@petercodelogic · Naveen Kumar Agrawal
Saved 2026-05-15 · Posted 2026-04-13 · Status: New
Websites can invisibly detect your installed fonts using only CSS, creating a unique fingerprint to track you across browsers, even with VPNs and private mode. This method bypasses JavaScript blockers, revealing your personal font list from apps like Adobe and Office.
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#techexplained #privacy #onlinesecurity #cybersecurity #digitalfootprint
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Comments (15)
Lmao they used the logo of a South African political party (EFF - Economic Freedom Fighters) instead of the Electronic Frontier Foundation
“co-oh-kays” yup you’re getting touched
Brave does this by default as well
Ok so now we need to randomly install and remove fonts ...
Brave is great for fingerprint blocking but it’s really bloated. Librewolf scores the same in privacy and isnt bloated at all. Brave is chromium based and librewolf is firefox based
parkour guy cooking today
Is it possible to create a font with backend to do harm on anything that uses this font system? Like using it to directly attack some website or application, or it just sees the name of the fonts and nothing more? Or maybe do an injection through a font’s name
Wait what? This makes no sense
It's not possible without JavaScript tho, just CSS is not enough.
Age verification (even if set by yourself) that is communicated to the website + this = they don't even need a digital ID, they can track you indirectly.
It’s like whoever makes these videos doesn’t even review them before hitting the publish button 😂
now I gotta install and uninstall random fonts on the daily bruh
Chrome is looking like spyware the more I hear about these.
This is just one of many ways they fingerprint you, another way is with what extensions you have installed (pretty sure), and other things as well, namely device specs operating system and cpu and stuff. There are websites to check how unique your fingerprint is
@effsouthafrica keeping us safe.