This guide will walk you through everything you need to know about changing the font size on your Kindle Fire, ensuring a comfortable and personalized reading setup. I'm sorry to hear you're having difficulty with the font size being too small on your new Fire tablet. Just follow these steps to adjust the font size for your device, the Kindle app, and the Silk Browser. To adjust the device font size: Go to Settings. Select Display, and then select Font Size. You may be happy with the overall font size on your Kindle Fire and still want to make Kindle book letters bigger. Fortunately, there’s an easy way to format and customize the Kindle app settings according to your preferences. Adjusting both font size and display size make it easier to read content across your Fire Tablet. To adjust the device font size: Go to Settings. Select Display, and then select Font Size. Adjust the slider to make the text on the screen smaller or larger. The best way to increase font size on an Amazon Fire HD tablet is to use the system Display settings or Accessibility menu for device-wide adjustments, and the 'Aa' text settings within. Go to Settings. Select Display, and then select Font Size. Adjust the slider to make the text on the screen smaller or larger. If you think that the current font size of your Kindle Fire is not big enough, you can always change the font size easily. Check out the article below on how you can change the font size in your Kindle Fire both for the menu and right on the specific book that you are reading. Go to Settings. Select Display, and then select Font Size. Adjust the slider to make the text on the screen smaller or larger. You may be happy with the overall font size on your Kindle Fire and still want to make Kindle book letters bigger. Fortunately, there’s an easy way to format and customize the Kindle. To change the font size on an Amazon Fire tablet, go to ‘Settings’, tap on ‘Display’ or ‘Accessibility’, then select ‘Font Size’ or ‘Text Scaling’. Adjust the slider to increase or decrease the font size according to your preference. Changes apply instantly across most apps and system menus.