# [SheetJS js-xlsx](http://sheetjs.com)

Parser and writer for various spreadsheet formats.  Pure-JS cleanroom
implementation from official specifications, related documents, and test files.
Emphasis on parsing and writing robustness, cross-format feature compatibility
with a unified JS representation, and ES3/ES5 browser compatibility back to IE6.

This is the community version.  We also offer a pro version with performance
enhancements and additional features by request.

[**Pro Version**](http://sheetjs.com/pro)

[**Commercial Support**](http://sheetjs.com/support)

[**Rendered Documentation**](https://sheetjs.gitbooks.io/docs/)

[**In-Browser Demos**](http://sheetjs.com/demos)

[**Source Code**](http://git.io/xlsx)

[**File format support for known spreadsheet data formats:**](#file-formats)

![circo graph of format support](formats.png)

<details>
	<summary>Graph Legend</summary>

![graph legend](legend.png)

</details>