Is this tool suitable for professional academic integrity proceedings?

FixTools provides a useful first-pass assessment, but institutional proceedings typically require tools like Turnitin with documented chain-of-custody. Use FixTools for initial screening and document results for any formal process.

What AI probability score should concern a teacher?

Scores above 70–80% are a strong indicator of AI-generated content. Scores in the 40–70% range may indicate heavily edited AI text or a student who writes in a formal style. Always combine scores with your knowledge of the student.

Can a student successfully dispute a high AI score?

Yes. AI detection is probabilistic, not definitive. A student could show you their drafts, research notes, or provide a verbal explanation of their work. Context always matters.

How do I handle false positives?

If a student you trust scores high, consider asking them to walk you through their process or complete a brief in-class writing exercise on the same topic for comparison.

Should I disclose to students that I am using AI detection?

Many educators recommend being transparent about AI detection as a deterrent. Including a statement in your syllabus about AI tool policies and detection practices is considered best practice.

Browse tools

Free · Fast · Privacy-first

AI Text Detector for Teachers

As AI writing tools become more accessible to students, educators need reliable, easy-to-use detection to maintain classroom integrity. FixTools AI Text Detector helps teachers quickly identify AI-generated submissions — free, with no institutional subscription required.

⚡ Use Tool Now How it works

Cost: Free forever
Sign-up: Not required
Processing: In your browser
Privacy: Files stay local

⚡

No institutional license required

🔒

Check multiple assignments in minutes

✨

Highlights specific AI-probable sentences

AI Tool

AI Content Detector

All processing happens in your browser — your files are never uploaded to any server.

🚀Open AI Content Detector

100% Free · No account · Works on any device

How to use this tool

💡

Paste each student submission individually. The tool returns an overall AI probability score and highlights the sentences most likely to be AI-generated.

How It Works

Step-by-step guide to ai text detector for teachers:

1
Collect the student submission
Copy and paste the student's essay or assignment text from your LMS, email, or document.
2
Paste into the AI detector
Open FixTools AI Content Detector and paste the submission into the input field.
3
Review the AI score and flagged sections
Note the overall percentage and which specific sentences are highlighted as AI-probable.
4
Take appropriate follow-up action
Based on the score and your institution's policy, either request a meeting with the student or submit the evidence through your academic integrity process.

Real-world examples

Common situations where this approach makes a real difference:

Essay batch review

A high school English teacher runs end-of-term essays through the detector after noticing several submissions with unusually polished writing inconsistent with prior classwork.

Online course grading

A university professor teaching an asynchronous online course uses the detector to screen discussion post responses that appear too generic and well-structured.

Pre-grading spot check

A teaching assistant reviews a set of assignment submissions before passing them to the course professor, flagging any with high AI scores for closer review.

When to use this guide

Use this when reviewing student assignments to identify potential AI-generated submissions, especially when you notice unusual writing quality, tone, or structure inconsistent with a student's typical work.

Pro tips

Get better results with these expert suggestions:

Establish a baseline for each student

If possible, collect a short in-class writing sample early in the term. Use this baseline to compare against take-home assignments when detection results are borderline.

Document your findings before confronting a student

Screenshot the detection results including the score and flagged passages. Having a record supports any formal academic integrity process your institution may require.

Pair detection with a verbal follow-up

Ask students to explain their argument or describe their research process. Genuine authors can discuss their work; students who submitted AI content typically cannot.