Mobile Dyslexic by Jari Eskelinen

NOTICE: Due to changes in what extensions can be installed to Firefox for Android, Mobile Dyslexic is not installable on Android at the moment. There is nothing I can do, my apologies! But not all is lost, you can use Firefox for Android Nightly, which allows any add on. Process is a bit difficult, but for me seemed to work:

https://blog.mozilla.org/addons/2020/09/29/expanded-extension-support-in-firefox-for-android-nightly/

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Mobile Dyslexic replaces all fonts of all web pages with carefully crafted special font which is easier to read by people with dyslexia. Letters will have weighted bottoms and larger letter spacing making it easier to recognize individual letters and their orientation.

Mobile Dyslexic works also on Firefox for Android making it the first mobile platform taking people with dyslexia into account. Mobile Dyslexic is based on OpenDyslexic typeface.

After installation Mobile Dyslexic is automatically enabled. It can be disabled or re-enabled by pressing "D" button on desktop or "Mobile Dyslexic" main menu item on mobile.

Since Mobile Dyslexic forces one single font to be used everywhere and dimensions of letters are a bit different than usually some pages may look a bit off or even totally wrong. Nowadays special "glyph" fonts are commonly used and Mobile Dyslexic tries to take such cases into account and not forcing dyslexic font over them. In case you notice some glyph font being replaced with dyslexic font, please send feedback!