How to convert image to PDF under Unix?

Question:How can I convert image like png to PDF under Unix? I see your image to PDF converter but it does not support Unix system. Is there any solution on VeryPDF?

Answer: Now on VeryPDF there is no desktop version software which can help you convert image to PDF under Unix system. But you can have a free trial of cloud based application VeryPDF Image to PDF Converter Cloud API by which you can convert image to PDF at any computer system like Unix, Mac, Linux and other system. But this software can not convert image to PDF under Unix in batch. By this online application, you can crop image, rotate image and others before converting it to PDF. Please check more information of this software on user manual, in the following part, I will show you how to use this free online application.

Step 1. Know how to use this cloud based application.

  • This cloud based application is free but there will be watermark on output. If you need to use this software without any limitation, please get an API code.
  • The API code will be sent to your email box which is used to register an account on registration page. By the API code, you can use more than 20 cloud applications on VeryPDF totally free.

Step 2. Convert image to PDF under Unix

  • As this application is cloud based, you can use it at any system. Please copy the URL of following to any browser at Unix then you can run the conversion.
    By this URL, we can convert image of png to PDF. Please change the apikey to the real code in your email box or else there will be watermark on output PDF.
  • Here is another example:
    By this command line, we can convert image to PDF and removes any edges that are exactly the same color as the corner pixels. This method also can be used to convert image formats like BMP, GIF, JPG, PNG, TGA, PCX, PNM, RAS,PBM and others to PDF.
  • Here are some parameters for your reference:
    -trim: trim an image. This option removes any edges that are exactly the same color as the corner pixels.
  • -crop :cut out one or more rectangular regions of the image.
    -resample horizontalxvertical:resample image to specified horizontal and vertical resolution.
    -deskew threshold: straighten an image. A threshold of 40% works for most images.
    -despeckle: reduce the speckles within an image.

Please check more parameters on homepage. By it we can convert image to PDF under Unix without any problem. During the using, if you have any question, please contact us as soon as possible.

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