Exactly what I was looking for and works exactly as expected. Extremely helpful in quickly sifting through job postings to highlight keywords that are applicable to my skills. Thanks for developing this extension, Wim, exceptionally helpful!

I love it, soon to be #1 find/search tool Firefox extension. Many thanks, I am so happy, see me smile ear to ear.

Many of the "save" bugs are fixed by clicking "save" and then closing the browser, and reopening the browser, wella!!, the change has been made, sometimes not. Have fun with it.

awesome awesome awesome! beautiful and thanks to the developer!

I love this extension, there was a problem in the import function and the author solved the problem in less than 24 hours.

Perfect!
Works EXACTLY the way I needed!

I loved this on Chrome but I don't like Chrome. I just found out it was on Firefox and installed it but it doesn't work. I have the same settings that I had on Chrome. Is there a fix on the way or am I missing something?
Update:
I found out the problem. I used punctuation(grammar) symbols in my list and it caused disfunction in the add-on.
Apparently you can't use any symbols on Firefox but you can use some but not all symbols on Chrome.
Update: Wim Deboel fixed the symbols problem and I donated $8.00 because this is the best Highlighter Addon. I should have updated back on August 25 when I donated.

Works nice and adds a feature that I wish was natively in firefox.

Fantastic addon that I use for browsing through scientific literature (specific keywords). Earlier I used Phrase Highlighter but that is not working with Firefox quantum.