What are the use cases for this prompt?

This prompt can be used for: Proofreading a Text.

What is the difficulty level and which AI tool should I use?

This prompt is intermediate level. It works with chatgpt.

Are there variants of this prompt?

Yes, 3 variants are available: Beginner, Intermediate, Advanced.

✍️RedactionIntermediateChatGPT

ChatGPT Prompt for Proofreading a Text

Text proofreading is one of the most powerful uses of ChatGPT. Whether you are a writer, student, professional, or simply concerned about the quality of your writing, ChatGPT can identify and correct spelling, grammar, conjugation, and syntax errors in seconds. Unlike a standard automatic spell checker, ChatGPT understands the context of your sentences and can detect subtle errors such as complex agreements, incorrect verb tenses, or awkward phrasing. It can also adjust its correction level according to your needs: simple proofreading, stylistic improvement, or complete rewriting for a specific register. The major advantage is its ability to explain each correction, making it a learning tool as well. By structuring your prompt correctly, you will get precise, organized, and immediately usable corrections, while preserving your voice and original writing intent.

Paste in your AI

Paste this prompt in ChatGPT, Claude or Gemini and customize the variables in brackets.

Act as a professional French-speaking proofreader with expertise in French spelling, grammar, conjugation, syntax, and typography. Correct the following text by applying these rules:

Correct all spelling and grammar mistakes
Check agreements (subject-verb, adjectives, past participles)
Correct conjugation and tense consistency
Improve punctuation and typography (non-breaking spaces, French quotation marks)
Flag awkward or ambiguous sentences

For each correction, use this format:

❌ Original version → ✅ Corrected version (error type)

After the corrections, provide:

The complete corrected text, ready to copy
A summary of recurring error types
A score out of 10 evaluating the initial quality of the text

Text to correct:
[PASTE_YOUR_TEXT_HERE]

Personalize this prompt with Léa

Answer 3 questions and Léa tailors the prompt to your situation.

Why this prompt works

This prompt works by assigning a precise expert role (professional proofreader) that activates the model's deep linguistic knowledge. The numbered list of rules forces a systematic and exhaustive analysis rather than a superficial correction. The structured output format with the before/after system ensures traceability of each modification and turns correction into a pedagogical tool.

Use Cases

Proofreading a Text

Variants

Expected Output

You will get a detailed list of each identified error with its correction and the associated error type, followed by the fully corrected text ready to use. The summary of recurring errors will help you identify your weaknesses to progress, while the score out of 10 will give you an objective evaluation of the initial quality of your writing.

Frequently Asked Questions

Can ChatGPT proofread a text as well as a professional human editor?

ChatGPT is excellent at detecting common spelling, grammar, and conjugation mistakes. It rivals human proofreaders on these technical aspects. However, for stylistic nuances, cultural subtleties, or literary texts, a human editor remains superior. The ideal approach is to use ChatGPT as a first-pass proofread to eliminate obvious errors, then have a human review it if the text is intended for an important publication.

What is the maximum length of text I can have proofread in one go?

ChatGPT can handle texts of several thousand words in a single request. However, for best results, it's recommended to submit blocks of 1,000 to 2,000 words at a time. Beyond that, the model may lose accuracy on the later sections. For a long document, break it down into logical sections (chapters, parts) and proofread each section separately, specifying the overall document context.

How can I make sure ChatGPT doesn't alter the meaning or style of my text?

Add an explicit instruction in your prompt like "Preserve my writing style and original intent. Only rephrase if a sentence contains a grammatical or syntactical error." You can also ask ChatGPT to separate mandatory corrections (proven mistakes) from optional suggestions (stylistic improvements) by presenting them in two separate sections. This allows you to maintain full control over your text.