/tools · free, no sign-up
Free launch tools
Check a link before you share it. Each tool reads your page once, the way X, LinkedIn, Slack, Discord, Google and AI assistants do, and says what to fix. They run the same check and lead with a different part of it.
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/tools/og-image-checker
OG image and link preview checker
Free OG image checker: see how your link previews on X, LinkedIn, Slack and Discord, and check og:image size (1200×630), twitter:card, favicon, robots.txt and llms.txt. -
/tools/twitter-card-validator
Twitter card validator
Free Twitter (X) card validator: preview how your link shows on X, and check twitter:card (summary_large_image), og:image size and format, title and description. LinkedIn, Slack and Discord too. -
/tools/meta-tag-checker
Meta title and description checker
Free meta tag checker: preview your page as a Google result and check the title (under 60 characters), meta description (50–160), canonical, noindex and favicon, plus your Open Graph tags. -
/tools/llms-txt-checker
llms.txt and AI crawler checker
Free llms.txt validator and AI crawler check: does your robots.txt let GPTBot, OAI-SearchBot, ClaudeBot and PerplexityBot in, and is your llms.txt well formed? Plus your share card and search basics.
Getting ready to launch?
Launchdog is a weekly product launch board, a Product Hunt alternative where you launch from your AI coding agent over MCP and people vote.