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Follow along

While EarsUp reads, it lights up the sentence and the word being spoken, so your eyes can follow your ears.

Follow along on a light page: tinted sentence, marked word

Follow along on a dark page: white sentence, yellow underlined word

How it looks

EarsUp checks if the page is light or dark:

  • Dark pages: the sentence turns white and the spoken word turns your highlight colour, with an underline.
  • Light pages: the sentence gets a soft tint and the spoken word gets a marker in your highlight colour.

The highlight uses the browser's CSS Custom Highlight API. The page's text and layout are never changed, and the highlight goes away as soon as reading stops.

Settings

In General → Reading:

Setting Options Default
Follow along Off, Word only, Word and sentence Word and sentence
Highlight colour Yellow, green, pink, cyan Yellow

How exact is it?

  • Windows voices in Chrome tell EarsUp each word as it is spoken, so the highlight is exact.
  • Online Chrome voices (names that start with "Google") and Gemini voices do not. EarsUp estimates the word from the time and the length of the text. It is close, but it can run a little ahead or behind.