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Reviews for YouTube™ Open Tabs Total Time

YouTube™ Open Tabs Total Time by Tomas Martty

3 Stars out of 5
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Review by Firefox user 13074501
by Firefox user 13074501, 4 years ago
Do not work for me. Shows NaN NaN Total Time
2 reviews
  • by Duelbro, 2 years ago
    Works well for me, even tracks time left on videos, not just total time.