Java Excel Spreadsheet Processing API

Import and export data from ArrayList, Array & Recordset

Chart creation & manipulation through the APIs

Import formulas from a designer spreadsheet

Generate and manipulate Named Ranges

Print spreadsheets to a physical printer

Populate worksheets through Smart Markers

Create & manipulate comments

Set & calculate Excel & custom formulas

Create & manipulate conditional formatting rules

Create & manipulate named ranges

Create, manipulate & refresh Pivot Tables & Pivot Charts

Rendering of charts & worksheets

Read and write big files in the light-weight mode

Re-sample images in Excel to PDF conversion

Modify VBA code or Macros in the template document

Save Excel Files to Different Formats

Excel API offers conversion of spreadsheets to PDF, XPS, HTML, and more formats while keeping the highest visual fidelity. The reliable and flexible conversion process makes Aspose.Cells a perfect choice for organizations that mostly exchange files within industry-standard formats.

// load file to be converted
Workbook wbk = new Workbook(dir + "template.xls");
// convert xls to HTML, XPS and PDF
wbk.save(dir + "output.pdf", SaveFormat.PDF);
wbk.save(dir + "output.xps", SaveFormat.XPS);
wbk.save(dir + "output.html", SaveFormat.HTML);

Format Worksheets to Most Granular Level

Library provides spreadsheets styling including but not limited to worksheet formatting at row, column, and cell level, adding conditional formatting rules, defining number formats and setting fonts with attributes. Similarly, API supports manipulating and creating all types of custom and standard charts as well as various drawing objects like OLE objects, pictures, comments, shapes, and controls to the cells.

Convert Charts & Sheets to Image & PDF Formats

Aspose.Cells for Java offers special conversion features like charts to images and PDF, worksheets to images, printing worksheets and converting spreadsheets to the PDF file format. The conversion process is greatly flexible and easy, allowing to select a number of ways for the conversion, such as images re-sampling during spreadsheets to PDF transformation or adjusting the resultant image dimensions while rendering worksheets and charts to images.

// load spreadsheet containing the chart
Workbook book = new Workbook(dir + "template.xlsx");
// get the chart present in first worksheet
Chart chart = book.getWorksheets().get(0).getCharts().get(0);
// render chart as PNG
chart.toImage(dir + "output.png", ImageFormat.getPng());
// render chart as PDF
chart.toPdf(dir + "output.pdf");

Manipulate Excel Rows & Columns

Aspose.Cells for Java allows you to modify rows and columns in a variety of ways. One can easily adjust column width and row height, auto-size the width/height of cells as of contents, insert & delete, hide & un-hide as well as group & un-group rows and columns.

Summarize Data with Charts & Pivot Tables

It can be difficult to get summarized information with very large spreadsheets. A Pivot Table is there to quickly describe the flat data and to obtain the relevant information as of the needs. API dynamically creates Pivot Tables and Charts. Dynamically changing the Pivot Table source data is possible. Furthermore, Smart Markers, another top feature of this library to fill worksheets through data sources and to generate visually effective reports.

Web-based Visual Control for Spreadsheets

Aspose.Cells for Java also provide a UI control that can be embedded in JSP web applications and is compatible with all modern web browsers like Chrome, Firefox, Internet Explorer and Opera. End-user can use it to load, edit and save Excel files from your web application's front-end.