Clipboard Cleaner
Clean invisible characters, broken line breaks and full-width/half-width (CJK) inconsistencies from copied text.
Text is never sent to a server. Everything is processed in your browser.
What is this tool?
A free clipboard cleaner. Paste text copied from PDFs, web pages or AI chats and get a cleaned version instantly — with a breakdown of exactly what was fixed.
How to use
- Paste text, or read it directly from your clipboard.
- Pick a preset (PDF copy / AI chat) or toggle individual rules.
- Copy the cleaned result.
Use cases
- Fixing line breaks and hyphenation when quoting from PDFs.
- Removing invisible characters from AI chat output before publishing.
- Normalizing full-width/half-width (CJK) characters in Japanese text.
Notes
- Your rule choices are remembered in this browser; text itself is never stored.
- All processing happens locally in your browser.
FAQ
What kinds of problems does it fix?
Invisible characters (zero-width spaces, bidi controls), broken line breaks from PDF copies, hyphenated words split across lines, smart quotes, Markdown leftovers, and full-width/half-width (CJK) inconsistencies.
What are the PDF and AI chat presets?
The PDF preset fixes typical copy-paste artifacts from PDFs (line breaks, hyphenation). The AI chat preset removes invisible characters and Markdown markers common in chatbot output.
Is my text sent anywhere?
No. Cleaning runs entirely in your browser. Only your option choices are saved locally (in this browser) for convenience.
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