Plagiarism detector
Plagiarism detector

Plagiarism Detector

No more guesswork. Kira’s Plagiarism Detector helps you scan student work for copied content with high precision and low noise. Fast, accurate, and built for educators, it’s the tool you need to uphold academic integrity without slowing down your workflow.

Precision detection

Uses overlapping 15-word segments to catch exact matches, even subtle rearrangements or rewordings.

Fast and scalable

Designed for daily classroom use, it's fast enough for assignments and reliable enough for high-stakes reviews.

Clear, actionable results

Side-by-side match previews, linkbacks, and transparent logic help teachers act on real data, not false alarms.

What is the Plagiarism Detector?

Kira’s Plagiarism Detector is an AI-powered tool that scans student writing for copied or unoriginal content using a precision-based, multi-step search framework. It delivers fast, focused, and trustworthy results so teachers can protect academic integrity without second-guessing every paragraph.

Scan smarter, not harder

Instead of flagging generic keywords or paraphrased passages, this tool slices writing into overlapping 15-word chunks and runs verbatim searches across the internet. The result? Fewer false positives, more confident decisions.

Built for real classrooms

Designed for real classrooms

From daily assignments to final projects, the Plagiarism Detector scales to meet your needs. Smart match previews and linkbacks make it easy to see what was copied and where it came from.

Seamless Kira integration

The Plagiarism Detector is available as a standalone tool in Kira’s AI tools library, and it’s also embedded directly within Essay QuickGrader. Check work in context, export results, or archive flagged content for records. Use it hand in hand with Kira’s AI Detector, so you can check for plagiarism and AI use all in one go.

FAQs

Frequently Asked Questions

How does the Plagiarism Detector work?

It uses a “15-word window” strategy—breaking text into overlapping segments—and runs exact-match web searches using a two-step search system to increase accuracy.

What kind of plagiarism can it catch?

It detects exact copies, subtle rearrangements, and even reworded phrases that other tools often miss.

Will it flag false positives?

Unlikely. The tool only surfaces high-confidence matches, minimizing the noise that teachers typically have to sift through.

What tools does this replace?

Kira’s Plagiarism Detector replaces tools like Turnitin (AI + Plagiarism Detection), Grammarly (Writing Feedback), & MagicSchool feedback generator (Commenting & Personalization).

Where can I use this tool?

The tool is coming soon!

Is the tool free to use?

Yes! Like all Kira tools, the Plagiarism Detector is completely free to use. Just sign in to get started.

Uphold academic integrity without slowing down

Thousands of teachers trust Kira to make originality checking simple, fast, and reliable.