Plagism: The Ultimate Free Plagiarism Checker & AI Content Detector

Safeguard your originality in seconds. Plagism scans billions of web pages and detects AI-generated text with industry-leading precision—all without storing your data.

AI Detection
Grammar & Readability
Multi-Language
Fast Results
Secure Cloud
PDF Reports

Free for up to 1,000 words • No Sign-up required • 100% In-Memory Privacy

PlagiarismAI-ScanGrammar Check
0/1,000 Words
0 Characters

The Plagism Advantage

Built from the ground up to differ from traditional, outdated plagiarism checkers.

100% In-Memory Privacy

We never store, sell, or claim ownership of your text. Your data vanishes the moment the scan completes.

No Forced Sign-ups

Start scanning instantly. No credit cards or mandatory accounts required for our generous 1,000-word free tier.

Dual-Engine Precision

Simultaneous real-time web search and advanced AI model detection in a single, lightning-fast scan.

PDF Proof Reports

Export detailed, professional PDF reports with highlighted sources to prove your content's authenticity.

Trusted & Secure

100% Data Privacy Guarantee

GDPR Compliant

Full data protection compliance

SSL Encrypted

Bank-level security

Strict Privacy

No Data Storage

Fast Results

Priority processing under 10s

Trusted Globally

By students & agencies

Industry Leader

Highest accuracy rates

As featured in:
TechCrunch
Forbes
Product Hunt
EdTech

How It Works

Three simple steps to ensure your content is original and error-free.

1

1. Paste or Upload Your Text

Drop your content directly into the editor or upload your document. Plagism securely processes your text in memory—meaning your work is never saved, stored, or shared.

2

2. Initiate the Dual-Engine Scan

Within seconds, our advanced algorithms cross-reference your text against billions of live web pages and analyze it for AI-generated patterns and grammatical accuracy.

3

3. Review Your Comprehensive Report

Get crystal-clear, highlighted results instantly. Download a detailed PDF report complete with identified sources, plagiarism percentages, and an overall AI score to prove your work’s authenticity.

Why Choose Plagism?

The definitive source of truth for your content. Fast, secure, and built for the modern web.

Pinpoint Originality Checking

Plagism conducts real-time web searches across billions of sources to identify even the most subtle duplicated content.

Advanced AI Detection

Instantly spot footprints from major AI models, including GPT-4, Gemini, and Claude, keeping your content human and authentic.

Total Privacy Guarantee

We operate strictly in-memory. Your documents are analyzed on the fly and never stored in our databases.

Generous Free Tier

Start scanning immediately with zero friction. Enjoy up to 1,000 words per scan absolutely free—no account required.

Multilingual Mastery

Break language barriers with native support for checking originality and grammar in over 100 languages.

Downloadable Proof

Export detailed, professional PDF reports featuring source links and highlighted text to share with clients or professors.

Who is Plagism For?

Tailored solutions for every content creator.

Students & Academia

Ensure your essays and thesis papers are 100% original before submission. Avoid accidental plagiarism matching.

Content Writers

Verify uniqueness of your articles and blog posts. Detect if hired writers are using AI tools without disclosure.

SEO Professionals

Protect your search rankings. Google penalizes duplicate and low-quality AI content. Audit your site instantly.

Agencies & Business

Maintain brand reputation by ensuring all marketing copy and internal documents are authentic and human-written.

Why Plagism Outperforms the Rest

When it comes to your reputation, 'good enough' isn't enough. We built Plagism to deliver the comprehensive analysis you need without the paywalls, privacy risks, or convoluted interfaces found elsewhere.

Feature
Plagism
AI Content Detection
Real-time Web Search
Strict 100% Privacy
Grammar Checking
100+ Languages
No Sign-up Required
Deep Search Technology
Free 1000 Words

* Comparison based on free version features vs leading competitors

Trusted Worldwide

See what professionals and educators have to say about Plagism.

"As a university professor, I need a tool that is both fast and definitive. Plagism catches subtle paraphrasing that other tools completely miss, and the integrated AI detection saves me hours of manual review every week."
Dr. Eleanor M.
Higher Education
"Managing a content marketing agency means processing hundreds of articles a month. Plagism has become our non-negotiable final step. It guarantees our clients receive 100% original, human-written content every time."
Marcus T.
SEO Agency Director
"I love how frictionless Plagism is. I can drop in a 1,000-word draft, get a detailed PDF report proving its originality, and know my unedited manuscript wasn’t secretly saved to a random server. It's brilliant."
Sarah K.
Freelance Writer

Simple, Transparent Pricing

Start for free, upgrade when you need limitless scanning power.

Free

Perfect for students and casual writers verifying originality.

$0/mo
  • Up to 1,000 words per scan
  • Real-time plagiarism checker
  • Basic AI content detection
  • Zero data storage (Strict Privacy)
  • No account required
  • Advanced AI model detection
  • Downloadable PDF Reports
  • Unlimited words per scan
  • Priority processing
Try Plagism Free
Most Popular

Pro

For professionals, educators, and content creators.

$19/mo
  • Unlimited words per scan
  • Deep-search plagiarism analysis
  • Advanced AI detection (GPT-4, Claude, Gemini)
  • Downloadable PDF Reports with sources
  • Priority processing (<5s results)
  • Priority Support
  • High-volume API Access
Upgrade to Pro

Enterprise

Tailored for organizations, agencies, and heavy volume.

Custom
  • High-volume API access
  • Custom user seats and team management
  • Dedicated account support
  • White-labeled reporting
  • Custom Integration
  • SSO & Security Features
Contact Sales

Plagism | Free Plagiarism Checker & AI Content Detector

Verify content originality instantly with Plagism. Use our free, highly accurate plagiarism checker and AI detector. No data storage—100% privacy guaranteed.

Accurate Plagiarism Checker with Percentage

Avoiding plagiarism is essential for academic integrity and SEO. Our tool scans billions of web pages to find exact matches and paraphrased content. Get a detailed report with a clear plagiarism score and direct links to sources, making it the best free plagiarism checker for students and bloggers.

Check CopyrightAcademic IntegrityDuplicate ContentOnline Scanner

Detect ChatGPT, GPT-4 & AI Generated Text

With the rise of AI writing tools, verifying human authorship is more important than ever. Our strictly trained AI content detector identifies text generated by **ChatGPT**, **Claude**, **Gemini**, and other LLMs. Ensure your work remains authentic effectively avoiding AI penalties.

Advanced Grammar Check & Correction

Enhance your writing clarity with our integrated grammar checker. Fix spelling errors, punctuation mistakes, and improve sentence structure instantly. From essays to emails, ensure your communication is flawless and professional.

Complete Writing Toolkit

100% Secure & Private

We scan your text in real-time without storing it, ensuring complete privacy for your sensitive documents.

Deep Search Technology

Our engine crawls deep web archives and academic databases to find matches that other free tools miss.

Multi-Language Support

Check for plagiarism and AI content in over 100 languages, including Spanish, French, German, and more.

The Plagism Story

Why "Plagism"? We intentionally dropped the "i" from plagiarism because we believe your originality belongs entirely to you. We built Plagism to be the ultimate digital safeguard—a tool that empowers writers, educators, and businesses to verify authenticity without sacrificing privacy or dealing with clunky, outdated interfaces. Whether you're fighting accidental duplication or navigating the new era of AI-generated content, Plagism is your definitive source of truth. Fast, secure, and built for the modern web.

Frequently Asked Questions

Everything you need to know about Plagism. Can't find what you're looking for?Contact us.

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Get in touch with our team

Ready to Verify Your Content?

Join thousands of writers, educators, and SEO professionals who trust Plagism to protect their originality and reputation.