Paraphraser.io
Free online tool that scans your text against online sources to detect plagiarism and provide a detailed originality report.
| What is it | Free online tool that scans your text against online sources to detect plagiarism and provide a detailed originality report. |
|---|---|
| Pricing | Paid — from $499/mo |
| Free tier | No |
| Platform | Web Application |
| Best for | checking academic papers for plagiarism, verifying blog content originality |
| Domain registered | 2020 |
Data updated Aug. 1, 2026
What does Paraphraser.io do?
Paraphraser.io's Plagiarism Checker is a straightforward web tool that scans any text you provide—by pasting, uploading a file, or entering a URL—against a vast database of online sources. It identifies duplicated content and provides a detailed report showing what percentage is original versus plagiarized, with highlighted matches and links to the original sources. It’s designed to be a quick first line of defense for checking the uniqueness of your work.
The tool stands out for its commitment to being completely free for basic use (up to 1000 words), its support for over 20 languages, and its strong privacy policy that states it does not store or share your uploaded text. It’s not just a simple similarity detector; it provides a structured, list-wise breakdown of results, ranking sources by relevance to make it easy to see where problems lie. For longer documents, a 'Pro' version is available to check up to 30,000 words.
This tool is a perfect fit for students double-checking essays, bloggers verifying the originality of their posts, and professionals ensuring their reports or marketing copy are unique. It’s a practical, no-fuss utility for anyone who writes and needs the peace of mind that comes with knowing their work is their own, all without needing to create an account or pay a fee.
Key features
What makes it stand outWho is Paraphraser.io for?
Who benefits most from this toolPricing
DIAMOND
- 3 modes
- 0.0004 word cost
- 30 validity days
- 1,200,000 words allowed
- 5,000 paraphrase limit
- 5,000 plagiarism limit
- AI-Based Article Paraphrasing
- All Modes Supported (Word Changer, Fluency, Standard, Creative)
- Use Same API on Multiple platforms
- No Data Storage to our Database
- Easy to configure
- 24/7 Support
- User Dashboard
- Languages support
- No Ads/Recaptcha
- API access
PLATINIUM
- 3 modes
- 0.0005 word cost
- 365 validity days
- 330,000 words allowed
- 3,000 paraphrase limit
- 3,000 plagiarism limit
- AI-Based Article Paraphrasing
- All Modes Supported (Word Changer, Fluency, Standard, Creative)
- Use Same API on Multiple platforms
- No Data Storage to our Database
- Easy to configure
- 24/7 Support
- User Dashboard
- Languages support
- No Ads/Recaptcha
- API access
ENTERPRISE
- 3 modes
- 0.0003 word cost
- 365 validity days
- 3,000,000 words allowed
- 10,000 paraphrase limit
- 6,000 plagiarism limit
- AI-Based Article Paraphrasing
- All Modes Supported (Word Changer, Fluency, Standard, Creative)
- Use Same API on Multiple platforms
- No Data Storage to our Database
- Easy to configure
- 24/7 Support
- User Dashboard
- Languages support
- No Ads/Recaptcha
- API access
Trust & presence
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