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Copyscape

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Pay-per-search plagiarism and duplicate content detection for the web

Plagiarism Checker Software
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  • Deployment Cloud Based
  • Starting price Free
  • Free trial Not offered
  • Best for Freelancers, SMEs, Agencies

What is Copyscape?

Copyscape is a long running plagiarism and duplicate content detection service built for website owners, writers, editors, and digital marketers who want to confirm their content is not copied elsewhere online. The free tier runs a basic search using search engine indexes, while Copyscape Premium adds copy and paste checking, PDF and Word uploads, batch searches of up to 10,000 pages, a Private Index for comparing against unpublished content, and an API returning results in JSON, XML, or HTML.

Premium is billed pay per search rather than as a flat subscription, costing 3 cents per search of up to 200 words plus 1 cent per additional 100 words. A separate product, Copysentry, continuously monitors the web for copies of a site's pages and emails alerts, with Standard and Professional tiers priced monthly per 10 pages monitored.

Key Features of Copyscape

Copyscape lists 8 documented features, including Pay-per-search Premium plagiarism scanning, Copysentry automated ongoing web monitoring with email alerts and Batch Search checks up to 10,000 pages at once. The list below covers what the product does rather than how it is marketed.

  • Pay-per-search Premium plagiarism scanning
  • Copysentry automated ongoing web monitoring with email alerts
  • Batch Search checks up to 10,000 pages at once
  • API access returning JSON, XML, or HTML results
  • Private Index for checking unpublished or offline content
  • Case management and team collaboration tools
  • WordPress integration
  • Free basic search using search engine indexes

Copyscape Pricing

Copyscape lists 4 plans. Three carry a published figure, from Free to $19.95; the rest are quoted on request.

Free

Free

Basic search only

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Search engine index based duplicate content check

Premium (pay per search)

$0.03/search

Up to 200 words, plus $0.01 per extra 100 words

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Pay-as-you-go credits for Premium search, batch search, and API

Copysentry Standard

$4.95/month

10 pages monitored

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Automated monitoring with email alerts for new copies

Copysentry Professional

$19.95/month

10 pages monitored

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Professional-tier monitoring with additional features

Copyscape Specifications

Copyscape is available on web app. It offers an API and has a free plan.

Deployment
  • Cloud Based
Billing cycle
Transaction
Desktop
  • Web App
Languages
  • English
Built for
  • Freelancers
  • SMEs
  • Agencies
Support
  • Email
Integrations
WordPress, API
Public API
Yes
Free trial
No
Free plan
Yes
Runs in browser
Yes
Customisable
Yes
Website
copyscape.com

Copyscape Videos

Copyscape Screenshots

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Copyscape FAQs

It charges pay per search, 3 cents for up to 200 words plus 1 cent per extra 100 words, rather than a flat subscription fee.

It is a separate monitoring product that automatically scans the web for copies of your pages and emails alerts, priced monthly per 10 pages.

Yes, the Private Index feature lets Premium users compare submissions against their own content even if it is not indexed online.

Yes, the Premium API lets developers query Copyscape programmatically and receive results in JSON, XML, or HTML.

Yes, a basic free search using search engine indexes is available alongside the paid Premium service.