Suppress speckle and convert image to PDF

With Image to PDF Converter, you can suppress speckle and convert image to PDF with GUI interface and command line in Windows platforms.

Please download installer of Image to PDF Converter from this link:, then double click this installer and follow setup wizard step by step till it is successful to install GUI version of Image to PDF Converter. After that, you need to download zip file of CMD version from this link:, then CMD version of Image to PDF Converter can be used after you extract content of zip to your computer.


1. Open GUI interface, then click “Add Files” > select one image in dialog box of “Image2PDF” > click “open”, then this image can be added for this process appearing as a path in processing form, so you can click this path in order to preview this image on GUI interface:

interface of Image to PDF Converter

2. Click “Setting” on GUI interface, then there will be a pop panel on your screen. Then, you need to click “Base Setting” tab > click check box of “Despeckle” there in order to suppress speckle later, then click “ok” in order to save this setting.

click "Despeckle" and click "ok" on setting panel

After program jump back to GUI interface, please click “Make PDF” there > click “Convert one file into one PDF file” on dropdown list, so there will be a dialog box popped on your screen, where you need to select one destination folder for saving PDF later, at last, please click “save” there so that Image to PDF Converter starts to process your image, and later on, it can be processed into PDF file with no speckle.


1. Run “cmd.exe” in order to open command prompt window

Command prompt window is running environment of CMD version of Image to PDF Converter, and you need to follow steps below to start it: click “Windows + R” > input “cmd.exe” in dialog box of “Run” > click “ok”.

2. Follow example below to accomplish your process

f:\image2pdf_cmd3.2\img2pdf.exe –c –o g:\end\human.pdf d:\start\human.bmp

f:\image2pdf_cmd3.2\img2pdf.exe is path of “img2pdf.exe”, which is typed for calling program itself so that CMD version of Image to PDF Converter can be effective; –c is parameter to clear spot in image; –o g:\end\human.pdf is essential combination, and the former is essential parameter to generate PDF file, and the latter stands for objective path for saving PDF file; d:\start\human.bmp is source path used to add this image for this conversion.

After you type command line like above, one click on “enter” can help you convert image to PDF with speckle suppressed.

To know more knowledge of Image to PDF Converter, please go to its homepage at And if you feel confused in any aspects of this process, which is about how to suppress speckle and convert image to PDF, please leave your comments here, we will give you a quick respond. 🙂

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