There's the Fit Text to Width add-on for Firefox: https://addons.mozilla.org/en-US/android/addon/fit-text-to-width/ https://addons.mozilla.org/en-US/android/ad

There's the Fit Text to Width add-on for Firefox: https://addons.mozilla.org/en-US/android/addon/fit-text-to-width/ https://addons.mozilla.org/en-US/android/addon/fit-text-to-w... The Accessibility section in the Firefox for Android settings also contains options for adapting pages to the system font size and overriding zoom-blocking. And there's the built-in Reader View which extracts and represents the text from supported pages.