The free online CSV analyzer that lets you ask questions in plain English and get instant charts and insights. No coding required. 100% private.
Drag and drop any CSV file. Load up to 5 datasets at once. Everything stays in your browser—nothing is uploaded anywhere.
Type naturally: "What's the average order value?" or "Show me monthly trends." No SQL syntax to learn.
Instant answers with auto-generated charts. Pin your favorites to build dashboards in seconds.
Everything you need to explore, understand, and share insights.
Ask questions like you're talking to a colleague. No SQL required.
Load up to 5 CSVs. Join and cross-analyze with ease.
Deep analysis mode reasons through complex questions step by step.
Auto-selects the best visualization type for your data.
DuckDB WASM runs in your browser. Your data never leaves.
SSO, team management, and audit logs coming soon.
Start free, upgrade when you need more power.
Join thousands who've made CSVLens their go-to tool for quick data exploration.
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