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AI Detector Pro — AI for Writing, Translation & Localization

Paste your text to get a probability score on whether it was written by an AI. Includes a detailed sentence-by-sentence analysis.

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Free plan verified · free AI tools for Writers
7.1 Zekai
A guide, not a verdict.
AI for Writing, Translation & Localization
Ease of Use
4.5
Accuracy
2.5
Value
3.5
Time Saving
4.0
AI DetectionText AnalysisEducationWritingContent Creation
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Zekai Verdict

What is it?
AI Detector Pro analyzes text to estimate the likelihood of it being generated by an AI model.
Best for
Educators
Price
Free plan
Zekai Score
7.1/10
Hand-scored by Zekai

Top AI for Writing, Translation & Localization picks

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⚡ Quick answer

AI Detector Pro is an online tool that analyzes a piece of text to estimate the probability that it was written by an AI. You paste your content and it provides an overall percentage score. It also highlights individual sentences that are most likely to be machine-generated.

📖 About AI Detector Pro

AI Detector Pro analyzes text to estimate the likelihood of it being generated by an AI model. You receive an overall score and a color-coded breakdown of individual sentences, helping you identify which parts seem most machine-like.

How It Works

Your workflow, automated

1
Copy Your Text
Select and copy the text you want to analyze, up to 800 words for the free version.
2
Paste and Analyze
Paste the text into the input box on the website and click the 'Check for AI' button.
3
Review the Report
Examine the overall AI probability score and the sentence-by-sentence color-coded analysis.
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Real Impact

Before & After

❌ Before

Unsure if a submitted text is original or AI-generated.

Manual suspicion
✅ After

Get a probability score to guide your assessment of a text's origin.

Data-informed check
AI Prompts

Prompts for Writers

Prompt 01 Contextual Translation Prompt for an LLM
You are an expert translator specializing in marketing copy for the German fintech industry. Translate the following English text into German. **Source Text:** "Our new savings account helps you grow your wealth effortlessly. Enjoy competit…
Prompt 02 Style & Clarity Editing Prompt
Review the following text. My goal is to make it [**Objective: e.g., more persuasive, easier to understand, more engaging**]. The target audience is [**Audience: e.g., busy executives, software developers, potential customers**], and the de…
Prompt 03 The Angle Finder
[Your Goal, e.g., 'drive newsletter signups' or 'establish thought leadership']
See all 27 AI prompts for Writers →
Social Proof

Trusted by professionals

Ease of Use
4.5
Accuracy
2.5
Value
3.5
Time Saving
4.0
The decision

Is AI Detector Pro worth it?

Built for
Educators, content managers, editors, writers, and students.
Effort to adopt
Beginner
Who It's For

Why Writing, Translation & Localization choose this tool

🎯
Built for
Educators
In-Depth Overview
When you need a quick assessment of a text's origin, AI Detector Pro provides a straightforward solution. You simply copy and paste your content into the tool to receive an overall probability score, indicating the chance it was written by AI. The key feature is its detailed report, which goes beyond a single number. It highlights individual sentences, color-coding them based on their calculated likelihood of being machine-generated. This allows you to focus your attention on specific parts of the text that appear suspect. This tool is designed for anyone who handles text and is concerned about authenticity, such as educators reviewing student papers or content managers checking freelance submissions. By giving you a granular, sentence-level view, it helps you form a more informed opinion. However, it is critical to understand that this technology is not perfect. The results are probabilistic, not definitive. False positives, where human writing is incorrectly flagged as AI, are a known issue and can disproportionately affect people writing in a second language. Therefore, you should use the score as one piece of information in a larger review process, never as the sole basis for accusing someone of misconduct.

Key Use Cases

🎯
Educator
📋
✓ Pros
• Simple, copy-paste interface is easy to use.
• Free to use for basic checks without an account.
• Sentence highlighting helps pinpoint specific areas of concern.
• Provides a clear, percentage-based overall score.
• Generates a shareable report of the analysis.
· Cons
• Detection is probabilistic and can produce false positives on human writing.
• Results can be biased against non-native English speakers.
• A score should never be the sole basis for academic or professional penalties.
• Free version is limited to 800 words per check.
⚡ Editorial Verdict

AI Detector Pro offers a quick, simple interface for checking text, with its sentence-level highlighting being a helpful feature for detailed analysis. However, like all AI detectors, its results are probabilistic and should not be treated as definitive proof. False positives on human writing are a known issue, so use its score as a guide, not a verdict.

Questions & Answers

Frequently asked questions

What does a high AI score mean?

+
A high score indicates a strong probability that the text was generated by an AI model. It is not definitive proof. You should use this score as a starting point for further investigation, not as a final conclusion.

Last reviewed:

Plans & Pricing

AI Detector Pro pricing and plans

Prices and features are updated regularly but can change at any time — always confirm on the official website. Some links on this page are affiliate links.

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AI Directory

About AI Detector Pro

Full Description

AI Detector Pro analyzes text to estimate the likelihood of it being generated by an AI model. You receive an overall score and a color-coded breakdown of individual sentences, helping you identify which parts seem most machine-like.

Editorial Verdict

AI Detector Pro offers a quick, simple interface for checking text, with its sentence-level highlighting being a helpful feature for detailed analysis. However, like all AI detectors, its results are probabilistic and should not be treated as definitive proof. False positives on human writing are a known issue, so use its score as a guide, not a verdict.

Last reviewed:
Disclaimer
Zekai is an independent AI tools directory. We are not affiliated with, endorsed by, or officially connected to AI Detector Pro unless clearly stated. All product names, logos, and brands are the property of their respective owners and are used for identification purposes only. The information on this page — including pricing, features, and availability — is general information, may have changed since our last review, and is not professional advice. Zekai Scores and verdicts are our editorial opinion. Some outbound links are affiliate links that may earn us a commission at no extra cost to you. Spotted outdated or incorrect information? Request a correction →
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