Which software (Windows&Linux) can I use to (yellow) "light pen" text in an image?

Like below:

Yellow Markers

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    Are you talking about highlighting parts of an image that happens to be text_, i.e. a screenshot or about highlighting text within a running application - they are very different. – Steve Barnes Sep 14 '16 at 17:47
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    @Steve Barnes: On a screenshot. Though within a running application would also be interesting. – Stefan Steiger Sep 23 '16 at 13:28

If you are just looking for simple easy to use software I highly suggest you try using Lightshot. It's a nifty little tool that lets you use a highlighter on the image as well as draw arrows, lines, boxes and write text. Here is a tutorial for working with Lightshot.

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Windows also has a built-in screenshotting tool called Snipping-tool that is similar to Lightshot.

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If you are wanting to extract the text from the screenshot as well, then you would need a screenshotting tool that also has OCR support. You could check out the OCR Screen Capture demo from LEADTOOLS here

Disclaimer: I am an employee of this prodcuct

  • Nice. Feature request to pass on: 1. Adjustable marker size. 2. If I press CTRL while marking, it should restrict movement to stay in a (horizontal) line (from start point + marker height/2), with a little wobble (generated by the actual movement or whatever algorithm looks good). Right now, I'm slipping too much over/below the line I want to mark. Otherwise great tool. PS: It lacks a downloadable zip (no-setup). I have no admin rights to install anything on the corporate computer. – Stefan Steiger Jun 23 '17 at 9:22
  • Also, add the path to lightshot to the registry (when non-administrator), in app paths, e.g. [HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\App Paths\Lightshot.exe] @="D:\\Programme\\lightshot\\Lightshot.exe" . That way I can start it when necessary with super+R ;) – Stefan Steiger Jun 23 '17 at 9:37

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