Free SEO tools

Free keyword tools that run in your browser

No signup and nothing uploaded. When you need real demand data, open any keyword in SignalForge for volume, difficulty and the live SERP.

Keyword intent checkerPaste up to 1,000 keywords and classify each as informational, commercial, transactional, navigational or local. Free and private: it runs in your browser. Keyword grouperGroup hundreds of keywords into topic clusters by shared words, for content planning and site structure. Free, no signup, runs in your browser. Organic traffic estimatorEstimate monthly organic clicks, conversions and value from a keyword’s search volume and Google position, using an editable CTR curve. Free CTR calculator. Long-tail keyword generatorTurn one seed keyword into hundreds of long-tail variants: questions, comparisons, buyer and audience modifiers. Free, instant, no signup. Keyword researchVolume, difficulty, intent, live SERP and AI content brief for any keyword (3 free previews a day, more with a free account). MCP config generatorConnect Cursor, Claude Desktop, Claude Code, Windsurf or VS Code to SEO data. Opens on searchsignal.pro.