Here are a few options you can try:
- Change Windows display scaling This enlarges text across apps, including Chrome tabs. Settings > System > Display > Scale and choose a higher percentage. More info here https://support.microsoft.com/en-us/windows/change-your-screen-resolution-and-layout-in-windows-5effefe3-2eac-e306-0b5d-2073b765876b.
- Adjust Chrome zoom or font settings This won’t directly change tab fonts, but it enlarges page content and some UI elements. Chrome settings > Appearance > Font size or Page zoom.
- Increase system text size (Windows 11) Settings > Accessibility > Text size > Move the slider. More info here : https://support.microsoft.com/en-us/windows/make-text-and-apps-bigger-c3095a80-6edd-4779-9282-623c4d721d64.
Are you using Windows 10 or 11? Can you tell me your screen resolution?