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Markdown Formatter (VS Code-Friendly Cleanup)

Paste Markdown you wrote in VS Code and clean it up fast: consistent heading spacing, normalized blank lines, and optional trailing-space trimming (without touching fenced code blocks). Runs locally in your browser.

Category: Text · URL: /tools/markdown-formatter-vscode.html
Notes: Fenced code blocks (``` or ~~~) are preserved. This is a lightweight formatter—not a full Markdown linter.
Privacy: runs locally in your browser. No uploads, no tracking scripts.

How to use

Use it as a quick VS Code-friendly cleanup pass before committing or publishing.

  1. Paste your Markdown into the input box.
  2. Choose the formatting options (defaults match common lint/format expectations).
  3. Click Format.
  4. Copy the formatted output back into VS Code.
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Secondary intents covered: Format Markdown pasted from VS Code without installing an extension, Fix missing space after # in ATX headings, Collapse multiple blank lines to a single blank line, Trim trailing spaces outside fenced code blocks, Normalize Windows/Mac newlines to LF, Copy formatted Markdown back into VS Code quickly, Keep fenced code blocks unchanged while cleaning surrounding text, Ensure files end with a final newline for clean diffs

FAQ

Is this the same as VS Code’s built-in Markdown formatter?

No. It applies a small set of VS Code-friendly cleanup rules (headings/blank lines/trailing spaces) and avoids changing fenced code blocks.

Will it modify content inside ``` fenced code blocks?

No. Lines inside fenced code blocks are left unchanged, including trailing spaces.

Does it remove trailing spaces everywhere?

By default it trims trailing spaces only outside fenced code blocks. You can turn that option off.

What happens to multiple blank lines?

If enabled, multiple consecutive blank lines outside code fences are collapsed to a single blank line.

Does it change list markers or wrap lines?

No. It focuses on whitespace and headings to keep changes predictable.

Is my Markdown uploaded to a server?

No. Formatting runs locally in your browser and does not use network requests.

Can it help reduce noisy diffs in Git?

Yes. Normalizing newlines, trailing spaces, and heading spacing typically makes diffs cleaner.