Resource
Prompt Cleanup Examples (Before & After)
A set of before-and-after examples showing exactly what prompt cleanup removes — and what it deliberately leaves alone.
Clean Up a ChatGPT Prompt
Prompts pasted into ChatGPT over time pick up restated rules and politeness. Here is how to declutter them in a few seconds.
Overview
The prompts people reuse in ChatGPT tend to grow: you add a rule after a bad answer, then another, then restate one you forgot you already had. Add the habitual 'please' and 'I want you to' and the prompt is twice the length it needs to be. This resource shows how to clean a ChatGPT prompt — removing duplicates and restated rules, and (in Aggressive mode) stripping the politeness scaffolding that adds nothing for the model.
How to use this resource
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Paste your ChatGPT prompt
Drop in the prompt or custom-instruction block you reuse.
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Run Balanced, then Aggressive
Balanced removes restated rules; Aggressive also strips 'please', 'I want you to', and similar filler. Switch modes to compare instantly.
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Review the report
See how many duplicates and repeated instructions were removed and the resulting reduction.
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Save the cleaned version
Replace your reused prompt with the decluttered one so it doesn't grow back.
Why This Works
- Politeness words are scaffolding for humans, not instructions for the model — removing them loses nothing
- Restated rules compete with each other; one clear version of each rule is followed more reliably
- A reused prompt is worth cleaning once because the savings apply to every future run
Best for
- Reused ChatGPT prompts that grew rule by rule after bad answers
- Custom instructions or saved prompts heavy with politeness phrases
- Prompts where the same rule was added more than once in different words
Not for
- Writing a new ChatGPT prompt from scratch — this cleans an existing one
- Prompts where politeness is the intended content (for example, drafting a polite message)
Use cases
- Decluttering a personal ChatGPT prompt you have reused and edited many times
- Removing politeness scaffolding ('please', 'kindly', 'thank you') that adds no instruction
- Trimming a custom instruction block that has grown past what it needs to be
FAQ
What is the difference between Balanced and Aggressive mode when cleaning a prompt?
Balanced removes restated rules, so the three concise variants ("Keep your responses concise," "Be concise," "Don't be too wordy") collapse to one, while Aggressive additionally strips politeness scaffolding like "please," "I want you to," and "thank you." Prompt Cleaner lets you switch modes to compare instantly, and the report counts how many duplicates and repeated instructions were removed.
Will cleaning strip politeness from a prompt where the polite wording is the point?
That is exactly where not to use it; the notFor calls out prompts where politeness is the intended content, like drafting a polite message. Aggressive mode treats "please" and "kindly" as scaffolding for humans, not instructions for the model, so if the courteous tone is your deliverable rather than filler around instructions, run Balanced or skip the cleanup.
More resources from Prompt Cleaner
Resource
Fix Conflicting Instructions in a Prompt
How to surface contradictions like 'keep it short' and 'be highly detailed' that quietly produce inconsistent AI output.
Resource
Remove Repetition from a Prompt
A worked example of stripping duplicate and restated instructions out of a prompt that says the same thing five different ways.
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Prompt Cleaner
Remove duplicate and redundant instructions, strip noise, and flag contradictions in any prompt.