AI Output Cleaner: Fix Formatting & Remove AI Tics
AI output cleaner online: fix broken formatting, remove AI tics like repetitive phrases, and unify messy lists from AI responses.
Updated 2026-08-16
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Features
- Em dash normalization: collapse runs of em dashes into a comma, a hyphen, or keep them as-is
- Boilerplate removal: strips common AI openers (Certainly!, Here is…) and closers (Hope this helps, In conclusion…) in English and Chinese
- Over-bold fix: remove **text** and __text__ markers for clean plain text, or keep them for valid Markdown
- List normalization: unifies mixed -, *, 1., and ① markers into one consistent style with aligned indentation
- Broken pipe table repair: realigns messy Markdown tables and normalizes separator rows
- CSV table fix: repairs broken quotes and misplaced line breaks in pasted CSV tables
- Table format recognition: detects Markdown pipe tables and plain-text/CSV tables and keeps each in its correct format
- Choose what to clean: toggle em dashes, boilerplate, bold marks, lists, and tables independently in any combination
- Change statistics: see exactly how many lines were removed and how many replacements each rule made
- Live preview: the cleaned result updates instantly as you type or toggle rules
- Copy or save: one-click copy and .txt download of the cleaned text
How to Use
- 1Paste AI-generated text (ChatGPT, Claude, Gemini…) into the left panel.
- 2Select which rules to apply: em dashes, boilerplate, bold marks, lists, or tables; any combination works.
- 3Choose em dash handling: replace with comma, keep, or convert to hyphens.
- 4Watch the cleaned output appear in the right panel with per-rule change counts.
- 5Clean a ChatGPT reply before pasting it into a document; 'Certainly!' openers and 'Hope this helps' closers disappear.
- 6Paste a messy AI table through the tool before importing into Excel; alignment and broken quotes get fixed.
- 7Unify Markdown lists from multiple collaborators so every item uses the same marker style.
- 8Review the stats bar to see lines removed and replacements made, then copy or save the result.
- 9Verify important content after cleaning; the rules are conservative but automatic.
Frequently Asked Questions
Will cleaning delete important content?
No body text is rewritten. The rules only touch what you check: em dashes, boilerplate openers and closers, bold markers, list markers, and table formatting. Content words and sentences stay exactly as they are. Every change is shown in the stats bar, and you see the result in the output panel before copying; uncheck any rule you don't want.
Why normalize em dashes?
Long runs of em dashes are one of the most frequent AI writing tics. They are not an error in themselves, so the tool lets you choose: replace them with commas, keep them untouched, or convert them to hyphens. In Chinese text they are replaced with 中文逗号 automatically.
Can it fix AI-generated tables?
Yes. Messy Markdown pipe tables get realigned with normalized separator rows, and pasted CSV tables with broken quotes or misplaced line breaks are repaired and re-escaped. The tool also recognizes whether a table is Markdown or plain-text/CSV and outputs it in the same format, so it pastes correctly into documents or Excel.
How is an AI output cleaner different from an AI humanizer?
A humanizer rewrites the language style of the text. This tool only cleans formatting and layout; it never changes wording. Use both if you want: clean the formatting first, then adjust the style separately.
How is this different from an AI writing tics scanner?
A tics scanner detects AI-style phrases and flags them for you; this tool fixes formatting issues directly. They complement each other; run a scan to see which patterns are present, then clean what you want here.
Does it work with Chinese text?
Yes. The boilerplate list includes common Chinese openers and closers (好的、当然、没问题、作为AI、总结一下、以上就是…), and em dash replacement inserts a Chinese comma (，) when the surrounding text is CJK. Table and list rules are language-neutral.
What happens if I remove all bold markers?
The text inside **…** or __…__ stays, only the markers are stripped; the result is plain text. If you are writing a Markdown document where bold is intentional, switch the Bold marks rule to Keep instead of removing them.
Does it affect code blocks?
No. Lines inside fenced code blocks (``` and ~~~) are skipped entirely; em dashes, bold markers, boilerplate, lists, and tables inside code are left untouched. Only text outside code blocks is cleaned.
Why does my text still contain AI patterns after cleaning?
This tool fixes formatting only: em dashes, boilerplate openers/closers, bold markers, list and table structure. Style-level tics such as repeated sentence openers, uniform sentence rhythm, or transition-word repetition are language style, not formatting, and are handled by the AI humanizer tool. Run the cleaner first for layout, then the humanizer for wording.
Can it clean text in languages other than English and Chinese?
Partially. The boilerplate lists (openers and closers) are English and Chinese, so German, French, or Spanish boilerplate will not be recognized. The table, list, em dash, and bold-marker rules are language-neutral and work on any text. For full boilerplate cleanup in other languages, remove those lines manually.
Why does my plain text get treated as a table sometimes?
The table rule is deliberately conservative: it only fires when at least three consecutive lines contain commas with a consistent number of columns, or when quotes are present. Ordinary paragraphs rarely match, but if a section of your text does, just uncheck the Tables rule for that run; everything else still gets cleaned.
How are ordered lists renumbered?
When a list mixes numbered and bullet markers (for example -, 1. and ① together), the block is detected as ordered and every item is renumbered sequentially from 1. Indentation is preserved, so nested sub-lists keep their structure.