Clean Up Markdown Text Online

Fix the damage pasted Markdown picks up: smart quotes, non-breaking spaces, inconsistent list markers and headings stuck to the paragraph above.

Output
How to use
  1. Paste the Markdown that came out wrong.
  2. The cleaned version appears alongside.
  3. Copy the tidied text.
Frequently asked questions
Where does the damage come from?
Pasting through a word processor or a chat client. They substitute curly quotes, insert non-breaking spaces, and turn hyphens into dashes, none of which Markdown expects.
Why do non-breaking spaces matter?
Because they look identical to a normal space and break things that depend on one: list indentation, code fences, and anything that splits on whitespace.
Does it normalise list markers?
Yes. Mixed asterisks, hyphens and plus signs are unified, which matters because some parsers start a new list when the marker changes mid-sequence.
Will it change my actual words?
No. Only the invisible characters and the structural markers are touched, so the prose comes out exactly as you wrote it.
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