Last updated FAQs:
-
Resolving MissingMethodException and AWS SDK Compatibility in .NET Applications -
How to use iText with Flutter? -
How can I find code examples for specific iText versions or releases? -
What features are supported or unsupported in pdfHTML? -
How does iText handle PDF encryption? -
How to deploy an iText License for Azure PowerShell? -
Resolving Microsoft.DotNet.PlatformAbstractions.dll Exception in Azure Functions -
Where are your .NET examples? -
Is iText free? -
How to merge PDFs and add bookmarks? -
How to solve an UnsupportedCharsetException when using itext-asian.jar -
How to fill XFA form using iText without breaking usage rights? -
How to move the content inside a rectangle inside an existing PDF? -
Where can I download the license key library? -
Can I create a Reader-enabled PDF using iText? -
How to change the order of Optional Content Groups? -
How to change a background Image into a watermark by altering the opacity? -
How to encrypt PDF using a certificate? -
Why can't I extract text added using a Type3 font correctly from a PDF? -
How to add an x-offset to a text pattern with every x-step? -
How do I create a separate OCR layer? -
How can I create a Reader enabled PDF with a signature field that can be signed in Adobe Reader -
Does a PDF file have styles, headers and footers? -
How do I add XMP metadata to each page of an existing PDF? -
How to set the OCG state of an existing PDF? -
Can I change the page count by changing internal metadata? -
I upgraded to iText version 7 or 8, how do I use my license? -
Do I need a license for Windows fonts when using iText? -
How do I install iText Core? -
Are iText 5 and iText 7 backwards compatible? -
Argument not specified in iTextSharp -
Could not find a glyph corresponding to Unicode character -
Do we license per functionality /feature? -
Do you have authorized resellers? -
Do you have customer testimonials? -
Does anyone have any idea how TabStop works? -
How can I add a new AcroForm field to a PDF? -
How can I add an image to all pages of my PDF? -
How can I add titles of chapters in ColumnText? -
How can I convert a CSV file to a table with a repeating header row? -
How can I crop the pages of an existing PDF document? -
How can I find the border color of a field? -
How can I find the maximum character limit for a text field? -
How can I generate a PDF/UA compatible PDF with iText? -
How can I load a font from /WEB-INF/resources/fonts/foobar.ttf? -
How can I log the number of documents / bytes I've processed? -
How can I read Roman page numbers? -
How can I serve a PDF to a browser without storing a file on the server side? -
How can I set the zoom level of a PDF using iText 7? -
How can I use regular and bold in a single String? -
How do I change the border color of a PdfPCell? -
How do I extend my 30-day free trial? -
How do I get a free trial? -
How do I get an object if I have its indirect reference? -
How do I insert a hyperlink to another page in an existing PDF? -
How do I renew my license? -
How do I rotate a PDF page to an arbitrary angle? -
How do I set parameters back to the default value? -
How do I use pdfRender in a .NET environment? -
How do setMinimumSize() and setFixedSize() interact? -
How do we define an application? -
How does a PdfPCell's height relate to the font size? -
How does iText Group count processes/files? -
How much does it cost to upgrade iText 5 to iText 7? -
How should I interpret the coordinates of a rectangle in PDF? -
How to adapt the position of the first line in ColumnText? -
How to add "continue on next page" / "continued from next page" to a table? -
How to add a background image to a cell? -
How to add a border to a paragraph? -
How to add a border to a PDF page? -
How to add a cover page to an existing PDF document? -
How to add a full line break? -
How to add a hidden text field? -
How to add a map with a pointer to a PDF? -
How to add a new form from an existing PDF template? -
How to add a page number in the header of a PDF/A Level A file? -
How to add a printable or non-printable bitmap stamp to a PDF? -
How to add a rectangle to every page of a document? -
How to add a shading pattern to a custom shape? -
How to add a table as a header? -
How to add a table in the top-right corner of the page? -
How to add a table on a form (and maybe insert a new page)? -
How to add a table to the bottom of the last page? -
How to add a text to the left and to the right in a header? -
How to add a watermark to a page with an opaque image? -
How to add alternative text for an image in Tagged PDF? -
How to add an image and text to the same cell? -
How to add an image to an AcroForm field? -
How to add an image to an existing PDF using AffineTransform? -
How to add an image watermark to a PDF file? -
How to add an In Reply To annotation? -
How to add an inner table surrounded by text? -
How to add an onMouseOver javaScript action to a TextField? -
How to add blank pages to an existing PDF in java? -
How to add blank pages while concatenating several PDFs using PdfSmartCopy -
How to add inline spacing in a PdfPCell? -
How to add JPEG images that are multi-stage filtered (DCTDecode and FlateDecode)? -
How to add multiple images into a single PDF? -
How to add text as a header or footer? -
How to add text at an absolute position on the top of the first page? -
How to add text inside a rectangle? -
How to add text to an image? -
How to add two images in one cell? -
How to align a label versus its content? -
How to align AcroFields? -
How to align two paragraphs to the left and right on the same line? -
How to allow a Unicode subscript symbol in a PDF without using setTextRise()? -
How to allow page extraction when setting password security? -
How to apply color to Strings in a Paragraph? -
How to attach files to a PDF? -
How to avoid an exception when importing a TIFF file? -
How to calculate the height of an element? -
How to calculate/set font line distance? -
How to change the author name for comments? -
How to change the color of a circle annotation? -
How to change the color of pages? -
How to change the icon of a push button field? -
How to change the line spacing of text? -
How to change the properties of an annotation? -
How to change the spacing between words and characters? -
How to change the text color of an AcroForm field? -
How to change the zoom factor in link annotations? -
How to change width of single column of table? -
How to check a check box? -
How to check for an event and remove it? -
How to check if a font is bold? -
How to choose the optimal size for a font? -
How to close a PDF file to recreate it? (File in use problem) -
How to continue an ordered list on a second page? -
How to continue field output on a second page? -
How to convert an A4 size PDF to a PDF booklet? -
How to convert an existing A4 PDF document to an A3 booklet? -
How to convert colored images to black and white? -
How to convert PdfStamper to a byte array? -
How to create a clickable polygon or path? -
How to create a complex PDF document? -
How to create a custom dashed line separator? -
How to create a document with unequal page sizes? -
How to create a JavaScript action to open the attachments panel? -
How to create a link to a specific page number? -
How to create a link to launch an external program? -
How to create a list without indentation? -
How to create a nested column? -
How to create a new PDF file if a file name already exists? -
How to create a PDF with a Cartesian grid? -
How to create a PDF with font information and embed the actual font while merging the files into a single PDF? -
How to create a pop-up window to display images and text? -
How to create a pushbuttonfield with double byte character text? -
How to create a table based on a two-dimensional array? -
How to create a table in which the cells have different widths? -
How to create a table with 2 rows that can be used as a footer? -
How to create a table with complex borders? -
How to create a table with only vertical borders? -
How to create a table with rounded corners? -
How to create a TOC when merging documents? -
How to create an uncompressed PDF file? -
How to create and apply redactions? -
How to create hierarchical bookmarks? -
How to create Persian content in PDF? -
How to create radio buttons inside a table? -
How to create unique images with Image.getInstance()? -
How to crop out a part of PDF file? -
How to decrypt a PDF document with the owner password? -
How to define different border types for a single cell? -
How to define multiple actions for a PushbuttonField? -
How to define spacing and leading in PdfPCell objects? -
How to define the data encoding when submitting a PDF form using AcroForm technology? -
How to define the page size based on the content? -
How to define the width of a cell? -
How to delete attachments in PDF using iText? -
How to disable the save button and hide the menu bar in Adobe Reader? -
How to display barcodes in a matrix-like structure? -
How to display indian rupee symbol? -
How to distribute the radio buttons of a radio field across multiple PdfPCells? -
How to divide a page in N parts so we can fill each with a different source? -
How to draw a borderless rounded rectangle? -
How to draw a borderless table in iTextSharp? -
How to draw a line every 25 words? -
How to draw a rectangle around multiline text? -
How to draw lines on an image? -
How to draw vertical gradient in iTextSharp? -
How to embed a font only partially? -
How to enable LTV for a timestamp signature? -
How to extend the page size of a PDF to add a watermark? -
How to extract a page number from a PDF file? -
How to extract embedded streams? -
How to extract text and anchor information from a PDF? -
How to fill a rectangle with color? -
How to fill out a PDF file programmatically? (Dynamic XFA) -
How To find internal links in a PDF file? -
How to find out the current cursor position on a page? -
How to find out which fields are required? -
How to find the absolute position and dimension of a field? -
How to fit a String inside a rectangle? -
How to fix the orientation of a PDF page in order to scale it? -
How to flatten a XFA PDF Form using iTextSharp? -
How to flatten a XFA PDF Form using pdfXFA -
How to format a field as a currency? -
How to format a field as a percentage? -
How to format a String resulting in a two-column display? -
How to generate 2D barcode as vector image? -
How to generate a report with dynamic header in PDF using iText 7? -
How to generate and design PDFs with iText or iTextSharp? -
How to get a font from an array? -
How to get rid of the top padding in a PdfPCell? -
How to get specific types from AcroFields? Like PushButtonField, RadioCheckField, etc -
How to get text and image in the same cell? -
How to get the author of a "free text" annotation? -
How to get the co-ordinates of an image? -
How to get the color properties of an AcroForm field? -
How to get the current page count? -
How to get the image DPI in PDF? -
How to get the number of characters in a field? -
How to get the page number of an arbitrary PDF object? -
How to get the page width and height of a PDF document? -
How to get the rendered dimensions of text? -
How to get the UserUnit from a PDF file? -
How to give an image rounded corners? -
How to hide the Adobe floating toolbar when showing a PDF in browser? -
How to hyphenate text? -
How to increase the accuracy of measurements in iTextSharp? -
How to insert a "linked rectangle" with iText? -
How to introduce a custom font weight in iText 7? -
How to introduce a rowspan? -
How to introduce multiple PdfPageEventHelper instances? -
How to introduce rounded cells with a background color? -
How to introduce superscript? -
How to invoke a page break for nested tables? -
How to keep specific words together on one line? -
How to load a PDF from a stream and add a file attachment? -
How to maintain a paragraph's indentation inside a table cell? -
How to make a field not required? -
How to make a single letter bold within a word? -
How to make an image a qualified mask candidate in itext? -
How to make sure a check box is printed? -
How to merge documents correctly? -
How to merge PDFs from ByteArrayOutputStreams? -
How to modify the size of annotations and make them read-only? -
How to move an AcroForm field? -
How to nest tables without extending the inner table? -
How to only read text from a constant location on PDF pages? -
How to open an MS Word attachment by clicking an image? -
How to position text relative to page? -
How to precisely position an image on top of a Table? -
How to preserve high resolution images in PDF? -
How to prevent images from resizing in a table cell? -
How to prevent splitting a table? -
How to prevent the resizing of pages in PDF? -
How to print mathematical characters like ∈, ∩, ∑, ∫, ? √, ∠? -
How to protect a PDF with a username and password? -
How to protect an already existing PDF with a password? -
How to put text above a barcode instead of under the bars? -
How to read bookmark titles? -
How to read PDFs created with an unknown random owner password? -
How to read text from a specific position? -
How to reduce redundant code when adding content at absolute positions? -
How to remove text from a PDF? -
How to rename named destinations in existing PDF files? -
How to reorder pages in an existing PDF file? -
How to reorder the pages of a PDF file? -
How to resize a PdfPTable to fit the page? -
How to resize an Image to fit it into a PdfPCell? -
How to restrict the number of characters on a single line? -
How to reuse a page from one PDF document into another PDF document? -
How to right-align text in a PdfPCell? -
How to rotate a page 90 degrees? -
How to rotate a page while creating a PDF document? -
How to rotate a paragraph? -
How to rotate a single line of text? -
How to rotate and scale pages in an existing PDF? -
How to send a 'success' response back to Acrobat Reader from a java servlet? -
How to send a file to the server through a PDF? -
How to set a fixed background image for all my pages? -
How to set background image in PdfPCell in iText? -
How to set initial view properties? -
How to set the export value of a check box? -
How to set the line width of a clipping path? -
How to set the page size to Envelope size with Landscape orientation? -
How to set the zoom level of a PDF using iTextSharp? -
How to set up a table display? -
How to show an image at a text field position? -
How to show an image with large dimensions across multiple pages? -
How to shrink pages in an existing PDF? -
How to split a row over multiple pages? -
How to stamp image on existing PDF and create an anchor? -
How to strike through text using iText? -
How to superimpose pages from existing documents into another document? -
How to tell iText how to clip text to fit in a cell? -
How to tell iText which fields to flatten first? -
How to tile a document and add margins to the tiles? -
How to truncate text within a bounding box? -
How to underline a portion of text in a text field? -
How to underline text with a dotted line? -
How to update a PDF without creating a new PDF? -
How to use a dotted line as a cell border? -
How to use a text extraction strategy after applying a location extraction strategy? -
How to use an image as list symbol? -
How to use Cyrillic characters in a PDF? -
How to use multiple fonts in a single cell? -
How to use System Font in iTextSharp with VB.net? -
How to use the font Verdana in PdfStamper? -
How to use the full size of a page? -
How to use two different colors in a single String? -
How to watermark PDFs using text or images? -
How to write a table header if part of a table is forwarded to the next page? -
How to write a Zapfdingbats character at a specific location on a page? -
I have been using iText 5 or 7 without a commercial license but never open sourced my application. What should I do? -
If iText is free why do I have to pay for it? -
Is it possible to attach multiple layout events to a PdfPCell? -
Is it possible to set a different alignment for text on the same line in the same cell? -
Is it safe to remove XFA? -
Is iText PDF a PDF viewer? -
License file was corrupted -
pdfOCR: If your scanned document has a mixture of sections with paragraphs and tables, what is a recommended strategy here? -
pdfOCR: Is handwriting recognition supported -
pdfOCR: Who provided TESS_DATA_DIRECTORY? -
Volume Counter FAQs -
What are the extra characters in the font name of my PDF? -
What does "Not LTV-enabled" mean? -
What does PDF 2.0 stand for? -
What does TextPositioning in pdfOCR do? -
What functionalities does iText 7 support? -
What is causing syntax errors in a page created with iText 7? -
What is the connection between LTV and document timestamps? -
What is the difference between AGPL and commercial license? -
What is the difference between getPageLabels and getPageLabelFormats? -
What is the difference between iText, JasperReports and Adobe LC? -
What is the PdfPTable.DefaultCell property used for? -
What is the size limit of pdf file? -
What's an easy to print "first right, then down"? -
When is the content flushed to a PDF File by iTextSharp? -
Where do I find demos and tutorials? -
Where do I get AGPL tech support? -
Where do I get pre-sales tech support? -
Where do I get tech support? -
Where do I get the PDF library? -
Where is the origin (x,y) of a PDF page? -
Which image types are supported by iText? -
Which languages are supported in pdfOCR? -
Which PDF filters are used to encode data? -
Which version of the license key library should I use? -
Why are PDF files different even if the content is the same? -
Why are the AcroFields in my document empty? -
Why aren't images added sequentially? -
Why aren't my fonts getting registered? -
Why can't I compile the iText source code? -
Why can't I set the font of a Phrase? -
Why do I get a "getOutputStream() has already been called for this response" error in JSP? -
Why do I get a BouncyCastle NoClassDefFoundError? -
Why do I get a font embedding error when creating PDFA/1a? -
Why do I get a message saying 1.not.found.as.a.resource? -
Why do I get a StackOverflowException in the OnEndPage() event handler? -
Why do I get an "InvalidPdfException: PDF header signature not found"? -
Why do I get an "System.IO.FileLoadException: Could not load file or assembly" error? -
Why do I get an error saying that "use of extended features is no longer available"? -
Why do I have to buy core to use the add-ons? -
Why do I have to pay for pdfhtml during my upgrade, when I already have XML Worker in iText? -
Why do PDFs change when processing them? -
Why does ColumnText ignore the horizontal alignment? -
Why does iText enter a cross symbol when CheckType style is check mark? -
Why does my header overlap with my content? -
Why does PdfStamper create a file with 0 bytes? -
Why does the cell background color affect the color of other lines? -
Why does the function to concatenate / merge PDFs cause issues in some cases? -
Why does using ColumnText result in "The document has no pages" exception? -
Why doesn't FontFactory.GetFont() work for all fonts? -
Why doesn't getDefaultCell().setBorder(PdfPCell.NO_BORDER) have any effect? -
Why is content missing in my table? -
Why is iText embedding a font even when I specify not to embed? -
Why is my cell event not triggered? -
Why is my content overlapping with my footer? -
Why is my font not applied when I create a PDF document? -
Why is the page size of a PDF always the same, no matter if it's landscape or portrait? -
Why is the text I extract from an English PDF page garbled? -
Why isn't the Rupee symbol showing? -
How to add / delete / retrieve information from a PDF using a custom property? -
How to merge forms from different files into one PDF?