Convert PDF to Image in Java

JPedal converts PDF files into BMP, HEIC, JPEG, JPEG2000, PNG, TIFF or WEBP image files

Convert PDF to Image with this Java code

ConvertPagesToImages convert = new ConvertPagesToImages("/path/to/file.pdf");
try {
    if (convert.openPDFFile()) {
        for (int page = 1; page <= convert.getPageCount(); page++) {
            final BufferedImage bi = convert.getPageAsImage(page);
            final File out = new File("/path/to/output/" + page + ".bmp");
            // Setters to control output
            final BmpEncoderOptions options = new BmpEncoderOptions();
            JDeli.write(bi, options, out);
        }
    }
} catch (PdfException | IOException e) {
    e.printStackTrace();
} catch (Exception e) {
    e.printStackTrace();
}
convert.closePDFfile();
ConvertPagesToImages convert = new ConvertPagesToImages("/path/to/file.pdf");
try {
    if (convert.openPDFFile()) {
        for (int page = 1; page <= convert.getPageCount(); page++) {
            final BufferedImage bi = convert.getPageAsImage(page);
            final File out = new File("/path/to/output/" + page + ".gif");
            // Setters to control output
            final GifEncoderOptions options = new GifEncoderOptions();
            JDeli.write(bi, options, out);
        }
    }
} catch (PdfException | IOException e) {
    e.printStackTrace();
} catch (Exception e) {
    e.printStackTrace();
}
convert.closePDFfile();
ConvertPagesToImages convert = new ConvertPagesToImages("/path/to/file.pdf");
try {
    if (convert.openPDFFile()) {
        for (int page = 1; page <= convert.getPageCount(); page++) {
            final BufferedImage bi = convert.getPageAsImage(page);
            final File out = new File("/path/to/output/" + page + ".heic");
            // Setters to control output
            final HeicEncoderOptions options = new HeicEncoderOptions();
            JDeli.write(bi, options, out);
        }
    }
} catch (PdfException | IOException e) {
    e.printStackTrace();
} catch (Exception e) {
    e.printStackTrace();
}
convert.closePDFfile();
ConvertPagesToImages convert = new ConvertPagesToImages("/path/to/file.pdf");
try {
    if (convert.openPDFFile()) {
        for (int page = 1; page <= convert.getPageCount(); page++) {
            final BufferedImage bi = convert.getPageAsImage(page);
            final File out = new File("/path/to/output/" + page + ".jpg");
            // Setters to control output
            final JpegEncoderOptions options = new JpegEncoderOptions();
            options.setQuality(90); // Default is 75. No compression is 100
            JDeli.write(bi, options, out);
        }
    }
} catch (PdfException | IOException e) {
    e.printStackTrace();
} catch (Exception e) {
    e.printStackTrace();
}
convert.closePDFfile();
ConvertPagesToImages convert = new ConvertPagesToImages("/path/to/file.pdf");
try {
    if (convert.openPDFFile()) {
        for (int page = 1; page <= convert.getPageCount(); page++) {
            final BufferedImage bi = convert.getPageAsImage(page);
            final File out = new File("/path/to/output/" + page + ".jpx");
            // Setters to control output
            final Jpeg2000EncoderOptions options = new Jpeg2000EncoderOptions();
            options.setOutputSubtype(Jpeg2000OutputSubtype.JPX); // Default is JPX. JP2 also
            JDeli.write(bi, options, out);
        }
    }
} catch (PdfException | IOException e) {
    e.printStackTrace();
} catch (Exception e) {
    e.printStackTrace();
}
convert.closePDFfile();
ConvertPagesToImages convert = new ConvertPagesToImages("/path/to/file.pdf");
try {
    if (convert.openPDFFile()) {
        for (int page = 1; page <= convert.getPageCount(); page++) {
            final BufferedImage bi = convert.getPageAsImage(page);
            final File out = new File("/path/to/output/" + page + ".png");
            // Setters to control output
            final PngEncoderOptions options = new PngEncoderOptions();
            options.setCompressionFormat(PngCompressionFormat.NONE);
            JDeli.write(bi, options, out);
        }
    }
} catch (PdfException | IOException e) {
    e.printStackTrace();
} catch (Exception e) {
    e.printStackTrace();
}
convert.closePDFfile();
ConvertPagesToImages convert = new ConvertPagesToImages("/path/to/file.pdf");
try {
    if (convert.openPDFFile()) {
        for (int page = 1; page <= convert.getPageCount(); page++) {
            final BufferedImage bi = convert.getPageAsImage(page);
            final File out = new File("/path/to/output/" + page + ".tiff");
            // Setters to control output
            final TiffEncoderOptions options = new TiffEncoderOptions();
            options.setCompressionFormat(TiffCompressionFormat.DEFLATE);
            options.setResolutionUnit(TiffResolutionUnit.INCH);
            options.setXResolution(300);
            options.setYResolution(300);
            JDeli.write(bi, options, out);
        }
    }
} catch (PdfException | IOException e) {
    e.printStackTrace();
} catch (Exception e) {
    e.printStackTrace();
}
convert.closePDFfile();
ConvertPagesToImages convert = new ConvertPagesToImages("/path/to/file.pdf");
try {
    if (convert.openPDFFile()) {
        for (int page = 1; page <= convert.getPageCount(); page++) {
            final BufferedImage bi = convert.getPageAsImage(page);
            final File out = new File("/path/to/output/" + page + ".webp");
            // Setters to control output
            final  options = new ();
            options.setQuality(90); // Default is 75. No compression is 100
            options.setCompressionFormat(WebpCompressionFormat.LOSSLESS); // Also supports LOSSY
            JDeli.write(bi, options, out);
        }
    }
} catch (PdfException | IOException e) {
    e.printStackTrace();
} catch (Exception e) {
    e.printStackTrace();
}
convert.closePDFfile();
// Disable all caching to file to reduce memory usage
PdfFileReader.alwaysCacheInMemory = -1;
// bytes is a byte[] with the PDF file data
ConvertPagesToImages convert = new ConvertPagesToImages(bytes);
// convert.setPassword("password"); // If password needed
try {
    if (convert.openPDFFile()) {
        int pageCount = convert.getPageCount();
        for (int page = 1; page <= pageCount; page++) {
            BufferedImage image = convert.getPageAsImage(page);
        }
    }
} catch (PdfException e) {
    e.printStackTrace();
}
convert.closePDFfile();

What do other developers think?

JPedal PDF to Image Conversion Key Features

JPedal allows developers to convert the pages of PDF Documents to high quality Images.

Image Output Formats

JPedal can write to BMP, HEIC, JPEG, JPEG2000, PNG, TIFF (single and multipage), and WEBP

Image Size Settings

JPedal allows precise control over image output size, including options to upscale and downsample.

In-memory Conversion

JPedal can be setup to perform the conversion totally in memory for maximum speed or security.

Outstanding Performance

JPedal is 3-4 times faster than other alternatives, with lower memory usage.

No other dependencies

JPedal just needs Java to run. It does not use any other native or Java libraries.

Java support

JPedal works with Java 17 and above and is tested on all new Java releases.

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