Smart CSV/Excel Visualizer — (100% Client‑side)

1) Add Data

No file loaded
Drag & drop CSV/XLSX here

2) Smart Suggestions

Pick a suggestion to render a chartrows: 0cols: 0

3) Configure

Hold Ctrl/Cmd to select multiple Y columns

Embed

Preview

Tip: Try a time column + a numeric column for line charts. Local only — no upload
Built for demo: CSV/XLSX parsing, type inference, chart suggestions, PNG export, hash‑based sharing & iframe embed. All client‑side.