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I have over 500 pictures that I need to watermark with text that will be different for every image. For example, if I have a picture of a building I want to watermark the Name or Address of this building. I have the unique information saved in an excel file with the image file name. Now after searching for the past three days I have not come across a tool that can batch watermark unique text for each picture. I am primarily running on a Windows, and I am comfortable using Command Line to complete this process. I am also willing to spend some money on a tool to do this so it doesn't need to be free and/or open source.

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Welcome to Software Recommendations! We will need a bit more information to give good recommendations here. Please take a look at What is required for a question to contain "enough information"? Then please edit your question and see if you can incorporate some of these improvements at minimum: What OS or is a web-app acceptable? GUI only or CLI only or either? – Nick Wilde Mar 8 '14 at 17:27
Thanks, I should have done that before I posted. I originally posted this question on but that seemed to make some people upset over there. – njackson.gis Mar 8 '14 at 18:12
@njackson.gis Not "upset". It was just the wrong place for it. – mattdm Mar 8 '14 at 18:14
@mattdm i was not talking about your post. its the helpful one. I was referring to the other posts. I had seen a lot of question about watermarking and processing images on that site and that's why I decided to post there first. thanks for your suggestion! – njackson.gis Mar 8 '14 at 18:20
@njackson.gis Is reading the excel file a requirement or would you be okay to have to save that as a CSV or some other format? – Nick Wilde Mar 8 '14 at 18:56

1 Answer 1

up vote 3 down vote accepted

You could do this with the ImageMagick convert command from a batch file it will allow you to apply text to a file, convert the type, rescale, etc., all in a single operation - it is also free.

e.g. convert rose.jpg -draw "text 25,60 'By Any Other Name'" outdir/rose.jpg

Alternatively you could use python, PIL (the python image library) or Pillow (a fork of PIL) and xlrd to do the whole job automatically including reading from the excel files. These are also free tools but will take a little more learning on your part. I would strongly recommend taking a backup of all your images before trying any operations on them.


Just to add - seeing some of the comments on the original question that all the tools that I mention in the answer above are:

  • Free (Gratis)
  • Free (Open Source)
  • Cross platform, specifically:
    • ImageMagik command line graphics manipulation:
      • Binary downloads for Unix, Mac OS(X), Windows & Linux
      • Source available so you can probably build it for just about anything else.
    • Python Programming Language:
      • Windows binaries available
      • Usually already installed on OS(S), Linux, Unix & many others
      • Ditto the source source
    • PIL/Pillow Image Manipulation Library:
      • Binaries available for Windows
      • Installed from source if you have Python/PIP on other platforms
    • XLRD Python Excel Reader Library
      • Source distribution works on any python platform
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Thanks Steve. I'll give this a try. – njackson.gis Mar 8 '14 at 18:13
Steve this does the trick. I just converted my excel to .txt and then create a batch file to add the text. Thanks for pointing me to this software! – njackson.gis Mar 8 '14 at 21:35
Gland to hear it worked for you @njackson.gis – Steve Barnes Mar 8 '14 at 22:08

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