Ragged indentation, mismatched bullets and half-aligned tables make Markdown painful to read in the raw. Beautify it into clean, evenly spaced source — then share the result as a link.
Free, no account, and your text never leaves the browser unless you publish it.
Formatting happens in your browser — nothing is uploaded until you publish.
Markdown is supposed to be readable as plain text. That is the whole idea behind it. But source that has been pasted between three apps, half-written by a chat model and half-edited by hand stops being readable long before it stops rendering: bullets at four different indent levels, a table whose pipes are nowhere near each other, headings crammed against the paragraph above them.
Beautifying it puts the shape back. Every list uses one marker and one indent step, table columns are padded to the same width so you can read the table without rendering it, and blocks get the breathing room the syntax expects. Nothing you wrote changes — only the whitespace and the punctuation that carries the structure.
The second pass is the one that matters for text out of ChatGPT or Claude: it removes the outer ```markdown wrapper, the invisible characters and the stray backslashes that make source look broken even when it renders fine.
Paste the Markdown you want tidied into the left pane.
Keep both passes on to beautify the syntax and strip chat artefacts, or switch either off.
Press Format Markdown and read the ledger underneath to see exactly what was changed.
Copy the result, download it as .md, or publish it as a link you can send.
Marco keeps his team's onboarding notes in a shared Markdown file that four people edit. One writes in Obsidian, one in VS Code, one pastes chunks out of Claude, and one edits it in the GitHub web editor. After a year the file rendered perfectly and was unreadable as text: three different bullet characters, nested items indented with two, three and four spaces in different sections, and a tools table whose columns had drifted so far apart that a row wrapped in his editor.
The problem was that nothing was broken, so nothing flagged it. Reviewing a pull request against that file meant reading a diff where half the changed lines were somebody's editor silently re-indenting a list.
Marco pasted the whole file in and beautified it once. Every list came back on one marker with a single indent step, the tools table came back aligned, and eleven invisible characters that had ridden in with a paste came out. He committed that as a single formatting-only change, and the next pull request against the file had a diff that was entirely content.
No. It changes whitespace, list markers, table padding and blank lines — the punctuation that carries structure. Your words, links, headings and code are untouched, and anything inside a code block is left exactly as you pasted it. The rendered page before and after is the same document.
Yes — that is what the list under the two panes is for. Each rule that fired is named in plain language with a count, so you can see that it unwrapped one code fence, unified six list markers and removed eleven invisible characters, rather than having to diff the two versions yourself to find out what happened.
They come in with a paste. Chat interfaces, word processors and web pages all emit zero-width spaces, byte-order marks and non-breaking spaces that copy along with the visible text. They render as nothing, so you cannot see them, but they can stop a heading or a list from being recognised and they make a search for a word quietly fail. The Clean pass removes them — except the zero-width joiner, which is what holds a multi-person emoji together.
Yes. Everything runs locally in your browser, so there is no upload step and no size limit imposed by a server — a whole README or a year of meeting notes formats in well under a second. The practical limit is your own device, not a quota.
Yes — the Markdown formatter is this same tool under the name developers tend to search for. "Beautify" and "format" describe the same operation on Markdown; use whichever page you landed on.
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