Italic Text Generator
The slanted letters above come from the Mathematical Italic range at U+1D434. They are characters, not a slant applied to a typeface, so the lean travels with them into any field that accepts plain text.
These are characters, not formatting, which is why they survive a paste into a bio. It is also why a screen reader will not read them as ordinary letters, and why some sites refuse them in a name field.
The missing h
Unicode assigned every italic letter except one: lowercase h. Its slot, U+1D455, was left unassigned because the character already existed elsewhere. A generator that simply adds a fixed offset to each letter emits that unassigned codepoint and you get an empty box in the middle of the word. This tool substitutes U+210E instead, whose official name is PLANCK CONSTANT – the italic h used in physics, and the standard stand-in. Given how common h is in English, in the, this, what, right, night, almost anything you type depends on that one borrowed character. It is drawn by a different part of the font, so in some faces it sits at a slightly different weight from its neighbours.
No italic numbers
The italic range has no digits. Type 2026 and 2026 is what comes out, in ordinary numerals, next to slanted letters. If a date or a price needs to match the letters, bold and monospace are among the few styles that carry their own digits.
Bold italic has no hole
The bold italic alphabet at U+1D468 is complete, h included, so if the borrowed h looks wrong to you that row does not have the problem. It is a heavier look, but a consistent one.
What it costs
A screen reader reads these out by their Unicode names rather than as letters, so italic text is decoration only: fine in a bio line, wrong in the substance of a post. It also cannot be found by an ordinary text search, and some sites reject the characters in name fields. Accented letters have no italic form and pass through unchanged. The full set of styles is on the styles page.