The six that matter most
- U+3164 Hangul Filler Username-safe · 3 bytes
- U+2800 Braille Pattern Blank Username-safe · 3 bytes
- U+200B Zero-Width Space Truly invisible · 3 bytes
- U+200D Zero-Width Joiner Truly invisible · 3 bytes
- U+FEFF Zero-Width No-Break Space Truly invisible · 3 bytes
- U+00A0 No-Break Space Space with width · 2 bytes
Need one of the other thirty characters — the quads, the fillers, the marks? They all live in the main library with one-click copy buttons, grouped by where they work, and the generator repeats any of them up to a thousand times.