# [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, additional features by request, and dedicated support.
[**Pro Version**](http://sheetjs.com/pro)
[**Commercial Support**](http://sheetjs.com/support)
[**Rendered Documentation**](http://docs.sheetjs.com/)
[**In-Browser Demos**](http://sheetjs.com/demos)
[**Source Code**](http://git.io/xlsx)
[**Issues and Bug Reports**](https://github.com/sheetjs/js-xlsx/issues)
[**Other General Support Issues**](https://discourse.sheetjs.com)
[**File format support for known spreadsheet data formats:**](#file-formats)
<details>
<summary><b>Graph of supported formats</b> (click to show)</summary>
![circo graph of format support](formats.png)
![graph legend](legend.png)
</details>
[**Browser Test**](http://oss.sheetjs.com/js-xlsx/tests/)
[![Build Status](https://saucelabs.com/browser-matrix/sheetjs.svg)](https://saucelabs.com/u/sheetjs)
[![Build Status](https://travis-ci.org/SheetJS/js-xlsx.svg?branch=master)](https://travis-ci.org/SheetJS/js-xlsx)
[![Build Status](https://semaphoreci.com/api/v1/sheetjs/js-xlsx/branches/master/shields_badge.svg)](https://semaphoreci.com/sheetjs/js-xlsx)
[![Coverage Status](http://img.shields.io/coveralls/SheetJS/js-xlsx/master.svg)](https://coveralls.io/r/SheetJS/js-xlsx?branch=master)
[![Dependencies Status](https://david-dm.org/sheetjs/js-xlsx/status.svg)](https://david-dm.org/sheetjs/js-xlsx)
[![npm Downloads](https://img.shields.io/npm/dt/xlsx.svg)](https://npmjs.org/package/xlsx)
[![ghit.me](https://ghit.me/badge.svg?repo=sheetjs/js-xlsx)](https://ghit.me/repo/sheetjs/js-xlsx)
[![Analytics](https://ga-beacon.appspot.com/UA-36810333-1/SheetJS/js-xlsx?pixel)](https://github.com/SheetJS/js-xlsx)
## Table of Contents
<details>
<summary><b>Expand to show Table of Contents</b></summary>
<!-- toc -->
- [Installation](#installation)
* [JS Ecosystem Demos](#js-ecosystem-demos)
* [Optional Modules](#optional-modules)
* [ECMAScript 5 Compatibility](#ecmascript-5-compatibility)
- [Philosophy](#philosophy)
- [Parsing Workbooks](#parsing-workbooks)
* [Parsing Examples](#parsing-examples)
* [Streaming Read](#streaming-read)
- [Working with the Workbook](#working-with-the-workbook)
* [Parsing and Writing Examples](#parsing-and-writing-examples)
- [Writing Workbooks](#writing-workbooks)
* [Writing Examples](#writing-examples)
* [Streaming Write](#streaming-write)
- [Interface](#interface)
* [Parsing functions](#parsing-functions)
* [Writing functions](#writing-functions)
* [Utilities](#utilities)
- [Common Spreadsheet Format](#common-spreadsheet-format)
* [General Structures](#general-structures)
* [Cell Object](#cell-object)
+ [Data Types](#data-types)
+ [Dates](#dates)
* [Sheet Objects](#sheet-objects)
+ [Worksheet Object](#worksheet-object)
+ [Chartsheet Object](#chartsheet-object)
+ [Macrosheet Object](#macrosheet-object)
+ [Dialogsheet Object](#dialogsheet-object)
* [Workbook Object](#workbook-object)
+ [Workbook File Properties](#workbook-file-properties)
* [Workbook-Level Attributes](#workbook-level-attributes)
+ [Defined Names](#defined-names)
+ [Workbook Views](#workbook-views)
+ [Miscellaneous Workbook Properties](#miscellaneous-workbook-properties)
* [Document Features](#document-features)
+ [Formulae](#formulae)
+ [Column Properties](#column-properties)
+ [Row Properties](#row-properties)
+ [Number Formats](#number-formats)
+ [Hyperlinks](#hyperlinks)
+ [Cell Comments](#cell-comments)
+ [Sheet Visibility](#sheet-visibility)
+ [VBA and Macros](#vba-and-macros)
- [Parsing Options](#parsing-options)
* [Input Type](#input-type)
* [Guessing File Type](#guessing-file-type)
- [Writing Options](#writing-options)
* [Supported Output Formats](#supported-output-formats)
* [Output Type](#output-type)
- [Utility Functions](#utility-functions)
* [Array of Arrays Input](#array-of-arrays-input)
* [Array of Objects Input](#array-of-objects-input)
* [HTML Table Input](#html-table-input)
* [Formulae Output](#formulae-output)
* [Delimiter-Separated Output](#delimiter-separated-output)
+ [UTF-16 Unicode Text](#utf-16-unicode-text)
* [HTML Output](#html-output)
* [JSON](#json)
- [File Formats](#file-formats)
* [Excel 2007+ XML (XLSX/XLSM)](#excel-2007-xml-xlsxxlsm)
* [Excel 2.0-95 (BIFF2/BIFF3/BIFF4/BIFF5)](#excel-20-95-biff2biff3biff4biff5)
* [Excel 97-2004 Binary (BIFF8)](#excel-97-2004-binary-biff8)
* [Excel 2003-2004 (SpreadsheetML)](#excel-2003-2004-spreadsheetml)
* [Excel 2007+ Binary (XLSB, BIFF12)](#excel-2007-binary-xlsb-biff12)
* [Delimiter-Separated Values (CSV/TXT)](#delimiter-separated-values-csvtxt)
* [Other Workbook Formats](#other-workbook-formats)
+ [Lotus 1-2-3 (WKS/WK1/WK2/WK3/WK4/123)](#lotus-1-2-3-wkswk1wk2wk3wk4123)
+ [Quattro Pro (WQ1/WQ2/WB1/WB2/WB3/QPW)](#quattro-pro-wq1wq2wb1wb2wb3qpw)
+ [OpenDocument Spreadsheet (ODS/FODS)](#opendocument-spreadsheet-odsfods)
+ [Uniform Office Spreadsheet (UOS1/2)](#uniform-office-spreadsheet-uos12)
* [Other Single-Worksheet Formats](#other-single-worksheet-formats)
+ [dBASE and Visual FoxPro (DBF)](#dbase-and-visual-foxpro-dbf)
+ [Symbolic Link (SYLK)](#symbolic-link-sylk)
+ [Lotus Formatted Text (PRN)](#lotus-formatted-text-prn)
+ [Data Interchange Format (DIF)](#data-interchange-format-dif)
+ [HTML](#html)
+ [Rich Text Format (RTF)](#rich-text-format-rtf)
+ [Ethercalc Record Format (ETH)](#ethercalc-record-format-eth)
- [Testing](#testing)
* [Node](#node)
* [Browser](#browser)
* [Tested Environments](#tested-environments)
* [Test Files](#test-files)
- [Contributing](#contributing)
* [OSX/Linux](#osxlinux)
* [Windows](#windows)
* [Tests](#tests)
- [License](#license)
- [References](#references)
<!-- tocstop -->
</details>
## Installation
In the browser, just add a script tag:
```html
<script lang="javascript" src="dist/xlsx.full.min.js"></script>
```
<details>
<summary><b>CDN Availability</b> (click to show)</summary>
| CDN | URL |
|-----------:|:-----------------------------------------|
| `unpkg` | <https://unpkg.com/xlsx/> |
| `jsDelivr` | <https://jsdelivr.com/package/npm/xlsx> |
| `CDNjs` | <http://cdnjs.com/libraries/xlsx> |
`unpkg` makes the latest version available at:
```html
<script src="https://unpkg.com/xlsx/dist/xlsx.full.min.js"></script>
```
</details>
With [npm](https://www.npmjs.org/package/xlsx):
```bash
$ npm install xlsx
```
With [bower](http://bower.io/search/?q=js-xlsx):
```bash
$ bower install js-xlsx
```
### JS Ecosystem Demos
The [`demos` directory](demos/) includes sample projects for:
**Frameworks and APIs**
- [`angular 1.x`](demos/angular/)
- [`angular 2 / 4 / 5 and ionic`](demos/angular2/)
- [`meteor`](demos/meteor/)
- [`react and react-native`](demos/react/)
- [`vue 2.x and weex`](demos/vue/)
- [`XMLHttpRequest and fetch`](demos/xhr/)
- [`nodejs server`](demos/server/)
- [`databases and key/value stores`](demos/database/)
**Bundlers and Tooling**
- [`browserify`](demos/browserify/)
- [`fusebox`](demos/fusebox/)
- [`parcel`](demos/parcel/)
- [`requirejs`](demos/requirejs/)
- [`rollup`](demos/rollup/)
- [`systemjs`](demos/systemjs/)
- [`typescript`](demos/typescript/)
- [`webpack 2.x`](demos/webpack/)
**Platforms and Integrations**
- [`electron application`](demos/electron/)
- [`nw.js application`](demos/nwjs/)
- [`Adobe ExtendScript`](demos/extendscript/)
- [`Headless Browsers`](demos/headless/)
- [`canvas-datagri
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