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# SheetJS CE
[](https://github.com/SheetJS/sheetjs/actions)
[](https://snyk.io/test/github/SheetJS/sheetjs)
[](https://cdn.sheetjs.com/)
[](https://github.com/SheetJS/sheetjs)
SheetJS Community Edition offers battle-tested open-source solutions for
extracting useful data from almost any complex spreadsheet and generating new
spreadsheets that will work with legacy and modern software alike.
[SheetJS Pro](https://sheetjs.com/pro) offers solutions beyond data processing:
Edit complex templates with ease; let out your inner Picasso with styling; make
custom sheets with images/graphs/PivotTables; evaluate formula expressions and
port calculations to web apps; automate common spreadsheet tasks, and much more!
## Simple Examples
The code editors are live -- feel free to edit! Due to technical limitations,
they showcase ReactJS patterns. Other parts of the documentation will cover
more common use cases including plain JavaScript.
### Export an HTML Table to Excel XLSX
<details><summary><b>How to add to your site</b> (click to show)</summary>
1) Make sure your table has an ID:
```html
<table id="TableToExport">
```
2) Include a reference to the SheetJS Library in your page:
```html
<script src="https://cdn.sheetjs.com/xlsx-latest/package/dist/xlsx.full.min.js"></script>
```
3) Add a button that users will click to generate an export
```html
<button id="sheetjsexport"><b>Export as XLSX</b></button>
```
4) Add an event handler for the `click` event to create a workbook and download:
```js
document.getElementById("sheetjsexport").addEventListener('click', function() {
/* Create worksheet from HTML DOM TABLE */
var wb = XLSX.utils.table_to_book(document.getElementById("TableToExport"));
/* Export to file (start a download) */
XLSX.writeFile(wb, "SheetJSTable.xlsx");
});
```
</details>
<details open><summary><b>Live Example</b> (click to hide)</summary>
```jsx live
/* The live editor requires this function wrapper */
function Table2XLSX(props) {
/* Callback invoked when the button is clicked */
const xport = React.useCallback(async () => {
/* Create worksheet from HTML DOM TABLE */
const table = document.getElementById("Table2XLSX");
const wb = XLSX.utils.table_to_book(table);
/* Export to file (start a download) */
XLSX.writeFile(wb, "SheetJSTable.xlsx");
});
return (<>
<table id="Table2XLSX"><tbody>
<tr><td colSpan="3">SheetJS Table Export</td></tr>
<tr><td>Author</td><td>ID</td><td>你好!</td></tr>
<tr><td>SheetJS</td><td>7262</td><td>வணக்கம்!</td></tr>
<tr><td colSpan="3">
<a href="//sheetjs.com">Powered by SheetJS</a>
</td></tr>
</tbody></table>
<button onClick={xport}><b>Export XLSX!</b></button>
</>);
}
```
<a href="https://sheetjs.com/pro">SheetJS Pro Basic</a> extends this export with
support for CSS styling and rich text.
</details>
### Download and Preview a Numbers workbook
<details><summary><b>How to add to your site</b> (click to show)</summary>
1) Create a container DIV for the table:
```html
<div id="TableContainer"></div>
```
2) Include a reference to the SheetJS Library in your page:
```html
<script src="https://cdn.sheetjs.com/xlsx-latest/package/dist/xlsx.full.min.js"></script>
```
3) Add a script block to download and update the page:
```html
<script>
(async() => {
const f = await fetch(URL_TO_DOWNLOAD); // replace with the URL of the file
const ab = await f.arrayBuffer();
/* Parse file and get first worksheet */
const wb = XLSX.read(ab);
const ws = wb.Sheets[wb.SheetNames[0]];
/* Generate HTML */
var output = document.getElementById("TableContainer");
output.innerHTML = XLSX.utils.sheet_to_html(ws);
})();
</script>
```
</details>
<details><summary><b>Live Example</b> (click to show)</summary>
```jsx live
/* The live editor requires this function wrapper */
function Numbers2HTML(props) {
const [html, setHTML] = React.useState("");
/* Fetch and update HTML */
React.useEffect(async() => {
/* Fetch file */
const f = await fetch("https://sheetjs.com/pres.numbers");
const ab = await f.arrayBuffer();
/* Parse file */
const wb = XLSX.read(ab);
const ws = wb.Sheets[wb.SheetNames[0]];
/* Generate HTML */
setHTML(XLSX.utils.sheet_to_html(ws));
}, []);
return (<div dangerouslySetInnerHTML={{__html: html}}/>);
}
```
<a href="https://sheetjs.com/pro">SheetJS Pro Basic</a> extends this import with
support for CSS styling and rich text.
</details>
### Convert a CSV file to HTML Table and Excel XLSX
<details><summary><b>Live Example</b> (click to show)</summary>
```jsx live
/* The live editor requires this function wrapper */
function Tabeller(props) {
/* Starting CSV data -- change data here */
const csv = `\
This,is,a,Test
வணக்கம்,สวัสดี,你好,가지마
1,2,3,4`;
/* Parse CSV into a workbook object */
const wb = XLSX.read(csv, {type: "string"});
/* Get the worksheet (default name "Sheet1") */
const ws = wb.Sheets.Sheet1;
/* Create HTML table */
const id = "tabeller"; // HTML TABLE ID
const __html = XLSX.utils.sheet_to_html(ws, { id });
return (<>
{/* Show HTML preview */}
<div dangerouslySetInnerHTML={{__html}}/>
{/* Export Button */}
<button onClick={() => {
/* Create worksheet from HTML DOM TABLE */
const table = document.getElementById(id);
const wb = XLSX.utils.table_to_book(table);
/* Export to file (start a download) */
XLSX.writeFile(wb, "SheetJSIntro.xlsx");
}}>
<b>Export XLSX!</b>
</button>
</>);
}
```
</details>
### Browser Testing
[](https://saucelabs.com/u/sheetjs)
### Supported File Formats
