Add Page Number to PDF

Add page number to PDF

Use PdfFileStamp when page numbering must be applied after the PDF content has already been created.

Steps

1. Create a PdfFileStamp instance and bind the source PDF.
2. Choose the page-number placement strategy you need.
3. Optionally set numbering style and starting number before stamping.
4. Call addPageNumber with the required overload.
5. Save the output and close the facade object.

Java examples

public static void addPageNumbersDefault(Path inputFile, Path outputFile) {
    PdfFileStamp pdfStamper = new PdfFileStamp();
    try {
        pdfStamper.bindPdf(inputFile.toString());
        pdfStamper.addPageNumber("Page #");
        pdfStamper.save(outputFile.toString());
    } finally {
        pdfStamper.close();
    }
}

public static void addPageNumbersAtCoordinates(Path inputFile, Path outputFile) {
    PdfFileStamp pdfStamper = new PdfFileStamp();
    try {
        pdfStamper.bindPdf(inputFile.toString());
        pdfStamper.addPageNumber("Page #", 300, 20);
        pdfStamper.save(outputFile.toString());
    } finally {
        pdfStamper.close();
    }
}

public static void addPageNumbersWithPositionAndMargins(Path inputFile, Path outputFile) {
    PdfFileStamp pdfStamper = new PdfFileStamp();
    try {
        pdfStamper.bindPdf(inputFile.toString());
        pdfStamper.addPageNumber("Page #", PdfFileStamp.POS_BOTTOM_RIGHT, 10, 10, 10, 10);
        pdfStamper.save(outputFile.toString());
    } finally {
        pdfStamper.close();
    }
}

public static void addPageNumbersWithRomanStyle(Path inputFile, Path outputFile) {
    PdfFileStamp pdfStamper = new PdfFileStamp();
    try {
        pdfStamper.bindPdf(inputFile.toString());
        pdfStamper.setNumberingStyle(NumberingStyle.NumeralsRomanUppercase);
        pdfStamper.setStartingNumber(42);
        pdfStamper.addPageNumber("Page #", PdfFileStamp.POS_UPPER_RIGHT);
        pdfStamper.save(outputFile.toString());
    } finally {
        pdfStamper.close();
    }
}