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Simon Willison’s Weblog

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6th April 2026

Tool Cleanup Claude Code Paste — Clean up Claude Code terminal output by removing the ❯ prompt character, fixing whitespace from line wrapping, and joining broken lines into readable paragraphs. Paste your terminal text into the input field and the cleaned output will appear automatically, ready to copy to your clipboard.

Super-niche tool this. I sometimes copy prompts out of the Claude Code terminal app and they come out with a bunch of weird additional whitespace. This tool cleans that up.

Screenshot of a web tool titled "Cleanup Claude Code Paste" with the subtitle "Paste terminal output to remove the ❯ prompt, fix wrapped-line whitespace, and join lines into clean text." An input textarea contains pasted terminal output starting with "❯ Add a -r/--redact option which asks for user approval (after telling it how many replacements will happen and in which files and which lines – standard output basically) and then rewrites the files in that folder to replace all matched secrets with REDACTED. Run tests with 'uv run pytest' and use red/green TDD". Below is a "Cleaned output:" section showing the same text with the ❯ prompt removed and whitespace cleaned up. A blue "Copy to clipboard" button appears at the bottom.

This is a beat by Simon Willison, posted on 6th April 2026.

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