Em Dash Remover

An em dash is the long dash character (—) commonly used in formal writing to separate clauses or add emphasis. AI writing tools like ChatGPT, Claude, and Gemini tend to overuse em dashes in their output, making them one of the most recognizable signs of AI-generated text. Removing or replacing em dashes helps your text appear more natural and avoids the telltale AI writing style.

Simply paste your ChatGPT output into the text box above. The tool replaces every em dash with a comma by default, so "clear—the model" becomes "clear, the model" rather than the compound word "clear-the". A dash at the end of a line or before other punctuation is simply removed. You can also choose to replace them with hyphens or spaces, or remove them entirely, using the dropdown menu. The cleaned text appears instantly in the output panel, ready to copy.

Large language models like ChatGPT are trained on professionally edited content such as books, articles, and publications where em dashes are standard punctuation. As a result, AI models reproduce this style far more frequently than most people write naturally. The overuse of em dashes has become one of the most discussed indicators of AI-generated content, prompting many users to clean their text before publishing.

These three dash characters look similar but serve different purposes:

• Em dash (—) - The longest dash, used to separate clauses or add parenthetical statements. This is the character most overused by AI tools.
• En dash (–) - A medium-length dash, typically used for ranges like "2020–2025" or "pages 10–20".
• Hyphen (-) - The shortest dash, used in compound words like "well-known" or "up-to-date".

This tool replaces em dashes, and en dashes too unless you turn that off in the settings. An en dash between two numbers or words, as in a range, becomes a hyphen; a spaced en dash used in place of an em dash is replaced the same way as an em dash.

Yes. In addition to em dashes, the tool offers several optional cleanup features:

• Smart quotes - Replace curly quotes (“ ” ‘ ’) with straight quotes (" ')
• En dashes - Replace en dashes (–) with hyphens
• Ellipsis character - Replace the single ellipsis character (…) with three dots (...)
• Non-breaking spaces - Replace non-breaking spaces with regular spaces
• Zero-width characters - Remove invisible characters sometimes embedded in AI-generated or web-copied text

Enable these options using the checkboxes in the settings panel to clean up all common AI and word processor artifacts at once.

Absolutely. While ChatGPT is the most well-known for overusing em dashes, other AI writing tools including Claude, Gemini, Copilot, and Perplexity also produce text with em dashes and similar typographic characters. This tool works with text from any source, whether it's AI-generated, copied from Microsoft Word, Google Docs, or any website.

The best replacement depends on context:

• Hyphen (-) - The most common choice. Works in most situations and is the default option.
• Comma (,) - Good when the em dash is used as a pause or to separate clauses in a sentence.
• Space - Useful when you simply want to join the words on either side.
• Nothing (remove) - Best when the em dash appears at the start of a line or between characters with no spacing.

Word processors like Microsoft Word and Google Docs automatically convert straight quotes to curly "smart" quotes and hyphens to em dashes as you type. When you paste this text into code editors, databases, email templates, or plain text fields, these special characters can cause display issues or encoding errors. Use this tool to convert everything back to plain ASCII characters by enabling the em dash replacement, smart quotes, and non-breaking space options.

You might also find these tools helpful for cleaning and formatting your text:

• Remove Text Formatting - Strip all styles, fonts, and special characters from text
• Remove Letters & Characters - Remove specific characters from your text
• Plain Text Converter - Convert rich text to plain text
• Find and Replace - Search and replace any text pattern
• Text Case Converter - Change text between uppercase, lowercase, and other formats