Capture an image with Snag it

I have downloaded free trial of Snagit for Mac.

I would like to capture an image of a Document, hide some private writings and write something over what is hidden. I have looked some videos , but could not find the one that does what I need.

I need to post some screenshots on this website (Expert Exchange), but do not want the private writing to show up on the screenshots.

Any help will be very much appreciated

Thank you
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Paul SauvéRetiredCommented:
I don't use Snagit, but here's how to get the job done:
Maintain Privacy in Your Captures
In Snagit Editor, you can hide or mask sensitive information in a capture such as a username, password, email address, personal information, etc.

Cover Up an Area

On the Draw tab, select the Shape tool.

From the Outline dropdown, select No Outline.

From the Fill dropdown, select the Select Color From Image option.

Use the color picker to select a color from the image.

Click and drag on the canvas to draw over the area to hide.
I tried SnagIt for Windows some years ago. It is not so great.
Why don't you just use it to capture what you need, then save as picture and change the picture with a free photo editor.

In fact, why not use Print Screen feature from your keyboard and edit directly in a photo editor? I do that ll the time in Windows, is easy and fast.
Eoin OSullivanConsultantCommented:
On OSX there is an inbuilt screengrab function and accompanying application called Grab (located in the Applications/Utilities folder) however there are no edit functions.

You can open the screengrab in the OSX Preview application and use the note tools to crop the image or overlay boxes and comments but again it is not possible to blur or hide content.

My recommendation is to use the SKITCH application (now part of the Evernote suite of tools) which has great annotation, blur and whiteout features and allows much more.

See example of skitch markup below
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Steven HarrisPresidentCommented:
If you are set on using snagit, you can just overlay an object (Square, Circle, etc.) onto the image and format that object to match the original image (i.e. change the fill color)
Using SnagIt, there are two simple options, once you have the screen capture:
1. Overlay a white box (for example) on the text you want to hide, or
2. Choose the Image, CutOut option.  Draw a box around what you don't want to be shown and "cut it" out of the final image.

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