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The World's Smallest Legible Font

hasanabbas1987 writes "From the article: 'Well 'technically' they aren't the smallest fonts in the world as if they were you wouldn't be able to read even a single letter, but, you should be able to read the entire paragraph in the picture given above... we did. A Computer science professor called Ken Perlin designed these tiny fonts and you can fit 500 reasonable words in a resolution of 320 x 240 space. There are at the moment the smallest legible fonts in the world.'"

29 of 280 comments (clear)

  1. Declaration of Independence by onefriedrice · · Score: 3, Insightful

    Reading the font is also made easier by virtue of it being a text many of us would recognize. Our minds would fill in the gaps, even if it wasn't completely legible. I suspect it would be harder to read a paragraph with font that small if the text was completely unfamiliar.

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  2. Resolution useless, words/square inch needed by feedayeen · · Score: 2, Insightful

    How many words can fit on the 3 by 5 inch flash card? Equations? Diagrams?

    1. Re:Resolution useless, words/square inch needed by AndrewNeo · · Score: 2, Insightful

      I remember doing that in high school. Teacher said we could put anything on a 3x5" notecard for a math test, so I used Publisher and printed stuff out at font size 4 or so.

    2. Re:Resolution useless, words/square inch needed by harrkev · · Score: 3, Funny

      One time in college, the professor gave out .pdf documents of the class notes. We were allowed to bring three papers with us.

      Well, I had this great software that could print four pages on one piece of paper. and the HP laserjet in the lab could do the same thing -- instant 16 pages on one piece of paper. I even brought a loupe into class to help me read such tiny print. Fun days, good class.

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  3. Comment by MyLongNickName · · Score: 5, Funny

    ts;dr

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  4. Original Source by fotbr · · Score: 5, Informative
    1. Re:Original Source by noidentity · · Score: 2, Informative

      And if you don't want to install Java, there's an image of the text (at least I think this is the same, but the author didn't bother putting any on his site so I can't be sure). Not very readable; I think this could be improved on.

  5. Easy to Test by MyLongNickName · · Score: 2, Insightful

    Just read it backwards, word for word. I have to admit it was a bit harder, but it was still legible for me. Considering that this is maybe three point font, I find it pretty noteworthy.

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    1. Re:Easy to Test by demonbug · · Score: 4, Funny

      Just read it backwards, word for word. I have to admit it was a bit harder, but it was still legible for me. Considering that this is maybe three point font, I find it pretty noteworthy.

      I tried that, but the first word was "exercise" which just turned me off from the whole thing.

  6. Warning! Source article image is a JPEG. by Brit_in_the_USA · · Score: 2, Informative

    If the PNG on the Slashdot article is derived from the linked source article then I am concerned that it may not be representative of the actual research as the source article offers the image as a JPEG - which will almost certainly have degraded the image quality.

  7. Nice, but... what about a, e, and o? by No.+24601 · · Score: 2, Insightful

    That's pretty amazing. Except that the letters a, e, and o are nearly indistinguishable. To prove it is the smallest legible font, one would have to show that a long enough sequence of just the letters a, e and o could be spelled back by a reader. aeoeoaoeoeoaoeoaoeeeoaaaoeoaoa. I doubt it.

    Practically speaking, that would mean a word like onomatopeia would be hard to identify. Of course, the context in which a word shows up probably accounts for more than half of the reason a reader can identify that word so quickly in a sentence.

  8. Re:Legibility by oldspewey · · Score: 5, Funny

    Tilt your head 90 degrees and you should be alright.

    You're welcome.

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  9. Legible partly due to the content? by XxtraLarGe · · Score: 2, Insightful

    I was able to read it pretty well, but I think that was due in no small part to it being familiar content. If it weren't the Declaration of Independence, I probably would have had to strain a bit, so it probably has as much to do with gestalt theory as anything else.

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  10. Flashback to TRS-80 Color Computer days by erroneus · · Score: 3, Interesting

    That looks EXACTLY like the text I was staring at when I was a kid with my CoCo2 running a 72 column display. The fonts were all artifacted and all that. It was tough but it was at least a good thing that I was a kid and capable of dealing with it comfortably. The machine was originally intended to use a 32 column text display, but the 4 color "high res" display was too tempting for some to resist and they decided to write some word processing and desktop software for the thing. It worked...more or less... sorta... intolerable by today's standards but a feat in those days.

  11. Ken Perlin? by kill-1 · · Score: 2, Interesting

    Of Perlin noise fame?

  12. Well-known: you only need 3x5 pix by thisisauniqueid · · Score: 4, Informative

    Did Ken Perlin not come through the 8-bit era? "Everybody knows" you can fit the entire English alphabet comfortably into a 3 pixel wide by 5 pixel high monospaced grid, it's been done hundreds of times. (Proportional can be even smaller, of course.)

    1. Re:Well-known: you only need 3x5 pix by NixieBunny · · Score: 4, Informative

      You can't quite do that, since he's got both upper and lower case. Besides, he's playing with the RGB subpixels, which makes it trickier. Of course, the early computers like Apple ][ pushed the capabilities of NTSC color TV sets to the point that white pixels would pulsate in blue or yellow due to the chroma subcarrier phase shift (look that up), so they were sorta working at the subpixel level.

      I spent a good bit of time designing 5x7 fonts back then, since I was heavily into display hardware back when it took a board full of TTL to make a 256 x 128 pixel text display.

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  13. What about Asian Fonts? by Dracker · · Score: 3, Informative

    One thing I've noticed while studying Japanese is that I need to use a larger font size when reading Japanese than I do when I'm reading English. The characters are just too complex to differentiate at small font sizes. You can't easily distinguish a character with N horizontal lines without the character being 2N-1 pixels tall (one for each stroke, and another for the gap between strokes). There are common characters with as many as 8 horizontal strokes (The kanji for "kaku" for example, which conveniently means to write). Even today's video games (on nintendo DS, for example) have 11x11 pixel Japanese fonts that can be very difficult to read.

    Any reduction in font sizes for readability must have separate standards for Asian characters, or the more complex ones will just appear as blobs.

  14. Re:Legibility by ArsonSmith · · Score: 4, Funny

    now it's all upside down!!

    you are useless to me!!

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  15. Re:Legibility by sholsinger · · Score: 5, Informative

    The problem is that these fonts are designed for LCD displays that are RGBRGB horizontally, not vertically. So rotating any display while using these fonts reduces the legibility due to the sub-pixel optimizations that have been done to make the font legible at it's size.

  16. dissolve the political bunds by Culture20 · · Score: 3, Informative

    Try again. I bet somebody converted to jpg before converting back to png.

  17. Re:Legibility by arth1 · · Score: 2, Insightful

    Even worse, for those who can't read that tiny fonts (whether it is because they have high-DPI displays or just plain bad eyesight), it doesn't help to zoom in on the bitmapped text -- it becomes an illegible mess because it relies on subpixel scaling, which doesn't zoom.

    Anyhow, legibility is in the eye of the beholder. What's the smallest legible font for one person won't be for the next. Which is why we let people choose their own fonts these days.
    The 1990s are calling -- they want their bitmapped fonts back!

  18. Can't read it. by antdude · · Score: 2, Interesting

    My compound eyes were annoyed trying to read them, and I gave up. :(

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  19. Perfect for EULAs. by jcohen · · Score: 2, Funny

    I imagine InstallShield will license these at once for click-through software licenses which need fine print -- really fine print.

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  20. My attempts by KiloByte · · Score: 5, Interesting

    Agree, this is not legible, especially when enlarged. And, here's my font from a good while ago which is not only slightly smaller (or would be if it was variable pitch) but also a good deal more readable. Can be enlarged without loss, too.

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  21. Re:Legibility by Anonymous Coward · · Score: 2, Funny

    OK tilt your head 270 degrees instead.

  22. Re:Legibility by Anonymous Coward · · Score: 5, Funny

    Great! Now I'm dead...

  23. Re:Legibility by supertrinko · · Score: 4, Funny

    Next news story: "Slashdotter snaps someones neck through the internet."

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  24. Re:Legibility by ArsonSmith · · Score: 2, Funny

    Now I'm right back where I started and i think I can puke pea green soup.

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