Em Dash Remover

Each em dash becomes a comma or a spaced hyphen, whichever you pick under the boxes. This page starts on commas, so "The plan—simple as it was—worked." becomes "The plan, simple as it was, worked." Number ranges like 2023–2024 become 2023-2024 with no spaces, other dash characters become plain hyphens, and curly quotes and the … character are straightened too. If a sentence needs a stronger break, a period or a colon often reads better, so give the result a quick read.

Nobody outside the AI labs knows for sure. A popular theory is that models learned from digitized older books, which used em dashes far more than writing does today. Readers now treat a page full of them as a sign of pasted AI text, even though writers have used them for centuries. Since November 2025, ChatGPT follows a custom instruction not to use them, but it can slip, so cleaning the output is the reliable fix. Read why ChatGPT uses so many em dashes.

No. Cleaning runs in your browser as you type, so your text never reaches Write It and is not stored. It is free, with no sign-up and no limit, and keeps working offline once the page has loaded. Like most websites, the page loads analytics that can see a visit, not what you typed.