Free Tools No signup · No limits

Free Tools for SEO & AI

A growing collection of small, fast, single-purpose tools we built for ourselves and then opened up. SEO checkers, AI helpers, content utilities — all free.

Domain Authority Checker

Check any website's DA, Page Rank, and global rank in seconds.

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AI Token Counter

Count tokens for ChatGPT, Claude, Gemini and Grok before you hit the API.

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AI Cost Calculator

Compare the per-call cost of the same prompt across every major AI model.

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Context Window Visualizer

See how much of ChatGPT's, Claude's, or Gemini's context window your text fills.

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Schema Markup Generator

Generate JSON-LD for Article, FAQ, HowTo, and Product schema — ready to paste.

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SERP Snippet Previewer

See how your title and meta description will look in Google search results.

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Open Graph Previewer

Paste a URL — see exactly how the link will preview on Facebook, X, and LinkedIn.

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AI Glossary

Plain-English definitions of every AI term you keep seeing — RAG, MoE, temperature, more.

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Get the full MultipleChat experience

Chat with ChatGPT, Claude, Gemini and Grok side-by-side — or let them collaborate on the same answer.

Try MultipleChat Free