Comment utiliser Copyleaks pour détecter l'IA et le plagiat (2026)

Démarrage rapide

Ce guide couvre toutes les fonctionnalités de Copyleaks :

• Commencer — Créer un compte et effectuer la configuration de base
• Comment utiliser le détecteur d'IA — Detect AI generated content with 99% accuracy
• Comment utiliser la modération de texte — Scan documents for inappropriate content
• Comment utiliser l'intégration API — Connect Copyleaks to your applications
• Comment utiliser une extension de navigateur — Check content directly in Chrome
• Comment utiliser un détecteur de plagiat — Find matching content across sources
• Comment utiliser le correcteur grammatical — Fix writing errors automatically
• Comment utiliser l'intégration LMS — Connect with Canvas and learning platforms
• How to Use Google Docs Add-on — Check originality inside Google Docs

Temps nécessaire : 5 minutes par fonctionnalité

Vous trouverez également dans ce guide : Conseils de pro | Erreurs courantes | Dépannage | Tarification | Alternatives

Pourquoi faire confiance à ce guide ?

I’ve used Copyleaks for over 18 months and tested every feature covered here. This how to Use Copyleaks tutorial comes from real hands-on experience — not marketing fluff or vendor screenshots.

Copyleaks is one of the most powerful AI detection and plagiarism detection tools available today.

Mais la plupart des utilisateurs n'exploitent qu'une infime partie de ses possibilités.

Ce guide vous montre comment utiliser chaque fonctionnalité principale.

Étape par étape, avec captures d'écran et conseils de pro.

Tutoriel Copyleaks

Ce tutoriel complet sur Copyleaks vous guide pas à pas à travers chaque fonctionnalité, de la configuration initiale aux astuces avancées qui feront de vous un utilisateur expert.

Premiers pas avec Copyleaks

Avant d'utiliser toute fonctionnalité, veuillez effectuer cette configuration unique.

Cela prend environ 3 minutes.

Regardez d'abord ce bref aperçu :

Passons maintenant en revue chaque étape.

Étape 1 : Créez votre compte

Go to copyleaks.com and click “Sign Up Free.”

Saisissez votre adresse e-mail et créez un mot de passe.

Vous pouvez également vous inscrire en utilisant votre compte Google pour un accès plus rapide.

✓ Point de contrôle: Vérifiez votre boîte de réception pour recevoir un e-mail de confirmation et vérifier votre compte.

Étape 2 : Accéder au tableau de bord

Log in to your Copyleaks account.

You’ll see the main dashboard where you can submit documents for scanning.

Voici à quoi ressemble le tableau de bord :

✓ Point de contrôle: You should see the scan submission area and your credit balance.

Étape 3 : Terminer la configuration initiale

Review your account settings and choose your preferred detection mode.

Copyleaks offers free AI-powered tools for individuals including an AI Detector and Plagiarism Vérificateur.

You can also install the browser extension for quick checks while browsing.

Comment utiliser Copyleaks AI Detector

Détecteur d'IA lets you detect AI generated content with high accuracy.

Voici comment l'utiliser étape par étape.

Découvrez AI Detector en action :

Maintenant, décomposons chaque étape.

Step 1: Submit Your Content

Click “New Scan” from the dashboard.

Collez votre texte or upload a document in PDF, Word, or other supported formats.

Copyleaks’ AI detector is trained to recognize human writing patterns and flags text as potential AI when it detects deviations.

Step 2: Configure Detection Settings

Select your AI detection sensitivity level.

Copyleaks offers three different levels of sensitivity for AI content detection scanning.

Voici à quoi cela ressemble :

✓ Point de contrôle: You should see the sensitivity options and scan preview.

Step 3: Review Your Report

Click “Scan” and wait for your originality report.

Copyleaks provides a 99% accuracy rate in detecting AI generated content based on extensive testing.

The AI detection tool supports 30+ languages and covers GPT 3, 3.4 and 5, Gemini, Claude, plus newer models.

Comment utiliser la modération de texte Copyleaks

Modération des textes lets you scan documents for inappropriate or harmful content.

Voici comment l'utiliser étape par étape.

Observez la modération de texte en action :

Maintenant, décomposons chaque étape.

Step 1: Access Text Moderation

Navigate to the Text Moderation section in your dashboard.

Select the type of content you want to moderate.

Étape 2 : Téléchargez votre contenu

Submit the text or documents you want to check.

Copyleaks helps maintain content integrity by protecting digital content from alteration and duplication.

Voici à quoi cela ressemble :

✓ Point de contrôle: You should see content categories and moderation options.

Step 3: Review Flagged Content

Check the moderation report for any flagged phrases or sections.

Each flagged item includes context and severity ratings.

Comment utiliser l'intégration de l'API Copyleaks

Intégration API lets you connect Copyleaks to your own applications and workflows.

Voici comment l'utiliser étape par étape.

Découvrez l'intégration API en action :

Maintenant, décomposons chaque étape.

Step 1: Get Your API Credentials

Accédez aux paramètres de votre compte et trouvez la section API.

Users must create an account to access the Copyleaks API.

Copyleaks provides a Quickstart guide to help users set up and use the API quickly.

Step 2: Generate Your Access Token

To perform a scan using the Copyleaks API, you need to generate an access token.

Use the login endpoint to create your token.

Voici à quoi cela ressemble :

✓ Point de contrôle: The access token generated is valid for 48 hours.

Étape 3 : Effectuez votre premier appel API

Users can interact with the Copyleaks API using any standard HTTP client.

Copyleaks provides a Postman collection for quicker setup when using the API.

You can test text for AI generation using the Copyleaks API by sending a POST request.

Comment utiliser l'extension de navigateur Copyleaks

Extension de navigateur lets you check content directly while browsing the web.

Voici comment l'utiliser étape par étape.

Découvrez l'extension de navigateur en action :

Maintenant, décomposons chaque étape.

Étape 1 : Installez l'extension

Students must use the Google Chrome browser on a laptop or desktop computer.

Visit the Chrome Web Store and search for Copyleaks.

Cliquez sur « Ajouter à Chrome » pour installer l'extension.

Step 2: Authenticate Your Account

Click the Copyleaks icon in your browser toolbar.

Sign in with your Copyleaks credentials.

Voici à quoi cela ressemble :

✓ Point de contrôle: The extension icon should show you’re logged in.

Step 3: Scan Web Content

Sélectionnez n'importe quel texte sur une page web et cliquez avec le bouton droit pour le scanner.

The extension checks if content is AI written or potentially plagiarized.

Les résultats apparaissent immédiatement in a popup window.

Comment utiliser le vérificateur de plagiat Copyleaks

Vérificateur de plagiat lets you find matching content across billions of sources.

Voici comment l'utiliser étape par étape.

Découvrez le vérificateur de plagiat en action :

Maintenant, décomposons chaque étape.

Étape 1 : Téléchargez votre document

Click “New Scan” and select plagiarism detection mode.

Copyleaks scans essays, research papers, and other written assignments.

Upload your document or paste text directly.

Étape 2 : Lancer l’analyse anti-plagiat

Copyleaks compares your submission against its database of sources.

After submission, Copyleaks generates a detailed originality report that highlights matching content.

Voici à quoi cela ressemble :

✓ Point de contrôle: Your originality report will be available in the assignment details after submission.

Step 3: Review Matching Sources

Check each flagged section and its original source.

Matching content is flagged for review to ensure proper citation practices.

Your work is stored securely in the Copyleaks database to prevent self-plagiarism.

Comment utiliser le correcteur grammatical Copyleaks

Correcteur grammatical lets you fix writing errors and improve readability.

Voici comment l'utiliser étape par étape.

Découvrez le correcteur grammatical en action :

Maintenant, décomposons chaque étape.

Step 1: Access Grammar Checker

Navigate to the Writing Tools section in your dashboard.

Select Grammar Checker from the available tools.

Étape 2 : Collez votre texte

Enter the content you want to check.

The tool analyzes your text for grammar, spelling, and style issues.

Voici à quoi cela ressemble :

✓ Point de contrôle: You should see error highlights and suggestions appearing.

Étape 3 : Appliquer les corrections

Review each suggestion and click to apply.

The tool provides feedback on how to improve your writing.

Export your corrected document when finished.

Comment utiliser l'intégration Copyleaks LMS

Intégration LMS lets you connect Copyleaks directly with Canvas and other learning platforms.

Voici comment l'utiliser étape par étape.

Découvrez l'intégration LMS en action :

Maintenant, décomposons chaque étape.

Step 1: Request LMS Setup

Contact your institution’s IT department about Copyleaks integration.

Copyleaks is a tool integrated into Canvas to help maintain academic integrity.

Instructors can enable Copyleaks assignment checking at the course level.

Step 2: Submit Through Your LMS

Find the Copyleaks assignment in your Canvas course.

Upload your document using the standard submission process.

Voici à quoi cela ressemble :

✓ Point de contrôle: You should see a Copyleaks submission confirmation.

Étape 3 : Consultez vos résultats

Access your originality report through the assignment details.

Faculty and instructors can discuss results and provide comments directly in the LMS.

Copyleaks helps support academic integrity by providing tools for detecting plagiarism and ensuring originality.

Comment utiliser l'extension Copyleaks pour Google Docs

Module complémentaire Google Docs lets you check originality directly inside Google Docs.

Voici comment l'utiliser étape par étape.

Découvrez le module complémentaire Google Docs en action :

Maintenant, décomposons chaque étape.

Étape 1 : Installer le module complémentaire

Open Google Docs and go to Extensions menu.

Select “Add-ons” and search for Copyleaks.

Click Install and grant the necessary permissions.

Étape 2 : Connectez votre compte

Open the Copyleaks add-on from the Extensions menu.

Sign in with your Copyleaks credentials.

Voici à quoi cela ressemble :

✓ Point de contrôle: The add-on sidebar should appear with scan options.

Step 3: Run a Scan

Click “Scan” to check your current document.

Results appear in the sidebar with highlighted sections.

You can view details and save the report directly from Google Docs.

Conseils et astuces de pro pour Copyleaks

After testing Copyleaks for over 18 months, here are my best tips.

Raccourcis clavier

Action	Raccourci
New Scan	Ctrl + N
View Report	Ctrl + R
Export Results	Ctrl + E
Toggle Highlight	Ctrl + H

Fonctionnalités cachées que la plupart des gens ignorent

• Numérisation par lots : Upload multiple documents at once using the bulk upload feature to save time on large assignments.
• Détection interlingue : Copyleaks includes AI detection to identify content created in 30+ languages and plagiarism detection in 100+ languages.
• Sensitivity Adjustment: Copyleaks aims to be the most accurate tool by offering different sensitivity levels you can adjust per scan.

Erreurs courantes à éviter en matière de fuites de copies

Mistake #1: Not Checking References Format

Mistake #2: Using Wrong Sensitivity Settings

Mistake #3: Ignoring the Report Details

Dépannage de Copyleaks

Problem: Scan Takes Too Long

Cause: Large documents or server load during peak times can slow down processing.

Réparer: Break large documents into smaller sections or scan during off-peak hours. Check your internet connection as well.

Problème : l’extension de navigateur ne fonctionne pas

Cause: Extension conflicts or outdated browser version causing errors.

Réparer: Update Chrome to the latest version, disable conflicting extensions, and reinstall Copyleaks extension.

Problem: Unexpected AI Detection Results

Cause: Copyleaks does not currently offer a way to re-scan documents except for failed scans, which can be confusing.

Réparer: To change the AI sensitivity level, download any documents submitted before making the change. Then adjust settings and submit again.

📌 Note: If none of these fix your issue, contact Copyleaks support through the help center or email.

Qu'est-ce que Copyleaks ?

Fuites de copies is an AI detection and plagiarism detection tool that helps maintain academic integrity and content originality.

Think of it like a digital proofreader that checks if content is AI written or copied from other sources.

Regardez ce bref aperçu :

Il comprend les fonctionnalités clés suivantes :

• Détecteur d'IA : Detects AI generated content using machine learning with 99% accuracy across 30+ languages.
• Modération des textes : Scans documents for inappropriate content and policy violations.
• Intégration API : Connects with your applications using a developer-friendly API with 48-hour access tokens.
• Extension de navigateur : Checks content directly in Chrome while browsing the web.
• Vérificateur de plagiat : Finds matching content across billions of sources in 100+ languages.
• Correcteur grammatical : Fixes writing errors and improves document readability.
• Intégration LMS : Works with Canvas and other learning platforms for direct assignment checking.
• Module complémentaire Google Docs : Checks originality directly inside Google Docs without switching tools.

Copyleaks has evolved from detecting plagiarism to providing a platform of AI detection and compliance tools.

Pour une analyse complète, consultez notre Critique de Copyleaks.

Tarification de Copyleaks

Voici le coût de Copyleaks en 2026 :

Plan	Prix	Idéal pour
Gratuit	$0	Trying out the platform with limited scans
Personnel	13,99 $/mois	Utilisateurs individuels et étudiants
Pro	74,99 $/mois	Small teams and content creators
Entreprise	Tarification personnalisée	Grandes organisations et institutions

Essai gratuit : Yes, Copyleaks offers a free trial for new users to test features.

Garantie de remboursement : Refunds available within first 10 days if no scans were used.

💰 Meilleur rapport qualité-prix : Personal plan at $13.99/month — includes 100 scan credits covering up to 25,000 words monthly with full AI and plagiarism detection.

Copyleaks contre les alternatives

Comment Copyleaks se compare-t-il aux autres ? Voici un aperçu du paysage concurrentiel :

Outil	Idéal pour	Prix	Notation
Fuites de copies	AI + Plagiarism Detection Combined	13,99 $/mois	⭐ 4.1
Turnitin	Academic Institutions	Institutional Pricing	⭐ 4,3
Originalité IA	Content Publishers	12,95 $/mois	⭐ 4,4
GPTZero	Free AI Detection	0 $ à 24,99 $/mois	⭐ 4.0
Grammarly	Writing Enhancement	12 $/mois	⭐ 4,5
Scribbr	Academic Papers	Pay-per-check	⭐ 4.2
Quetext	Budget Plagiarism Checking	9,99 $/mois	⭐ 3,8
Copyscape	Website Content	Pay-per-check	⭐ 4.0
Winston IA	Détection de contenu par IA	10 $/mois	⭐ 4.1

Sélection rapide :

• Meilleur résultat global : Copyleaks — Combines AI detection with plagiarism checking in one platform
• Meilleur budget : GPTZero — Free tier available for basic AI detection needs
• Best for academics: Turnitin — Industry standard for educational institutions
• Idéal pour les créateurs de contenu : Originality AI — Fast scanning with website integration

🎯 Alternatives à Copyleaks

Vous cherchez des alternatives à Copyleaks ? Voici les meilleures options :

• 🏢 Turnitin : The gold standard for universities and colleges with deep LMS integration and institutional-grade reportage for academic integrity.
• 🚀 IA d'originalité : Built for content publishers with fast website scanning and pay-as-you-go credits starting at $12.95 monthly.
• 💰 GPTZero : Offers a generous free tier plus premium plans up to $24.99 for those who want to detect AI writing on a budget.
• 🎨 Grammarly : Goes beyond detection to actively improve your writing with style suggestions and tone adjustments.
• 📊 Scribbr : Specializes in academic papers and dissertations with citation checking and detailed similarity reports.
• ⚡ Quetexte : Budget-friendly plagiarism checker at $9.99 monthly with DeepSearch technology for thorough scanning.
• 🌟 Copyscape : Focused on web content with premium search capabilities to find copied content across the internet.
• 🧠 IA Winston : Accurate AI content detection starting at $10 monthly with human-readable reports and confidence scores.

Pour la liste complète, consultez notre Alternatives à Copyleaks guide.

⚔️ Comparaison des fuites de copies

Voici comment Copyleaks se compare à chacun de ses concurrents :

• Copyleaks contre Turnitin : Copyleaks offers individual plans while Turnitin requires institutional licensing. Choose Copyleaks for personal use, Turnitin for university-wide deployment.
• Copyleaks contre Originality AI : Both excel at AI detection, but Copyleaks includes grammar checking while Originality AI focuses purely on content verification.
• Copyleaks contre GPTZero : GPTZero has a better free tier, but Copyleaks provides more accurate results and covers 30+ languages for AI detection.
• Copyleaks contre Grammarly : Grammarly is better for writing improvement while Copyleaks specializes in originality and AI detection with detailed reports.
• Copyleaks contre Scribbr : Scribbr targets academic users exclusively while Copyleaks serves both academic and entreprise content needs.
• Copyleaks contre Quetext : Quetext is cheaper but Copyleaks includes AI detection that Quetext lacks in its core offering.
• Copyleaks contre Copyscape : Copyscape focuses on website content while Copyleaks handles documents, essays, and web content equally well.
• Copyleaks contre Winston AI : Both detect AI content accurately. Copyleaks adds plagiarism checking while Winston AI offers additional fact-checking features.

Commencez à utiliser Copyleaks dès maintenant

Vous avez appris à utiliser toutes les principales fonctionnalités de Copyleaks :

• ✅ Détecteur IA
• ✅ Modération des textes
• ✅ Intégration API
• ✅ Extension de navigateur
• ✅ Détecteur de plagiat
• ✅ Correcteur grammatical
• ✅ Intégration LMS
• ✅ Module complémentaire Google Docs

Étape suivante : Choisissez une fonctionnalité et essayez-la dès maintenant.

Most people start with AI Detector to check their content for AI writing.

Cela prend moins de 5 minutes.

Foire aux questions

Copyleaks est-il fiable ?

Copyleaks is a legitimate and trusted AI detection and plagiarism checking platform used by millions of users worldwide. The company was founded in 2015 and has evolved into a leading provider of content integrity tools. Their AI detector provides a 99% accuracy rate based on extensive testing of millions of texts.

Copyleaks est-il aussi performant que Turnitin ?

Copyleaks and Turnitin serve different markets effectively. Turnitin is the industry standard for academic institutions with deep LMS integration, while Copyleaks offers more accessible individual plans and combined AI detection. For students and freelancers, Copyleaks is often more practical since Turnitin only sells to institutions.

Copyleaks est-il gratuit ou payant ?

Copyleaks offers both free and paid options. The free tier provides limited scanning credits to test the platform. Paid plans start at $13.99/month for the Personal plan with 100 scan credits, and $74.99/month for the Pro plan with 1,000 credits. Enterprise and Education plans have custom pricing.

Que recherchent Copyleaks ?

Copyleaks scans content for two main things: AI generated text and plagiarism. The AI detector identifies content created by tools like ChatGPT, Gemini, Claude, and other language models. The plagiarism checker compares your text against billions of web pages, academic papers, and documents to find matching content.

Copyleaks peut-il réellement détecter l'IA ?

Yes, Copyleaks can detect AI generated content with high accuracy. The AI detection tool is trained to recognize human writing patterns and flags text when it detects deviations. Copyleaks supports AI detection in 30+ languages and covers GPT 3, 3.4 and 5, Gemini, Claude, plus newer models as they’re released.

Combien coûte Copyleaks ?

Copyleaks Personal plan costs $13.99/month with 100 scan credits for up to 25,000 words. The Pro plan costs $74.99/month with 1,000 credits for up to 250,000 words. Annual billing offers up to 25% savings. Enterprise and Education plans have custom pricing based on organization needs.

Copyleaks est-il meilleur que GPTZero ?

Copyleaks and GPTZero each have strengths. GPTZero offers a more generous free tier making it better for casual users. Copyleaks provides higher accuracy rates, plagiarism checking combined with AI detection, and supports more languages. For professional use where accuracy matters most, Copyleaks has the edge.

Comment fonctionne Copyleaks ?

Copyleaks uses machine learning algorithms to analyze submitted text. For AI detection, it identifies patterns and signals specific to AI writing. For plagiarism, it compares content against a database of billions of sources. After submission, Copyleaks generates a detailed originality report highlighting matching content and AI probability scores.

Copyleaks détecte-t-il Grammarly ?

Using Grammarly for grammar corrections typically won’t trigger AI detection in Copyleaks. However, if you use Grammarly’s AI writing features to generate content rather than just correct it, that AI generated text may be flagged. Copyleaks is trained to detect AI writing patterns, not grammar correction tools.

Existe-t-il une version gratuite de Copyleaks ?

Yes, Copyleaks offers a free version with limited scanning capabilities. The free tier lets you test the AI detector and plagiarism checker with a small number of credits. For regular use, you’ll need to upgrade to a paid plan or purchase additional credits when your free allowance runs out.

Comment puis-je annuler mon abonnement Copyleaks ?

To cancel your Copyleaks subscription, log into your account and go to settings. Navigate to subscription management and click cancel. All plans renew automatically unless canceled before the next billing cycle. Canceling stops future renewals but you’ll retain access until the end of your current billing period.

Copyleaks détecte-t-il le plagiat ?

Yes, plagiarism detection is one of Copyleaks’ core features. It scans your content against billions of online sources, academic databases, and previously submitted documents. The plagiarism checker supports 100+ languages and generates detailed reports showing matching content with source links.

Copyleaks génère-t-il des faux positifs ?

Like all AI détecteurs, Copyleaks can occasionally produce false positives where human writing is flagged as AI content. However, Copyleaks claims one of the lowest false positive rates in the industry at around 0.03% in certain tests. Using appropriate sensitivity settings helps minimize false positives for your specific use case.

L'IA de Copyleaks est-elle fiable ?

Copyleaks AI detection is considered highly reliable with a claimed 99% accuracy rate. The detector is regularly updated to recognize new AI models and writing patterns. However, no AI detector is perfect. Results should be viewed as indicators rather than definitive proof, especially for content that’s been heavily edited.

À quoi sert Copyleaks ?

Copyleaks is used for detecting AI generated content, checking plagiarism, maintaining academic integrity, and protecting content originality. Students use it to verify their work before submission. Educators use it to check étudiant assignments. Content creators use it to ensure originality. Businesses use it to protect against copyright infringement.

À qui appartient Copyleaks ?

Copyleaks was founded in 2015 as an AI text analysis platform. The company is privately held and has grown from a plagiarism detection service to a provider of AI detection and content integrity tools. Their suite is now trusted by millions of users across educational institutions and businesses worldwide.

Which is better, QuillBot or Copyleaks?

QuillBot and Copyleaks serve different purposes. QuillBot is a paraphrasing and writing tool that helps rewrite content. Copyleaks is a detection tool that identifies AI content and plagiarism. If you need to check content for originality, use Copyleaks. If you need to paraphrase or improve writing, utiliser QuillBot.

L'IA de Copyleaks peut-elle détecter toute l'écriture IA ?

Copyleaks can detect content from major AI models including GPT 3, 3.4 and 5, Gemini, Claude, and similar tools. However, heavily edited AI content or text that’s been extensively humanized may be harder to detect. Copyleaks regularly updates its models to catch newer AI writing patterns as technology evolves.