Set cell size in excel using java. When I write the cell, I do it lik.

Set cell size in excel using java Create a spreadsheet in workbook. This guide introduces how to set or change row height and column width in Excel in Java, as well as how to automatically adjust row height and column width in Excel in Java. Further, we set the desired value in the first cell using setCellValue(). Dec 21, 2015 · It's a cell formatting case, by default Excel use exponential format for numbers below a certain value, for the 2013 version it's below 1E10. Mar 3, 2022 · Create a spreadsheet in the above workbook. Cells can also be formatted. It can be customized as per the requirement. Procedure: Jan 20, 2020 · Im trying to get the fixed cell width values with accuracy into two decimal points. Learn how to increase column width in Excel files using JAVA POI API with step-by-step instructions and code examples. I´d like to know where my Nov 14, 2023 · This article guides on how to adjust row height in Excel using Java. But after I run the program and open the Excel file that I created and processed, the cells with the formula include the formula as a string, rather than the value the formula should have returned. Learn how to read Excel files in Java using Apache POI. Jun 16, 2024 · How to Change and Adjust Excel Cell Size We will use a dataset of 8 rows and 3 columns including ID, Name, and Department. How To Set Wrap Text In Excel Using Java - How to wrap text in Excel Cells Java Excel API is an open source java library to read write and modify Excel spread sheets This requires the library jxl 2 6 12 jar to be in classpath The following example shows how to set Cell wrapping in Excel Spread sheet 17 Java code examples below to show how to use different fill patterns to set up Excel cell background and forground using Apache POI library. It gives a quick tutorial to set formatting and styling of cells in an Excel worksheet. There are methods and classes in POI that makes excel processing very easy. Aug 11, 2020 · How to create dropdown lists in Excel with Java an Apache POI and dependent dropdown lists with dynamically changing content. xlsx excel is created in src/test folder. This article contains the resources required to perform this task, a list of steps, and a sample code to draw an Excel cell border using Java. setCellValue("line1 \\n line2"); But when I open the document, I see only one line until I double-click it for editing, then it becomes two-l Jun 21, 2021 · This article will share how to apply different font styles to the text in Excel cells using a 3rd Tagged with java, excel, front, api. XLS for Java). Apache Aug 15, 2017 · Normally Excel auto fits the row height automatically while opening the sheet except there is a height explicitly given or the cell is part of a range of merged cells. How To Set Cell Size In Excel Using Java- Download free printable templates for planners, schedules, and crafts. Instead of applying style for each and every cell of heading row, how can I apply some sty May 14, 2018 · You can use an existing font (in the sheet or workbook) and use it as is or change it and define it for as a new font. Even more easy is the using and working with various fonts in excel using Apache POI. When I write the cell, I do it lik Jul 31, 2025 · Learn to read and write excel files, add and evaluate formula cells and add color formatting in Java using Apache POI with examples. Simplify data processing, import reports, or use spreadsheets as configurations with this easy guide. I need to add borders to specific cells in the worksheet. XLS for Java How To Set Cell Size In Excel Using Java - Step 1 Create a blank work and then a sheet with name Write TestData XSSFWorkbook workbook new XSSFWorkbook XSS Jan 26, 2022 · Apache POI is an open-source library for software developers to create and manipulate Microsoft Office documents. Nov 27, 2020 · To do operations in excel sheets using JAVA, it comes in handy to use the CSV files because CSV files can easily be used with Microsoft Excel, Google spreadsheets, and almost all other spreadsheets available. XSSFWorkbook workbook = new XSSFWorkbook(); 2. I have a need to lock-down a cell to a "Text" format. Excel (Microsoft) itself has not solved this since there is not a possibility in Excel to set "optimal height" for merged cells. For more basics on excel handling, we can start with working with Microsoft Excel in Java. Jun 1, 2022 · AutoFit is a very practical feature MS Excel offers to automatically resize cells to accommodate different sized data. I am using apache poi 4. In this tutorial, we'll explore how to set background colors for cells in Excel sheets using the Apache POI library. In this tutorial, I will explain How to customize the style of cells in Excel in Java using Apache POI. To solve this you need to format the cell in your Java code before creating the xls file, using HSSFCellStyle, check the following code: Jul 23, 2025 · For Example, Java doesn’t provide built-in support for working with excel files, so we need to look for open-source APIs for the job. Sample Code Below is a Java example demonstrating how to expand columns in an Excel spreadsheet using Apache POI. See full list on blog. At the start of the Apr 23, 2014 · In this page we will learn how to set color in our XLSX. Cells developers can Aug 11, 2023 · Apache POI lets you add image in an Excel cell from your Java application. If you set a column width to be eight characters wide, e. My code works fine as far as writing to the excel file however I am having a problem regarding formatting. Sep 9, 2015 · How to make an entire excel row cells bold text using Apache POI? E. usermodel. setCellStyle(XSSFCellStyle style) to assign them to different cells. I have populated the data into the excel sheet by creating a Workbook object and creating a WritabeSheet object inside it. Open the excel and it looks like the below shown image: To apply different font styles to different rows in an Excel sheet using Apache POI, you can define separate CellStyle objects, each associated with a unique Font, and apply these styles to the desired cells. Jun 17, 2020 · The ability to set fonts is one of the most basic requirements of an Excel java library. Learn different methods and properties to customize the borders and autofit cell size after adding borders. It contains brief steps and the sample code to add comments in Excel using Java using a few API calls only. Sep 2, 2023 · In your Java tool, you are using Apache POI API to convert an XML to MS Excel. These borderlines can be in a variety of styles. The Auto Fit feature adjusts row height and column width so that every value in the rows or columns fits perfectly. Then do using following getPreferredCellStyle method to get that column cell style and set it as the preferred cell style for each cell in description column (column B). Create a blank workbook. XLS for Java and unzip it, then add the Spire. Sep 25, 2016 · I am trying to change the default cell style for an entire Excel workbook (XSSF) using Apache POI. Apache POI Apache POI is an open-source pure Java project. Step-by-step guide with code snippets. Actual active fonts are available to you like this: (where newCell is the cell you wish to modify) Aug 31, 2017 · I'm using the poi libary in java for my application to put strings in an excel file. g: Column headings should be in bold. This is because using code to add text to a cell will not automatically adjust the cell height and apply needed formatting to turn it into multiline text. If this is what you want, then there is not a setting for. To auto-expand column 0 to 9 (the first 10 columns): sampleDataSheet. xlsx spreadsheet files using java program. It has the steps and a runnable sample code to change cell height in Excel using Java. May 22, 2023 · Hi! I’m using Apache POI to generate . Look at the following example: The first column (A) has the value: "row number" whic I am using Apache POI API to generate excel spreadsheet to output some data. The most common type of sheet is the worksheet, which is represented as a grid of cells. We covered creating and reading Excel files, updating data, and generating charts. Mar 25, 2025 · Learn how to change the cell background color in Excel using Apache POI. In this article, we are going to discuss how to fill the background colors and foreground colors of the cells in Excel using the Apache POI. Apache POI is efficient to handle excel file. How to calculate the needed height? Well this is the challenge. May 28, 2015 · How to get the size or length of column in generated Excel file using POI Apache Asked 10 years, 5 months ago Modified 6 years, 4 months ago Viewed 12k times Apr 16, 2014 · To read, write and update XLSX, we can use Apache POI API. com Apr 20, 2021 · In most cases, we need to adjust the row height and column width to better display the contents of certain Excel cells. Step 3: Apply the styles, here merge the cells using the command spreadsheet. You can set the column width using setColumnWidth method of XSSFWorkbook. Jul 23, 2025 · In the previous article, we have seen how to read data from the formula cell, here we are going to create the formula cell using Apache POI. It provides libraries for reading and writing files in Microsoft Office formats, such as Word, PowerPoint, and Excel. cell. Now, this article will introduce how to do this programmatically using Free Spire. Apache Jan 12, 2020 · 1 First approach Set wrap text cell style for whole description column (column B) in your template using Excel 's GUI. 1. Jun 29, 2021 · A Generic way to write Excel files using Apache POI and Java Reflection Introduction Working with Excel documents is a frequently used feature in a software application. 70 I am writing a tool in Java using Apache POI API to convert an XML to MS Excel. For handling Excel files, we need to make use of the well known Apache POI library. xlsx file using java and Apache POI library. Increase Cell Size In Excel Using Java - This brief code demonstrates the process to change the width by using the Cells setColumnWidth function and providing the column index and a double value describing the exact width Similarly for changing the single column size based on the contents you may call Worksheet autoFitColumn by providing the Nov 7, 2014 · I'm trying to build an excell file with apache. However, you noticed that the column width logic in Apache POI may not be straightforward. Create style using XSSFCellStyle in which we are going to apply different styles. In this article, a way to … Aug 4, 2024 · In our article, we have showed 5 methods to change cell size in Excel. Overview In this quick tutorial, we’ll demonstrate how to format numeric cells in Excel using Apache POI. Cells for Java, a powerful library designed to handle Excel spreadsheets effortlessly. Dec 7, 2023 · This tutorial explains how to auto fit Excel using Java. Xls. 2. Among other features, it allows developers to change document formatting programmatically. Generally we need to set background color and font color for our rows and cell in excel file. I am creating as describe in this link http://svn. Usually, it takes from top left to the bottom right of the Excel Spreadsheets. Jan 27, 2024 · Java FastExcel tutorial shows how to read and write Excel files in Java with the FastExcel library. The data in my cell might be all digits, but it is still considered a string. Setting color can be used as heading or column name that increases the readability of excel file. (refer API docs) Is there a formula for converting points to the width as expected by Excel? To ensure that columns in an Excel spreadsheet generated with Apache POI are automatically adjusted to fit their content, especially for long text entries, you can use the 'autoSizeColumn' method. To write data into an excel sheet itself using poi : 1. Jan 30, 2023 · Apache POI is an open-source java library to create and manipulate various file formats based on Microsoft Office. How do you change the width of a cell in Excel in Java? Setting the Width of a Column Set the width of a column by calling the Cells collection’s setColumnWidth method. Jul 23, 2025 · Step 1: Create a Maven project in eclipse and add Apache POI (used for setting value type of cells) dependencies to it or a Java project with Apache POI library installed. In this example we will understand from scratch how to color in XLSX. The Apache POI is an open-source Java API library for manipulating the various Microsoft files format such as Excel, PowerPoint, and Word in Java. Namely- Format, AutoFit, Matching, Context menu, and merging. Approach: Writing a file using POI is very simple and involve following steps: Create a workbook. In this article, we’ll discuss how to change cells’ style in Microsoft Excel when using a class called CellStyle. Setting cell values. I am using the HSSF POI. This chapter explains how to set different fonts, apply styles, and display text in different angles of direction in an Excel spreadsheet. You can set headers and footers and their alignment using Java code of Apache POI. (HSSFWorkbook) I cant figure out how to set column width size. However, although alignement and background color are assigned correctly, font-size and font emphasis (bold, regular) don´t. In this article, we are creating an Excel file with three columns consisting of values and the last column is the formula cell which is calculated from the other cells by defining a certain formula, here we are creating the formula cell by adding all I am using POI to generate an Excel File. Jan 8, 2024 · In this article, we’ve explored two different approaches in Apache POI to adjusting the column width of Excel spreadsheets: Fixed width adjustment and auto width adjustment. getCell() method, we can easily obtain the first cell of the range. This guide provides an overview of how to achieve this using Apache POI, ensuring your data is displayed clearly without distortion or wrapping. The look and feel of the text can be controlled by changing its font settings. XLS for Java. I searched over internet about it, but everywhere they have given code to give style while creating cell/row itself. Cells for Java May 30, 2019 · Java code examples add formulas to cells and evaluate formula cells in Excel using Apache POI API. The 1st parameter is the column number (starts from zero) and the 2nd parameter is the width. 14. Jan 8, 2024 · 1. When it comes to working with data in Excel, cell formatting plays a crucial role in making the information easy to understand and visually appealing. Here below I am posting two functions from my java class. Cells developers can Jan 29, 2016 · 1 I am doing excel validations for input . Overview In this tutorial, we’ll learn how to add borders to an Excel sheet using the Apache POI Java library. g. Jul 23, 2025 · In this article, we will learn how to apply the custom font and various styles associated with it using Java and Apache POI (a Java API which is very useful to handle the Microsoft Documents). However, it won’t be displayed as multiple lines. autoSizeColumn(i); Also, you should create all your rows and fill them with content first, before you call autoSizeColumn (so the column gets the width of the value with the broadest width). This can be done using the Apache POI library of Java. Row#setHeight((short) -1); The auto size for cell height works fine in MS Excel. This tutorial has been updated for Java 17 and work with Apache POI modules. It covers the IDE setup, a list of steps, and a runnable sample code to auto fit in Excel using Java. This should be applied to new cells a user might create (after the workbook has been saved by POI) Aug 17, 2023 · In this article, we showed how to use Excel formulas in a Cell from Java application using Apache POI library. XLS for Java Jul 20, 2024 · In this tutorial, we explore effective methods for applying a bold font style to entire rows in Excel sheets using the Apache POI library. How to Auto Fit Row and Column Using Aspose. To ensure that columns in an Excel spreadsheet generated with Apache POI are automatically adjusted to fit their content, especially for long text entries, you can use the 'autoSizeColumn' method. How To Set Cell Size In Excel Using Java Jul 23 2007 nbsp 0183 32 set off set out set about set out 1 The young workers set about their work with great enthus Oct 19, 2016 · I am creating an excel file with apache poi the excel is generated but i can not adjust the column with according to the cell values i am posting the code what i have Oct 3, 2013 · There is an autoSizeRow (int rowIndex) method half way down. xlsx will look different when opened by a German or British person/ and flagged with an asterisk if you choose it in Excel's cell format chooser) you should: Jun 28, 2021 · Usually the default background of Excel documents is white, and in order to beautify the document, we can set background color or background image for the Excel document. Jan 18, 2022 · This brief tutorial will guide you on how to adjust column width in Excel using Java. Jan 8, 2024 · 3. Introduction Welcome to our Excel tutorial on how to set cell format in Excel using Java POI. jar file to your Jun 29, 2021 · A Generic way to write Excel files using Apache POI and Java Reflection Introduction Working with Excel documents is a frequently used feature in a software application. All cells have 11 points bold. 1# Installation Method 1: Download the free API and unzip it, then add the Spire. Excel Borders We can create borders to an excel cell or for a range of cells. In this tutorial, you learned how to manipulate Excel data using Apache POI in Java. Jun 1, 2016 · I am working on a project that writes to an excel file. Advantage of Using Auto Fit Feature When users need to work with spreadsheets containing huge amounts of data, some of the cells may contain Learn how to set font size in Excel files using Aspose. Mar 17, 2019 · I am try to create a big excel 2010 with 30 columns and 1 million records with Apache poi latest. Images can be added to an Excel cell or a range of cells. xlsx documents. Apache POI is a powerful Java library for reading and writing Microsoft Office formats, making it essential for applications that deal with Excel spreadsheets. The thing is some of my strings contains multiple lines and when put in a cell only some of the informations are DsExcel Java provides support for automatic adjustment of row height and column width based on the data present in the rows and columns. This example covers spreadsheet preparation, including creating a workbook, sheet, and adding data, as well as adjusting column widths. Dec 5, 2021 · In this article, we learned how to add an image to the cell of an Excel worksheet in Java using the apache-poi library. Surely it will not auto fit the height while you are shrinking the width using the mouse in the GUI. For example, we can merge several cells horizontally to create a table title that spans several columns: To achieve this, we can use addMergedRegion to merge several cells defined by CellRangeAddress. Used versions: Apache POI Jun 28, 2022 · In this tutorial, you will learn how to insert comment in Excel using Java. Sheets are the central structures within a workbook, and are where a user does most of his spreadsheet work. It then sets the row height to the height of the tallest cell. Set image background for an Excel document with Java code. This short tutorial will demonstrate the code needed to properly show such text. When I try to set the cell style it's not getting reflected in the excel file. Discover code examples and troubleshooting tips for effective spreadsheet management. In this article, I’ll show you to how to apply font styles like size, color to cells and how to make text bold, underline or italic, by using Free Spire. That is to say, using this class, we can write code to modify the style Feb 22, 2024 · 2. Apache POI is a powerful Java library for reading and writing Microsoft Office files, including Excel spreadsheets. Create a font and apply styling to it in the spreadsheet. We use the different classes and methods of POI library to set a print area of the spreadsheet. I'm trying to write multiline text to excel cells. jar file to your project as dependency. And for older versions I guess it's arround 1E7. How to Set Column Width in Excel Using Aspose. Set format data. With a single click, it makes all the data in a cell clearly visible without having to manually adjust the column width or row height. e. In this tutorial, we will explore the Java spreadsheet support and learn how to create Microsoft Excel . Normally, users adjust row heights and column widths in a WYSIWYG environment using Microsoft Excel. Finally, we add the merged region by creating a CellRangeAddress object and calling the addMergedRegion() method. But, with Aspose. Jul 20, 2024 · In this tutorial, we explore effective methods for applying a bold font style to entire rows in Excel sheets using the Apache POI library. xml. Jan 15, 2024 · Follow this article to add borders in Excel using Java. setColumnWidth (columnIndex, 8*256), then the actual value of visible characters (the value shown in Excel) is derived from the following equation: Jul 23, 2025 · Creating Formula in Excel using Java We will use the Apache POI library in the project to write this article to share with you my experience in dealing with formulas in Excel files. ss. Straightforward and trendy! Sep 27, 2022 · Use Java Excel library to autofit rows and columns in Excel files. addMergedRegion. May 19, 2021 · HOME In the previous tutorial, I have explained about How to add Formulas in Excel in Java. Oct 20, 2019 · I am trying to set the background color for headers in excel file, But getting the black color with no content visible on the cell. Merge Cells In Excel, we sometimes want to display a string across two or more cells. May 12, 2016 · Using the Calibri font as an example, the maximum digit width of 11 point font size is 7 pixels (at 96 dpi). Feb 9, 2021 · The following example will introduce how to set number format in Excel using Free Spire. This method recalculates the width of specified columns based on the contents of the cells within them, enabling you to avoid manually resizing columns in Excel after they are generated. Using POI, one should be able to perform create, modify and display/read operations on the following file formats/ it can be used to create a cell in a Given Excel file at a specific position. How can I accomplish this? Jul 11, 2017 · 3 I use the following method to define the cell styles for my worksheet. Aug 22, 2023 · This article shows how to manipulate Excel Files in Java by using Apache POI API. Sometimes, applying formatting to rows or columns means that the current height or width needs to change to show the data. When working with spreadsheets and adding data to rows or columns, you might need to change the height of rows or width of columns. In this article, you will learn how to programmatically AutoFit the column width and row height in an Excel worksheet using Spire. Jul 23, 2025 · Step 2: Create a workbook using “new XSSFWorkbook ()” in which we have to create the spreadsheet or the Excel file using “workbook. Enhance your document formatting skills today! Learn how to adjust font size in a specific Excel cell using Java and Apache POI library with step-by-step instructions and code snippets. Method 2: You can also add the jar dependency to maven project by adding the following configurations to the pom. Jul 29, 2017 · Calculate the needed height and then use one of the setHeight methods of XSSFRow. Oct 29, 2021 · We can programmatically create multiline text in a Microsoft Excel spreadsheet with Apache POI. The problem I am facing is when the spreadsheet is created and opened, columns are not expanded so that some long text Learn how to use Apache POI to automatically adjust Excel cell sizes based on content. In this article, you will learn how to programmatically set background color and pattern style for a specified cell or cell range in Excel using Spire. This article will introduce how to set the row height and column width programmatically by using a free Java API (Free Spire. Import the Jar dependency Method 1: Download the Free Spire. 0. I want to set a default s Learn how to automate Excel tasks in Java with source code examples using Aspose. But the Apache POI API has a slightly queer logic for setting column width based on font size etc. But it doesn’t work, if the document is opened in LibreOffice Calc. Add Spire. I need to set auto size height for table cells and I’m using next methods: org. These font settings may include the name, style, size, color and other effects of the fonts as shown below in the figure: Font settings in Microsoft Excel Just like Microsoft Excel, Aspose. createSheet ('Sheet1')” in which we are going to apply different styles. There are two ways to set the cell range. 0 and poi-ooxml 4. poi. Cells for Java with this step-by-step tutorial. Writing the content to the workbook by defining the object of type FileOutputStream Close the connection of the file. One common requirement when generating Excel files is to set a fixed width for specific columns. CellStyle#setWrapText(true); org. You will set width of column in excel using java using a few lines of code in all the operating systems supporting Java like Windows, macOS or Linux. Jul 25, 2022 · We have a large excel file to generate using apache poi and java. Jan 19, 2021 · We can set the print area in a Spreadsheet. Sep 2, 2023 · By using the CellUtil. Working in Excel files is made easy by the Apache POI library. setCellValue("Cell with comment"); //write text to cell //add comment to cell C6 (row 5, column 2): addComment(workbook, sheet, 5, 2, "the author", "content of comment"); May 2, 2023 · Learn how to use the Excel JavaScript API to set and get range values, text, or formulas. Learn how to automatically set column widths in Excel with Apache POI. Download and use high-speed Java library for spreadsheet manipulation. Worksheet cells can contain text, numbers, dates, and formulas. We needed to load the image, convert it into bytes, attach it to the sheet, and then use the drawing tools to locate the image in the correct cells. I am currently using Apache POI for Java to set formulas in cells. In my XML input, I receive the column width in points. Create a cell Mar 16, 2016 · I am using Apache-POI 3. But when the excel file is generated, the cell width is rounded into the whole number of the width size i want to. Learn about how to set background in Java using an Excel library. Cells, a powerful library for Excel manipulation. aspose. Cells Java Introduction Are you looking to manipulate Excel files programmatically and need control over column widths? This comprehensive tutorial will guide you through setting the width of columns using Aspose. jar as dependency cell. To set to default Excel type Date (defaulted to OS level locale /-> i. Cells also supports configuring the font settings of the cells. We are using following two functions. It basically iterates down the row and for each cell finds the number of lines of text, then uses the font size to calculate the optimal cell height. apache. Cells for Java The most straight-forward approach to auto-sizing the width and height of a row is to call the Worksheet. Steps to Add Borders in Excel using Java Set the environment to use Aspose. Is there any other way to merge cells in Excel using Apache POI library? I was trying using the following, but its not working // selecting the region in Worksheet for merging data CellRangeAddress Sep 25, 2012 · I am trying to create an excel sheet using Java. 9 examples below to show how to use Apache POI library to create Excel cells with different aligment. Sep 6, 2021 · In this post, we will see how to set and evaluate formulas in excel using Apache POI. Mar 12, 2023 · This Apache POI tutorial shows you about setting Excel cell Alignment in Java. Create rows using XSSFRow Create a cell using XSSFCell. In that we want to auto size columns width based on highest length text. Sometimes, applying formatting on rows or columns means that the current height or width needs to change to show the data. I want to Aug 19, 2023 · In this article, we have shown how to insert Headers and Footers in an Excel file using Apache POI for Java. I then use cell. org/repos Dec 12, 2024 · StyledCell. High level representation of a Excel worksheet. AutoFit is a very practical feature MS Excel offers to automatically resize cells to accommodate different sized data. autoFitRow method. suume qgddlz evnmf dgdebupc psym lsz mry tloqdu ebnle afvq vvhs tzfyg ycpqbf cxvj psihytcp