About

CleanPaste is a set of free, browser-only tools that strip em dashes, markdown, emojis and hidden characters out of AI-generated text before you paste it.

CleanPaste exists because of one recurring annoyance: text that looks fine in ChatGPT, Claude, Gemini or Copilot turns into a mess the moment it lands somewhere else. Bold markers become literal asterisks in Outlook, every third sentence has an em dash, and a stray zero-width space breaks a form validator with no visible cause.

The tools here fix that in one paste. The AI Text Cleaner handles everything at once, and the smaller pages do one job each: turning a markdown table into something Excel understands, joining hard-wrapped lines, stripping emojis, and fixing curly quotes that break code and CSV files.

How it works

Everything runs as plain JavaScript inside your browser tab. There is no server that receives your text, no account, no analytics script, no cookie banner, and no third-party fonts or libraries. The cleaning engine is a single readable file, /cleaner.js, with a Node test suite, so the behaviour is deterministic and checkable rather than a black box.

Who makes it

CleanPaste is built and maintained by a small independent team that ships single-purpose web utilities. We keep the pages free by leaving room for unobtrusive advertising, which is currently switched off. Wrong results and feature requests go through the contact page; a sample of the offending text is the fastest way to get something fixed.

Last updated 2026-09-15. Everything on this page runs in your browser. Nothing you type or upload leaves your device.