Penglab Utilities

Multiline to Oneline

Flatten multiline CLI snippets into a copy-ready one-liner.

Multiline input

One-line output

// One-line output will appear here

Quick guide

What this tool does

Flatten multiline CLI snippets, shell continuations, and markdown-fenced command blocks into a single copy-ready line in the browser.

How to use it

Paste multiline CLI text, choose whether to strip code fences or backslashes, and copy the flattened one-line result.

When this tool is useful

Turn Codex CLI or Claude Code multiline suggestions into a single paste-ready command. Remove trailing shell continuation backslashes before pasting into a terminal or chat. Flatten markdown-fenced CLI snippets into one clean line for docs, tickets, or runbooks.

Common use cases

Turn Codex CLI or Claude

Turn Codex CLI or Claude Code multiline suggestions into a single paste-ready command.

Remove trailing shell continuation backslashes

Remove trailing shell continuation backslashes before pasting into a terminal or chat.

Flatten markdown-fenced CLI snippets into

Flatten markdown-fenced CLI snippets into one clean line for docs, tickets, or runbooks.

Example input and output

Example input

```sh
gh pr create \
  --title "Fix tool docs" \
\ --body-file ./.tmp/pr-body.md
```

Expected output

gh pr create --title "Fix tool docs" --body-file ./.tmp/pr-body.md

FAQ

Does it remove shell continuation backslashes?

Yes. The default mode strips common trailing backslashes used to split long shell commands across lines.

Can it clean markdown code fences too?

Yes. The tool can remove wrapping triple-backtick fences so the output is ready to paste directly into a terminal or chat.

Does Multiline to Oneline run in the browser?

Yes. Multiline to Oneline works in the browser so you can enter data, review the result, and copy the output without needing a separate desktop app.

Related tools

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