AI Detector Writer

AI Detector Writer is a web-based tool for checking whether text appears human-written or AI-generated. It supports pasted text and file uploads, and it presents results as percentages with sentence-level highlighting.

AI偵測工具

AI內容偵測器

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What it is

AI Detector Writer is a web-based AI content detector that analyzes pasted text or uploaded files to estimate how much of a document appears human-written versus AI-generated. The homepage presents it as a free tool with real-time results and no stated usage limits.

The site says users can paste text, upload `.txt`, `.md`, or `.csv` files, or submit multiple files for batch checking. It also claims sentence-level highlighting, PDF report generation, and support for multiple languages, making the tool useful for quick review of articles, assignments, and other text before publication.

Core features

Text paste and file upload

Users can paste text directly into the detector or upload `.txt`, `.md`, or `.csv` files for analysis.

Batch file upload

The page says multiple files can be uploaded at once and checked in the dashboard.

Sentence-level highlighting

Results are described as showing AI-written sentences with a gauge for the proportion of AI contribution in the text.

High-precision model

The homepage says the detector uses an advanced premium model trained in all languages for accurate results.

PDF report generation

The site says each detection can generate a PDF report.

Multilingual detection

The homepage states the tool supports all languages.

Common use cases

Pre-publication content review
Check articles, blog drafts, and marketing copy before publishing to see whether the text appears AI-generated and where the detector flags it.
Batch screening of documents
Upload multiple documents at once when you need to review a batch of files in the dashboard instead of checking them one by one.
Academic writing review
Use the detector on classroom or research writing when you want a quick AI-versus-human readout and sentence-level flags.
Multilingual text checking
Paste multilingual content when you need a detector that claims support for all languages rather than only English.

Pros and Cons

Pros

Supports pasted text and several common file types.
Offers batch upload for checking multiple files.
Shows sentence-level highlighting and AI contribution guidance.
Describes real-time results.
States that it supports multiple languages.

Cons

The pricing page is unavailable, so paid plans or usage limits are not confirmed.
The site provides limited technical detail about how detection scores are calculated.

FAQ

How do I use the AI content detector?

The site describes it as a free AI content detector that lets you paste text or upload `.txt`, `.md`, or `.csv` files for analysis. It is presented as a web tool rather than a local app.

What kind of results does it return?

The homepage says the detector provides a percentage split between human-written and AI-generated content, and it can highlight AI-written sentences. It also says results appear in real time.

Does it support languages other than English?

The homepage says the tool supports multiple languages and the site text also describes an advanced model trained in all languages.

Which AI systems does it detect?

The site mentions GPT-3, GPT-3.5, GPT-4, GPT-5, OpenAI, and Bard in its homepage copy, but the product page does not provide detailed technical documentation for each model or explain how the detector weighs them.

Is there pricing information available?

The pricing page was not available, so the site content does not confirm any paid tiers, usage caps, or plan differences. The homepage describes the detector as free and without limitations.

Quick Facts

Category: AI content detection
Platform: Web app
Primary input: Pasted text and file uploads
Supported file types: .txt, .md, .csv
Source domain: aidetectorwriter.com
Notable output: Human-vs-AI percentage plus highlighted sentences