# Plagiarism Checker Plus

> Plagiarism Checker Plus is a free writing-integrity platform that checks text for plagiarism and AI-generated content. It scans against billions of web pages, journals, and academic sources, returns a sentence-level similarity report with linked sources, and flags passages likely written by ChatGPT, Claude, Gemini, or Llama. No account is required for a first check, and submitted text is never shared, or used to train AI.

## Tools

- [Plagiarism Checker](https://plagiarismcheckerplus.com/): Scan text against billions of web pages, journals, and academic sources. Returns an originality score, sentence-level highlights, and a linked source list.
- [AI Detector](https://plagiarismcheckerplus.com/ai-detector): Detect whether text was written by ChatGPT, Claude, Gemini, Llama, or other large language models. Returns an overall AI score, per-sentence highlights, and a confidence rating for each flag.
- [Grammar Checker](https://plagiarismcheckerplus.com/grammar-checker): Fix grammar, spelling, and clarity issues.
- [Citation Generator](https://plagiarismcheckerplus.com/citation-generator): Generate references in APA, MLA, Chicago, and Harvard.

## Key facts

- Free first check, no account or card required.
- Combined plagiarism + AI detection in a single scan and one unified report.
- Sentence-level analysis with confidence ratings, not just one overall percentage.
- Privacy: text is processed in real time and not retained after the scan; free scans are not stored.
- AI detection is a probabilistic signal and should never be the sole basis for an academic-integrity decision.
- Multi-language support (English, Spanish, French, German, Portuguese, Italian, Hindi, Arabic, Dutch, Chinese, and more).
- For teachers, students, professionals, publishers, and institutions; bulk upload and API access available.

## More

- [Pricing](https://plagiarismcheckerplus.com/pricing)
- [How detection works](https://plagiarismcheckerplus.com/technology)
- [Plagiarism Checker for Students](https://plagiarismcheckerplus.com/plagiarism-checker-for-students): Guide to checking essays, theses, and assignments for plagiarism before submission.
- [Plagiarism Checker for Teachers](https://plagiarismcheckerplus.com/plagiarism-checker-for-teachers): Guide to checking student work and upholding academic integrity.
- [Contact / API access](https://plagiarismcheckerplus.com/contact)

## Optional

- [Privacy Policy](https://plagiarismcheckerplus.com/privacy)
- [Terms of Service](https://plagiarismcheckerplus.com/terms)
- [Refund Policy](https://plagiarismcheckerplus.com/refund-policy)
- [DMCA Notice & Takedown Policy](https://plagiarismcheckerplus.com/dmca)