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Thanks for this amazing tool!

Question: Is it possible to upload an image and no drop glyphs? It seems as if certain codepoints are automatically turned off when I import my edited PNG.

If not, any hints about which codepoints are not supported on import?



I'm not sure offhand why individual codepoints would not be working on import. Some Qs that could help identify the problem:

  • Are the codepoints that aren't working part of the standard character set, or are you working in a certain extended range?
  • Do the codepoints work when starting from scratch and doing an export + re-import without editing anything?

Without knowing more about this issue, one thing you might be able to try as a workaround is starting out with the characters in a different range that you've confirmed is working for export/re-import, and then remapping them back to your intended range via the font data manually afterwards.


Thank you for the quick and detailed reply! Your suggestions helped me narrow down the issue.

It seems the blue dots in the grid between each glyph (and perhaps the red lines, too?) encode information about which codepoint the associated glyph represents. I must have accidentally overridden a few of these during my editing.

Now that I’ve replaced the grid with a copy from the original I’m able to import without any issue. ✅

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the importing a file picture does not work :(

Are you using Firefox? I tested just now in both Chrome and Firefox: Chrome is working fine, but Firefox has an issue if you don't strip the colour profile before uploading.

no, i am on a chromebook (my other computer is updating) does the PICO8 font work? that might be my problem!

oh, you have to use a very specific image layout for this to work: if you want to use the PICO-8 font, you'll need to first make a template in Fontsy with the intended width/height/character set, then copy the characters over from your PICO-8 image and re-import it (there's important data encoded into the grid borders of the layout Fontsy uses that tells it how to parse the characters)

ok, thanks!

I mapped out some of the PICO-8 monospaced font, but only the 3x5 characters from the exclamation point onward. I'm sure you could expand on it tho!