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Firefox has a "Zoom Text Only" setting, if the width of a webpage is just right, but the text is too small. IIRC, this used to be normal in web browsers… not anymore.
Is it possible to do this in Chrome?
I am aware of the Font Size Increase extension, but it's not customizable, and the reviews are bad.
So far, all I could find was this extension for Firefox that lets you block images, and this extension for Chrome that lets you block images and other content.
(There may also be a userscript, but I have yet to locate any generic one, but there is one specifically for Wikipedia.)
Several months ago, I requested a button/method to make toggling content easier, and it turns out that a month earlier, work was started on a way to create an API to allow extensions to do exactly this, so if you can wait, one day there will be an extension that can do specifically what you want.
For April Fool’s day 2011, Google released a Chrome extension called ChromeLite which while meant as a joke, actually does display most websites in text-mode. Since then, others have created similar extensions like Text Mode and Text Only, Please!.
Internet Explorer has always had this functionality, called Text Size.
It's separate from the zoom function and only has 5 options, but is more or less what you are looking for.
Best Answer
There’s an extension for chrome called Zoom Text Only which changes the size of only text, and preserves image sizes and webpage layout.
It adds the following hotkeys to zoom (only text):
It leaves all of Chrome’s regular zooming functionality alone, so the following hotkeys still work as before:
It changes all the fonts on a page without changing the website’s spacing, as seen below.
As a plus for anyone who might be interested, there’s even a link to the source-code on GitHub from the extension’s Chrome Web Store page.
Before:
After: