Copyleaks Plagiarism Checker
Proving Originality. Promoting Integrity. Preventing Plagiarism. And Protecting YOU.·copyleaks.com
Copyleaks Plagiarism Checker is a cloud-based tool that scans text, source code, and images against a database of over 60 trillion websites, 16,000+ open-access journals, and millions of internal documents to detect plagiarism in more than 100 languages. It also flags paraphrasing, character manipulation, and cross-language translated content, and can extract text from scanned or handwritten images via OCR for comparison. It is offered as part of a broader Copyleaks content-integrity platform that also includes AI text/image/video detection, a Grammar Checker, and content moderation, with a browser extension and Google Docs add-on for scanning inside existing workflows.
What it's for
Features 19
- AI image detection
- AI Logic explainability feature
- AI text detection in 30+ languages
- AI video detection
- AI-based plagiarism detection in 100+ languages
- Analytics dashboard
- API integration
- Browser extension (Chrome, Edge, Firefox)
- Citation checker
- Content/text moderation
- Cross-language translation detection
- Deepfake detection
- Google Docs add-on
- Grammar checker
- Image-to-text OCR for scanning handwritten submissions
- LMS integration
- Shared Data Hub access
- Source code plagiarism detection
- Website/sitemap scanning
At a glance
Integrations
Complianceself-reported
Resources
Pricing
Personal and Pro plans are subscription-based with a monthly credit allowance (1 credit = up to 250 words or 1 image). Enterprise and Education plans are custom-quoted based on organization size and needs; contact sales for pricing.
1 credit = up to 250 words or 1 image.
100 unified credits/month: scan up to 25,000 words or 100 images (1,200 credits/year when billed annually)
Additional seats can be purchased separately.
1,000 unified credits/month: scan up to 250,000 words or 1,000 images (12,000 credits/year when billed annually)
Custom pricing; contact sales.
Custom scan volume determined during onboarding
Custom pricing; contact sales.
Pricing based on number of full-time students at the institution
Save up to 25% when billed annually.