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PlagiarismSearch
What it is
PlagiarismSearch checks submitted writing against selected web, archived, publication, academic, and organizational sources. Reports identify matching or similar passages, connect them to detected sources, and provide a similarity report. Its AI writing feature gives probability indicators for text and individual passages, highlighting passages for review. The service also lists paper analysis, readability checking, and spelling and grammar checking. A free check covers up to 150 words, while registered users can check up to 300 words daily for free. The maker says its academic database contains over 500 million indexed texts. Integrations include a Moodle plugin, Google Docs add-on, customizable API, and Viber and Telegram bots. The API is presented for high-volume schools, universities, colleges, and publishers. Uploaded documents are not stored, according to the maker, though reports can remain in accounts and be deleted. Plans include $9.95, paid once for one plagiarism and one AI submission, with monthly options from $27.95 a month.
For and against
For
- Checks web and academic sources
- Provides linked passage-level similarity reports
- Includes AI writing probability indicators
- Offers Moodle, Google Docs, and API integrations
- Free checks available for short texts
Against
- Free checking is limited to 150 words
- Uploads are limited to 10 files
- Each file can be up to 24 MB
- Paid plans start at $9.95, paid once
The verdict
PlagiarismSearch combines source matching, AI indicators, writing checks, and integrations. It offers free short checks, while larger workloads use one-time or monthly packages.
Who it suits
PlagiarismSearch suits students, educators, writers, bloggers, universities, and organizations checking originality or AI-writing indicators. Its API and Moodle integration also address institutional workflows.
Plans and prices
Light (Basic Package)
1 plagiarism submission · 1 AI submission · Unlimited time frame (days)
Read 2 Oct 2026 · plagiarismsearch.com
Standard (Basic Package)
10 plagiarism submissions · 10 AI submissions · Unlimited time frame (days)
Read 2 Oct 2026 · plagiarismsearch.com
Light (Monthly Package)
100 plagiarism submissions · 30 days
Read 2 Oct 2026 · plagiarismsearch.com
Light (3 Months Package)
100 plagiarism submissions · 100 AI submissions · 90 days
Read 2 Oct 2026 · plagiarismsearch.com
Premium (Basic Package)
50 plagiarism submissions · 50 AI submissions · Unlimited time frame (days)
Read 2 Oct 2026 · plagiarismsearch.com
Standard (Monthly Package)
300 plagiarism submissions · API access · 30 days
Read 2 Oct 2026 · plagiarismsearch.com
Premium (Monthly Package)
300 plagiarism submissions · 300 AI submissions · API access · storage
Read 2 Oct 2026 · plagiarismsearch.com
On the record
- AI detection
- The AI writing feature provides probability indicators at text and passage level, with highlighted passages for review.plagiarismsearch.com · read 2 Oct 2026
- API fit
- The maker says the API is suited to high-volume organizations including schools, universities, colleges, and publishing businesses.plagiarismsearch.com · read 2 Oct 2026
- Audience
- The maker presents the service for students, educators, writers, bloggers, universities, and organizations.plagiarismsearch.com · read 2 Oct 2026
- File limits
- The homepage upload form accepts up to 10 files and states a maximum file size of 24 MB.plagiarismsearch.com · read 2 Oct 2026
- Free access
- The site allows a free check of up to 150 words and says registered users can check up to 300 words daily for free.plagiarismsearch.com · read 2 Oct 2026
- Integrations
- The maker lists a Moodle plugin, Google Docs add-on, customizable API, and Viber and Telegram bots.plagiarismsearch.com · read 2 Oct 2026
- Moodle and Google Docs
- The maker says Moodle is its main LMS integration focus and describes scanning from a Google Docs add-on.plagiarismsearch.com · read 2 Oct 2026
- Other writing tools
- The site lists paper analysis, readability checking, and spelling and grammar checking.plagiarismsearch.com · read 2 Oct 2026
- Privacy
- The maker says uploaded documents are not stored, while reports may remain in an account and can be permanently deleted by the user.plagiarismsearch.com · read 2 Oct 2026
- Product
- PlagiarismSearch checks submitted text against selected web, archived, publication, academic, and enabled organizational sources.plagiarismsearch.com · read 2 Oct 2026
- Reports
- Reports highlight matching and similar passages, link them to detected sources, and provide a similarity report.plagiarismsearch.com · read 2 Oct 2026
- Security
- The maker says it encrypts user data and evaluates related third parties regularly.plagiarismsearch.com · read 2 Oct 2026
- Source database
- The maker says its academic database contains over 500 million indexed texts.plagiarismsearch.com · read 2 Oct 2026
- Support
- The maker lists live chat and email support and says its support team is available 24/7 on its Why Us page.plagiarismsearch.com · read 2 Oct 2026
