On macOS, it is possible to increase the text size of a webpage using the ⌘+ or ⌘- gestures. This even works on Chrome on macOS, as well as many other browsers. Is it possible to do something like this on iOS Safari, or iOS in general?
iOS Safari – How to Increase Text Size on iOS Safari
iossafariweb-browser
Best Answer
New Answer: Base on this and this
Increase Text Size:
javascript:var%20p=document.getElementsByTagName('*');for(i=0;i%3Cp.length;i++)%7Bif(p%5Bi%5D.style.fontSize)%7Bvar%20s=parseInt(p%5Bi%5D.style.fontSize.replace(%22px%22,%22%22));%7Delse%7Bvar%20s=12;%7Ds+=2;p%5Bi%5D.style.fontSize=s+%22px%22%7D
Decrease Text Size
javascript:var%20p=document.getElementsByTagName('*');for(i=0;i%3Cp.length;i++)%7Bif(p%5Bi%5D.style.fontSize)%7Bvar%20s=parseInt(p%5Bi%5D.style.fontSize.replace(%22px%22,%22%22));%7Delse%7Bvar%20s=12;%7Ds-=2;p%5Bi%5D.style.fontSize=s+%22px%22%7D
Old Answer:
From this article
Although this does not change the text size, you can pinch and zoom.
Lastly, you can change the font size. Although this will not help with Safari it will increase text size in other apps.