AI sanitiser — Text tools

Hidden characters

Unusual spacesNo-break, narrow, thin, hair, em and ideographic spaces become a normal space.

Zero-width charactersZero-width spaces and joiners, word joiners, byte-order marks and soft hyphens. Emoji joiners are kept.

Direction marksLeft-to-right / right-to-left marks and overrides that can reorder how text displays.

Hidden tag textInvisible Unicode “tag” characters that can smuggle a hidden message. Flag emoji are kept.

Stray variation selectorsInvisible selectors that aren’t styling an emoji — another way to hide data in text.

Punctuation

Em dashes —Replaced with the style you pick below.

En dashes –Number ranges become 1-5; dashes between words follow the em dash style.

Look-alike hyphensUnicode hyphen, non-breaking hyphen, figure dash and minus sign become “-”.

Curly quotes“ ” ‘ ’ become " and '.

Ellipsis character… becomes three dots.

Arrows→ ← ⇒ ⇐ ↔ become -> <- => <= <->.

Formatting

Tidy whitespaceTrims line ends, squeezes repeated spaces, and limits blank lines to one.

Bullet symbols•, ◦, ▪ and ‣ at the start of a line become “- ”.

MarkdownRemoves **bold**, _italics_, `code`, # headings, > quotes, --- rules, and turns [links](url) into text.

Rules