SEO
UTM Builder
UTM generator, maker, and link builder for campaign URLs — including bulk CSV — all in the browser.
Copy URLSEO tools
Campaign, crawl, and structured-data tools for marketers, including a CPM calculator. Build tracking URLs, robots.txt files, check JSON-LD schema markup, calculate cost per mille, and look up domain age without sending pasted WHOIS to a server.
Directory
SEO
Robots.txt Builder
Robots.txt builder and robot.txt generator for allow/disallow rules, user-agent groups, sitemap URLs, and AI crawler extras.
GenerateSEO
Schema Markup Validator
Schema markup validator and schema checker for JSON-LD — detect @context and @type, flag common errors, and pretty-print in the browser.
ValidateSEO
Domain Age Checker
Domain age checker for registration date, age in years/months/days, registrar, and expiration — public RDAP in the browser, or paste WHOIS. Nothing uploaded.
ValidateSEO
CPM Calculator
CPM calculator for cost per 1,000 impressions — solve CPM, cost, or impressions, plus CPC and CTR, all in the browser.
Calculate