The latest chrome version, 54, now sets its appearance to your DPI level in windows. In short, it makes it appear zoomed in as the default DPI is 125%.
http://blog.the-ebook-reader.com/2016/10/21/how-to-fix-google-chromes-large-zoomed-in-ui-after-update/
- Close Chrome
- Right-click on the Google Chrome shortcut or start menu icon (whichever icon you use most) and select properties.
- Enter the following code at the end of the text in the Target field: /high-dpi-support=1 /force-device-scale-factor=1
- Make sure there’s a blank space between the .exe” part and the first forward slash, like shown in the picture above. My target looks like this: “C:\Program Files (x86)\Google\Chrome\Application\chrome.exe” /high-dpi-support=1 /force-device-scale-factor=1
- Startup chrome