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Plagiarisma
71-75 Shelton St, London WC2H 9JQ, United Kingdom
What it is
Plagiarisma is an originality checker that scans text against web sources, books, and academic papers. Users can paste text, check a URL, or upload documents in formats including PDF, DOCX, RTF, TXT, HTML, PPTX, XLSX, XLS, FB2, ODT, EPUB, and DOC. Its homepage says the checker supports more than 190 languages. Plagiarisma offers a free plan on the web, along with a Windows desktop download listed as version 2.0 for .NET on Windows x86/x64. The desktop page lists plagiarism scanning, an AI content detector, paraphrasing, and APA citation generation. A Google Docs add-on offers plagiarism checking, paraphrasing, summarizing, and AI detection; its listing allows five free scans per day, with paid features by monthly subscription. The company says it does not store private texts in public databases. Its FAQ says premium membership orders are refundable within three days of purchase, while trial orders are not refundable. The homepage describes students, bloggers, and freelance writers as intended users.
For and against
For
- Accepts pasted text, URLs, and document uploads.
- Supports more than 190 languages, according to its homepage.
- Windows desktop tools include an APA citation generator.
- Google Docs add-on allows five free scans daily.
Against
- Google Docs add-on limits free scans to five per day.
- Trial orders are not refundable.
- Windows desktop download is listed as version 2.0.
The verdict
Plagiarisma combines web-based originality checking with a Windows desktop version and a Google Docs add-on. The add-on's free scans are limited to five per day, and trial orders are not refundable.
Who it suits
Plagiarisma may suit students, bloggers, and freelance writers checking text for originality. Its web checker accepts pasted text, URLs, and a range of document uploads.
Plans and prices
Standard checks
Paste text, upload files, or check a URL · standard checks
Read 15 Oct 2026 · plagiarisma.net
One-day subscription
Pricing reported by independent review
Read 15 Oct 2026 · plagiarismchecker.net
One-month subscription
Pricing reported by independent review
Read 15 Oct 2026 · plagiarismchecker.net
Three-month subscription
Pricing reported by independent review
Read 15 Oct 2026 · plagiarismchecker.net
Six-month subscription
Pricing reported by independent review
Read 15 Oct 2026 · plagiarismchecker.net
One-year subscription
Pricing reported by independent review
Read 15 Oct 2026 · plagiarismchecker.net
Plagiarisma Desktop Plagiarism Checker
Free · Windows 11, 10, 8.1, 8, 7
Read 30 Sep 2026 · plagiarisma.net
Paid features
Free scans up to 5 documents per day · paid features
Read 15 Oct 2026 · workspace.google.com
On the record
- Add-on free limit
- The Marketplace listing says users can scan documents five times per day for free, with paid features available by monthly subscription.workspace.google.com · read 30 Sep 2026
- AI detector
- The site provides a separate detector that estimates whether text resembles model-generated writing.plagiarisma.net · read 15 Oct 2026
- Android features
- The Android listing says the app converts numerous document formats, saves results as HTML/PDF/EPUB, supports Google Voice, and can install to an SD card.play.google.com · read 15 Oct 2026
- Chat tool
- Plagiarisma provides a free chat assistant without requiring a paid OpenAI account.plagiarisma.net · read 15 Oct 2026
- Chrome extension API use
- The Chrome listing instructs users to obtain an API key from the Plagiarisma members area to authorize the extension.chromewebstore.google.com · read 15 Oct 2026
- Chrome rating
- The Chrome Web Store listing shows 3.0 out of 5 from 2 ratings.chromewebstore.google.com · read 15 Oct 2026
- Citation tool
- The APA Citation Generator is described as following APA 7 formatting patterns.plagiarisma.net · read 15 Oct 2026
- Company controller
- The UK company-data listing names Yevgeniy Yekimov as the person with significant control.ukbizdb.co.uk · read 15 Oct 2026
- Company record
- A UK company-data listing gives Plagiarisma Ltd. company number 10976393, incorporation date 22 September 2017, and a dormant-company SIC code.ukbizdb.co.uk · read 15 Oct 2026
- Company registration
- The official site identifies the operator as Plagiarisma Ltd., formed in 2010, with a registered office at 71-75 Shelton Street, London.plagiarisma.net · read 15 Oct 2026
- Data handling
- The company says standard-check submissions are not added to a public database or shared with other users.plagiarisma.net · read 15 Oct 2026
- Desktop features
- The Windows desktop page lists plagiarism scanning, an AI content detector, an AI paraphrasing tool, and an APA citation generator.plagiarisma.net · read 30 Sep 2026
- Desktop version
- The listed desktop download is version 2.0 for .NET on Windows x86/x64.plagiarisma.net · read 30 Sep 2026
- File formats
- Supported uploads include PDF, DOCX, RTF, TXT, HTML, PPTX, XLSX, XLS, FB2, ODT, EPUB, and MS Word DOC.plagiarisma.net · read 30 Sep 2026
- Google Docs integration
- The Google Workspace Marketplace listing describes a Docs add-on with plagiarism checking, paraphrasing, summarizing, and AI detection.workspace.google.com · read 30 Sep 2026
- Google Play rating
- The Android app is rated 3.4 out of 5 from 11.5K reviews and has 1M+ downloads.play.google.com · read 15 Oct 2026
- Google Workspace integration
- The Google Workspace Marketplace listing provides a Docs add-on combining plagiarism checking, paraphrasing, summarization, and AI detection.workspace.google.com · read 15 Oct 2026
- Grammar checker
- The product includes a grammar checker for spelling, punctuation, grammatical, and stylistic issues.plagiarisma.net · read 15 Oct 2026
