Mixfont creator develops anti-AI Decoy Font to mask text using optical illusion

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https://www.mixfont.com/experiments/decoy-font

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It’s so inexplicable to me that the anti-AI font was created by an AI company, of all things… Like, clearly if you make something like this, you understand that we’re sick of AI nonsense. And yet!

everything isn’t about you, remy. your opinion will matter when you’re a billionaire.

Damn, you’re right 😝




Obviously, this would only work on images. Otherwise the AI can read the text without the font or the ocr metadata if in PDF format.


This doesn’t really make sense to me. The way text is displayed is for the human reader, but the underlying text is computer (and AI) readable. You can use Wingdings to write your blog, and only the AI will know what you wrote. This seems like a play.



I’d love to know how well it works in practice.



Comments from other communities


This sounds awful for accessibility tools such as screen readers.


Story checks out in Gemini

Gemini says:

The text in the image reads:

TAJS GBNFBNCB JS

WKJIYBN JN BBCDY FONT

…but man does it hurt my eyes to read


Wait, do people think robots use OCR to spy on them? They have access to the actual unicode symbols. They know that an A is an A regardless if it’s displayed as Arial, Times New Roman or Wing Dings. Is there a subculture somewhere that people only communicate through text as images?

It might be useful in some countries where the prevalent unencrypted messaging app is preventively scanning every single image before actually delivering it to the recipient, and silently dropping it if some forbidden keywords are found


Apparently Pifed blocks images with certain text in it lol



I know this has good intentions but this is pretty much an accessibility nightmare


Just looking at the happy human/sorry robot image, it doesn’t work as well if the image is large (at least for me), the outline of the decoy message starts to take visual priority over the real message especially if you don’t know what it is. With no additional context, I definitely read sorry robot on first glance with the image at phone’s width and didn’t realise that’s not the actual message until I read the description. Seems to work when the letters are smaller though.


I feel like this can be easily cracked if you downscale it down to only a few pixels per letter. Then the decoy letters get filtered out and the human letters lose their blur


It’s cool, but it doesn’t work. I love the idea, and I hope there is more to come.

From Boing Boing “Is it useful? No. Does it stop AI from reading it? Also no. But is it cool? Yes, it is very cool.”


Well look at that, it works!!

I’ve found circle to search on android can read both variations depending on how you select the image

Already defeated…


In selection 2, you don’t seem to be selecting an image. You’re selecting text.

In method 1, it’s doing OCR. In method 2, its just reading the raw text data you selected. This is how you can copy text from thing A and Font A, and paste it into thing B with font B (depending on Thing B’s paste settings)



Nice ! I didn’t think the font had a serious purpose before I saw your excellent example..


Here’s the text my phone extracted from that image:

FUCK THE POUXCE

What does this say?

It says “THIN BLUE LINE.”

The word BLUE is split between the second and third lines:

THIN

BLU

ELINE

•••



Edge detection moment



Well, I’m glad that we now have a font that makes it look like I’m not wearing my glasses… when I’m wearing my glasses.


It works at full resolution, but it’s a cat and mouse game. If something like this becomes popular, then all that needs to be done is to start passing images through a filter first (blur, lower resolution, etc.), or just train a new vision model that can pick out both the blurred message as well as the decoy message.

The downloadable font is especially vulnerable since each letter is a straight map, so easily trainable



This is art



Most AI systems work by reading the pixels of an image up close

In the case of text aren’t LLM’s reading actual text ?Whats the usecase here ? For any text I dont want to be readable by ai scrapers and such, I need to use this font and render as image(s)?

This is not for the case of using text, it’s for protecting text in images. The problem with adding invisible text is that LLMs can defeat it by screenshotting and using OCR. This tries to plug that loophole.



Person: does something impressive against AI Comments: it’s bad because it’s not perfect


Top points for effort, but if it’s making it hard to read even 2 words.. I’d rather poison/prompt inject via invisible text and not make any humans cross-eyed trying to read that font

Invisible text doesn’t work for images though, which is what this is specific for. Invisible text is also defeated by taking a screenshot, so if you use this too then you have a chance of defeating both LLMs that read the text as well as those that screenshot and OCR.

Well, then glaze or Nightshade for ocr stuff. Point still stands, why make the experience worse for everyone just because it might get used in AI trainimg




I think this is the first step in an arms race between fonts that can’t be read by computers and systems to differentiate between obfuscated text.


Good luck to the visually impaired and their screen readers.

Screen readers read text directly, the point of this is to be used in images, which screen readers don’t read anyway.

Facedeer is a bad faith troll and AI evangelist, in case anybody is wondering why he’s pretending to care about accessibility.

Ahh, that explains the willful ignorance.

By “bad faith troll and AI evangelist” XLE means “someone I disagree with about this topic, and therefore that I follow around obsessively accusing of being a troll.”

He’s really rather sad that way, I notice that every thread I’ve been in over the past few days with any relation to AI he’s been adding this comment to. Guess he noticed me again. At least he’s stopped calling me a literal bot or accusing me of being “from Reddit” as if that meant something nefarious.




My iPhone reads text from images. I wonder how it’d do with this?

You can take a screenshot or save the image directly. My iPhone reads the blurry text without issue, so this may be more related to LLMs in particular, or of the image is compressed before the analysis, the illusion is broken

Amazon Rekgnition struggles a little more but it’s still reading the blurry text instead of the lines




And if this sort of font became common (and actually kept working) then screen readers never would be able to read these. The point remains that accessibility is being sacrificed for the sake of some kind of general “anti-AI” movement.

There’s no way this will become common. Non-visually impaired people don’t want to read like that either.

Back when generative image AIs first came into general awareness with Dalle-3 and Stable Diffusion and so forth, there was a fad of changing image alt text into deliberately misleading nonsense. Which, of course, was not great for the visually impaired back then either. It was ineffective and short lived, but it’s still pretty annoying seeing people proudly declaring their intent to make things deliberately difficult for people who rely on technology for this kind of stuff. So IMO worth pointing out.





I’m pretty sure they’re not the intended users



This hurts my eyes, I see both at the same time 🤔


Works better if you have crappy vision.


Doesn’t work on a dark background ? The decoy text is invisible..


I think i might be a cylon. 🤖


We can’t be writing like this, fuck AI. We tailor our language to avoid sounding like it, analysis images to tell if it had been generated and now using fonts to avoid scraping. What a toxic, horrible invention. An invention that freely takes from workers, repackages it, and monetizes it all for a small class of capitalists while depriving the majority of its value created.


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