Copyscape
Copyscape, founded in 2003 and operated by Indigo Stream Technologies, is a web-based plagiarism and AI-content detection service that scans online text for duplication. It serves publishers, content marketers, SEO firms, educators, and generative-AI platforms via a freemium web tool, paid Premium tier, developer API, Copysentry monitoring, and on-premises Enterprise deployments.
- Company typePrivate
- Founded2003
- HeadquartersTel Aviv, Israel
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Copyscape does
Copyscape is an online plagiarism detection service founded in 2003 and operated by Indigo Stream Technologies. The platform enables website owners, publishers, content marketers, SEO professionals, and generative-AI content platforms to identify duplicate or AI-generated text across the public web, as well as within their own content libraries. Its core detection technology processes input via URL or pasted text, runs proprietary algorithms against results returned by Google under an agreed integration, and presents matches with word-level overlap statistics. The free web service offers limited searches against the open web, while Copyscape Premium extends to unlimited searches, batch processing of up to 10,000 pages, Private Index storage, team management, and case tracking. An API tier exposes the same capabilities programmatically in JSON, XML, or HTML formats. In 2026 the company added an AI Detector feature that returns probability scores indicating whether submitted text was AI-generated.
The product portfolio is organized into four revenue-generating tiers and two free acquisition tools. Copyscape Premium is a usage-based service priced at 3 cents per search for the first 200 words plus 1 cent per additional 100 words. Copysentry provides automated continuous monitoring with monthly subscriptions at $4.95 (weekly scans) and $19.95 (daily scans), plus per-page overage fees. The Private Index feature charges $0.01 per 1,000 words added. Copyscape Enterprise offers on-premises and private-cloud deployment under custom licensing for security-conscious organizations. Free tools include a side-by-side comparison page and a set of plagiarism-warning banners that publishers can embed on their sites. Distribution is multi-channel: direct self-serve web signup, WordPress plugin, developer API, and OEM partnerships — most notably powering Jasper AI's plagiarism checker. Headcount is reported in the 1–10 range, and the company has operated continuously for over two decades without disclosed funding rounds.
The customer base is broadly horizontal and PLG-led, spanning publishing, generative-AI content generation, content marketing, SEO, education, and research. Named enterprise customers include Jasper, TopContent, and Content Writers. The go-to-market motion combines freemium product-led acquisition, content marketing through educational resources on plagiarism prevention, earned media from high-profile press coverage, and selective enterprise field sales for on-premises deployments. The corporate umbrella also encompasses the adjacent wholly-owned services Giga Alert and Siteliner.
Copyscape firmographics
Firmographics- Name
- Copyscape
- Legal name
- Indigo Stream Technologies
- Website
- https://copyscape.com
- Company type
- Private
- Founded year
- 2003
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Copyscape, founded in 2003 and operated by Indigo Stream Technologies, is a web-based plagiarism and AI-content detection service that scans online text for duplication. It serves publishers, content marketers, SEO firms, educators, and generative-AI platforms via a freemium web tool, paid Premium tier, developer API, Copysentry monitoring, and on-premises Enterprise deployments.
- Ownership category
- akta.pro rank
Copyscape industry classification
Industry- Product category
- Plagiarism Detection Software
- akta.pro primary industry
- Plagiarism Detection & Similarity Checking (EDAFALAA)
Keywords
Where Copyscape is headquartered
LocationHeadquarters
- HQ city
- Tel Aviv
- HQ country
- Israel
- HQ region
- Middle East
Markets served
Copyscape business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Infrastructure, Personnel, Marketing or Sales
Revenue model
- Premium Search Credits: Usage-based pricing where searches cost 3c for first 200 words plus 1c per additional 100 words. Users purchase credits in advance via credit card or PayPal. Revenue scales with content volume checked.
- Copysentry Subscriptions: Monthly subscription services for automated monitoring. Standard tier ($4.95/month up to 10 pages, weekly scans) and Professional tier ($19.95/month up to 10 pages, daily scans). Additional pages at $0.25-$1.00/month.
- Private Index Storage: Charged at $0.01 per 1,000 words added to private index. No limit on content volume.
- Enterprise Licensing: Enterprise deployment license for on-premises or private cloud infrastructure, with custom pricing based on organizational needs.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Usage-based | Pay-as-you-go | Per-search pricing at 3 cents base + word-based charges |
| Subscription | Monthly | Weekly monitoring at $4.95/month base |
| Subscription | Monthly | Daily monitoring at $19.95/month base |
| Usage-based | Pay-as-you-go | Private index building at 1 cent per 1,000 words |
Go-to-market motion3 records
Distribution channels4 records
Marketing channels4 records
Copyscape product offering
Product offeringCore offering
Copyscape is a web-based plagiarism detection service that searches the public internet to identify duplicate or copied content. It offers a free online plagiarism checker for individuals, a paid Premium tier with batch search and private indexing, a REST API for integration into third-party platforms, an on-premises Enterprise deployment for large organizations, and Copysentry continuous web monitoring for detecting content theft over time.
Differentiator
Problem solved
Functional benefit
Brands
- Copyscape Premium: Paid plagiarism detection service with advanced features including batch search, API access, and AI content detection.
- Copysentry
- Copyscape Enterprise
- Copyscape Premium API
Products and services
- Copyscape Free Plagiarism Checker Free online plagiarism detection tool that allows any visitor to paste text or enter a URL to find matching pages on the public web. Targeted at individual site owners, bloggers, and small publishers who need an ad-hoc originality check.
- Copyscape Premium Paid subscription-style plagiarism detection service with credit-based usage, designed for businesses and high-volume content producers. Includes batch search for checking many pages at once, the Private Index for matching against a customer's own private document collection, case tracking, and an AI content detector.
- Copyscape API REST API that allows developers and platforms to integrate Copyscape plagiarism detection directly into their own products and workflows. Used by partners such as Jasper to embed content integrity checks inside AI content tools.
- Copyscape Enterprise Enterprise-grade, on-premises version of Copyscape aimed at larger organizations that require deployment within their own infrastructure for confidentiality, regulatory, or scale reasons. Sold via direct enterprise sales motion.
- Copysentry Continuous web monitoring subscription that periodically scans the internet for copies of a customer's registered web pages and sends alerts when duplicates are detected. Used by site owners and publishers who want ongoing protection rather than one-off checks.
Quantifiable outcome
- Batch search capability of up to 10,000 pages per operation
- +2 more outcomes
Companies that use Copyscape
Customer profileNamed customers3 records
Segments5 records
Ideal customer profiles4 records
Copyscape technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration5 records
AI capability4 records
Feature6 records
Copyscape partnerships and signals
Strategic signalScale indicators4 records
Recent moves5 records
Expansion highlights5 records
Copyscape competitors and assessment
Company assessmentBroad incumbents
- Turnitin: Long-established plagiarism and AI-detection platform primarily serving academic institutions; a broad incumbent in the same detection category with overlapping AI-content-detection capabilities and significantly greater scale.
- Grammarly: Widely-used writing assistant with an embedded plagiarism checker; a broad incumbent whose plagiarism feature competes indirectly with Copyscape for the same writers and content marketers but is bundled inside a much broader writing platform.
Direct peers
- iThenticate: Turnitin's professional plagiarism-detection product for publishers and researchers; a direct peer that competes head-to-head with Copyscape Premium in the editorial and research segment, with very similar similarity-matching workflows.
- Quetext: Web-based plagiarism and AI-detection service offering deep-search and citation assistance to writers and editors; a direct peer with comparable target customer (content marketers, SEO, freelancers) and feature set.
- Originality.ai: AI-content detection and plagiarism checker purpose-built for web publishers and content marketers; a direct peer that competes specifically on AI-detection accuracy in the same segment Copyscape targets with its 2026 AI Detector launch.
- Copyleaks: Plagiarism and AI-content detection platform with API and LMS integrations; a direct peer covering both plagiarism and Gen-AI detection, overlapping with Copyscape's Premium, API, and Enterprise offerings.
- PlagiarismChecker.co: Free online plagiarism detection service with deep-search and report features; a direct peer in the freemium plagiarism-detection category, anchoring price expectations low and competing for the same SMB customers.
- DupliChecker: Free plagiarism-detection and SEO-tools platform; a direct peer competing on the same freemium SMB segment and putting downward pressure on per-search pricing across the category.
Emerging players
- Winston AI: Emerging AI-content detection service focused on educators and publishers; an emerging player whose AI-detection focus directly overlaps Copyscape's newest feature, representing a fast-moving challenger in the niche.
Regional players
- Compilatio: Plagiarism-detection service primarily serving European universities and educational institutions; a regional player with comparable similarity-checking technology but a strong focus on European-language academic content rather than web publishers.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
Copyscape social profiles
Digital presenceCopyscape financial estimates
Financial estimateRevenue estimate
Valuation estimate
Copyscape leadership team
Management profileNumber of profiles
Profiles1 record
Copyscape subsidiaries and ownership
Company hierarchySubsidiaries2 records
Copyscape funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Copyscape M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Copyscape
What does Copyscape do?
Copyscape is a web-based plagiarism detection service that searches the public internet to identify duplicate or copied content. It offers a free online plagiarism checker for individuals, a paid Premium tier with batch search and private indexing, a REST API for integration into third-party platforms, an on-premises Enterprise deployment for large organizations, and Copysentry continuous web monitoring for detecting content theft over time.
Is Copyscape a public or private company?
Copyscape is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Copyscape founded?
Copyscape was founded in 2003. It employs 1 to 10 people.
Where is Copyscape based?
Copyscape is headquartered in Tel Aviv, Israel, in the Middle East region.
How does Copyscape make money?
Four revenue lines are on record. Premium Search Credits are the primary driver. The others are copysentry Subscriptions, private Index Storage and enterprise Licensing.
Who are Copyscape's main competitors?
Broad incumbents on record are Turnitin and Grammarly. Direct peers are iThenticate, Quetext, Originality.ai, Copyleaks, PlagiarismChecker.co and DupliChecker. Winston AI is listed as an emerging player. Compilatio is listed as a regional player.
Does Copyscape have an API?
Yes. The Copyscape Premium API allows seamless integration into internal systems to automatically check new content (human or AI-generated) for plagiarism and test whether content was generated by AI. Supports JSON, XML, and HTML response formats. Uses HTTP GET for URL searches and HTTP POST for text searches. API costs 3c per search for the first 200 words plus 1c per additional 100 words. Available to all Copyscape Premium subscribers. WordPress plugin available for WordPress workflow integration. Developer documentation is at www.copyscape.com/api-guide.php.
What industry is Copyscape in?
Copyscape's product category is Plagiarism Detection Software. Its primary akta.pro industry code is EDAFALAA, Plagiarism Detection & Similarity Checking.