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unicode-range-split

Split a CJK font in two: the glyphs you use, and the rest

A CJK typeface is megabytes because it covers everything. unicode-range-split splits a font into two files: the characters your site actually uses, and everything else, with no glyph dropped. Ordinary pages fetch the small file; the other waits behind a unicode-range until a page uses a character from it. On its own demo, every page fetches 125 KiB instead of 5,632 KiB. Unlike subsetting, a rare kanji in someone's name still renders in your typeface. Free and open source.

Top comment

Hi Product Hunt! Subsetting a Japanese font to the characters you use today works until someone's name has a kanji nobody wrote before, and then one glyph falls back to a different face. unicode-range-split keeps every glyph but makes ordinary pages fetch only the common ones. The demo site uses the two files it produced; type a rare kanji and watch the second file load. Feedback welcome!

About unicode-range-split on Product Hunt

“Split a CJK font in two: the glyphs you use, and the rest”

unicode-range-split was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #694 on the daily leaderboard. A CJK typeface is megabytes because it covers everything. unicode-range-split splits a font into two files: the characters your site actually uses, and everything else, with no glyph dropped. Ordinary pages fetch the small file; the other waits behind a unicode-range until a page uses a character from it. On its own demo, every page fetches 125 KiB instead of 5,632 KiB. Unlike subsetting, a rare kanji in someone's name still renders in your typeface. Free and open source.

On the analytics side, unicode-range-split competes within Open Source, Typography, Developer Tools and GitHub — topics that collectively have 652.7k followers on Product Hunt. The dashboard above tracks how unicode-range-split performed against the three products that launched closest to it on the same day.

Who hunted unicode-range-split?

unicode-range-split was hunted by piro. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.

For a complete overview of unicode-range-split including community comment highlights and product details, visit the product overview.