AI Detector Writer
AI Detector Writer
AI Detector Writer is a powerful tool designed to maintain true and trustworthy content by detecting AI-generated text.
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About AI Detector Writer
AI Detector Writer is a free web-based AI content detector that analyzes text to estimate how much of it was written by a human versus generated by AI models such as ChatGPT, GPT-4 and Gemini. Users paste text (up to 300,000 characters) or upload .txt, .md or .csv files, and the tool scans the content and returns a percentage breakdown of human-written and AI-generated text.
Results are shown in real time, with each AI-written sentence highlighted and a gauge indicating the proportion of AI contribution. The site also describes batch file upload with checks handled in a dashboard, and automatically generated PDF reports accompanying each detection. According to the site, the tool examines factors such as coherence, sentence structure and language complexity, and supports multiple languages.
The site itself is available in several interface languages, including French, German, Spanish, Arabic and Korean, and also links to related tools such as an AI image detector and an AI chat with PDF feature. It suits writers, editors and others who want to check text for AI involvement before publishing.
Best for
- Writers checking drafts before publishing
- Editors reviewing submitted content
- Multilingual content teams
- Users needing a free AI text check
Pros
- Free to use with a 300,000-character input limit
- Sentence-level highlighting of AI-written text
- Batch file upload and PDF report generation
- Supports multiple languages
Cons
- File upload limited to .txt, .md and .csv formats
Pricing
The site describes the AI content detector as free to use; no paid plans are listed.
AI Detector Writer FAQ
- Is AI Detector Writer free?
- Yes, the site describes its AI content detector as a free tool that analyzes content without limitations.
- What file types can be uploaded?
- Users can upload .txt, .md or .csv files, or paste text manually up to 300,000 characters.
- Which AI models can it detect?
- The site states it detects text from GPT-3, GPT-3.5, GPT-4, GPT-5, OpenAI models, Bard and ChatGPT.
- Does it support languages other than English?
- Yes, the site says the tool supports multiple languages.
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