witqq spreadsheet

Canvas spreadsheet engine for the web

1M rows · 60 FPS · <500KB · Zero deps · Free for non-commercial

npm install @witqq/spreadsheet @witqq/spreadsheet-react

1,000,000 Rows Demo

Canvas virtual scrolling renders only visible rows — constant 60 FPS regardless of dataset size.

1,000,000

rows rendered at 60 FPS

Only visible rows are drawn on canvas. Scroll through a million rows with zero jank.

Why witqq spreadsheet?

⚡

60 FPS at 100K+ rows. No DOM ceiling.

📦

10x smaller than competitors. Tree-shakeable.

🔌

Pure TypeScript core. Works in Node, Workers, any framework.

🧩

Extensible via plugins. Load only what you need.

📊

Custom formula engine, no GPL dependencies.

♿

WCAG 2.1 AA, role=grid, keyboard-first navigation.

Free

Commercial