Before submitting a bug, please consider the following :

This is a free tool built on my free time. Be kind & try to give as much detail as possible.

Some fonts are not correctly rendered. This is a know issue due to 3rd party library used by this tool.

Please don't open issue about some characters of a font not rendering correctly (unless you're sure this is not a "normal" issue), just try to find an alternative font.

Not all emojis are correctly rendered. this is a know issue due to 3rd party library used by this tool.

You can try to use another version of the same emoji, for example, use 🤍 instead of ❤️.

Please don't open issue about a single emoji not rendering as expected.

If you have knowledge about Three.js and/or How SVG works, please take a look at this Three.js issue.

Please submit issue on Github
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