Plagium
Free check, no account needed

Technology for AI and plagiarism detection

An ally in protecting originality. Paste a text and get a clear verdict in minutes: how much matches other sources and how likely it is to be machine written.

Your text has 0 characters.

2 free searches a day without signing in, up to 2,000 characters each. No card needed.

100% secureFast and accurateDetailed results
Our features

Complete solutions for originality

Plagiarism detectionSearch the web, news and academic sources for matching passages.AI detectionEstimate how likely a text is to be written by a machine.Reports and analysisHighlighted passages, matched sources and a clear verdict.Certificate of authenticityProve your work is original with a shareable certificate.
Plagiarism detection

Find every matching passage before anyone else does

Quick search checks the live web in seconds. Deep search adds news archives, academic repositories and previously indexed documents to catch harder matches, including translated ones.

What we searchWeb pages, news and academic sourcesMatched sources with direct linksQuotes and references excluded on demandPDF report and read only share link
AI detection

Human or machine? Get a verdict you can explain

The detector reports a likelihood, not an accusation. Mixed documents are highlighted section by section, so you can see exactly which parts read as machine written and why.

This text was probably written by a human.
Solutions

Built for the way you work

For educationCheck submissions at scale and turn flagged reports into teaching moments.ExploreFor publishersScreen manuscripts and submissions before they reach print or the web.ExploreFor companiesProtect your brand from copied content and verify what you publish.Explore
Pricing

Start free, pay only when a document needs more

Compare all plans
Single documentMost popular up to 5 pagesOne document, one payment. Plagiarism and AI detection together, full report included.
Credit packages for 25 credits1 credit checks 1 page of 2,500 characters. Credits never expire and work for every service.
UnlimitedNew /monthUp to 500 checks per calendar month, shared between quick plagiarism search and AI detection, for texts up to 5,000 characters each. Covered checks within the allowance do not use credits.
Institutional /year and up6,000 shared credits per year, unlimited members, invoice payment and LMS integration.

Your authenticity starts here

Run a free search now, no account needed. Pay only when your work asks for more.

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