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Bun is a JavaScript runtime powered by JavaScriptCore.

Bun support is considered experimental.

Great open source software grows with user tests and reports. Any issues should be reported to the SheetJS project for further diagnosis.

Each standalone release script is available at

After downloading the script, it can be directly imported:

import * as XLSX from './xlsx.mjs';

XLS Support

If XLS support is required, cpexcel.full.mjs must be manually imported.

/* load the codepage support library for extended support with older formats  */
import * as cptable from './cpexcel.full.mjs';