitemap.xml against schema and best-practice limits.
Build complete Open Graph tags for Facebook and LinkedIn share cards.
Build Twitter / X card tags with summary or summary_large_image preview.
Build an XML sitemap from a list of URLs with priority and change frequency.
We design and ship internal tooling, dashboards, and customer-facing utilities. Tell us what you need and we'll scope it.