From demo to your application

Try the viewer API here, then download a complete starter for your stack. Each starter includes file loading, change notifications, workbook download and cleanup.

Run the JavaScript example Explore task-based demos

JavaScript + Vite

A small integration using a file input and the viewer’s public API.

Download JavaScript starter

React + Vite

A component that mounts on a fresh host and destroys its viewer on unmount, including in Strict Mode.

Download React starter

Vue + Vite

A Vue component with mounting, file loading and cleanup on unmount.

Download Vue starter

Run a downloaded starter

Extract the archive and open a terminal in its directory.
Configure your private npm registry access using the credentials supplied with your evaluation or licence. Request evaluation access.
Run the commands below, then open the local URL Vite prints.

npm install
npm run dev

No licence key is needed to evaluate: the viewer shows an Evaluation badge. Package access is required to install @sheetwarden/viewer. See each archive’s README for setup and optional licence-key configuration.