Plagiarism Check Online: Upload, Wait 15 Minutes, Get Your Report
The simplest online plagiarism check available. Upload your paper, close the browser, and get a professional report in your inbox in just 15 minutes. Powered by PlagAware. 70+ billion sources · From $0.29/page · No registration.
What Is a Plagiarism Check Online?
A plagiarism check online is a web-based service that compares your submitted text against a database of billions of sources to detect matching or substantially similar passages. Unlike free browser tools, a professional online plagiarism check uses the same university-grade engine (PlagAware) that academic institutions deploy internally — searching academic journals, university theses, websites, and student paper databases.
The key advantage of running your check online is convenience: you upload your document, close the browser, and receive a detailed PDF report by email in 15 minutes. No software to install. No account to manage. The report shows your overall similarity score, color-coded highlights per match type, and clickable source links for every flagged passage.
Online Plagiarism Check: The Complete Process
Everything you need to know about how the online check works from start to finish.
Upload Your Document
Navigate to the order page. Upload your document (PDF, DOCX, TXT, RTF, or ODT). Enter your email address. Choose your check type — plagiarism only ($0.29/page), AI only ($0.29/page), or Combo ($0.39/page). Complete secure payment.
Check Runs Automatically
PlagAware processes your document automatically — no action needed from you. The software segments your text and checks every sentence against 70+ billion sources. You can close your browser entirely.
Report Arrives by Email
Within 15 minutes (occasionally up to 24 hours for very large files), your PDF report is emailed to you. Open it to see highlighted matches, similarity percentage, and source links for every finding.
What the Online Plagiarism Check Detects
The online check goes beyond simple copy-paste detection. It identifies four distinct forms of text reuse and flags them all in a single report.
Direct Plagiarism
Word for word copies from any source without citation. Highlighted in red with source link.
Paraphrase Plagiarism
Ideas taken and reworded without attribution. Highlighted in yellow when structural matches are found.
Synonym Substitution
Replacing key words with synonyms to mask copied text. Highlighted in orange by pattern analysis.
Self-Plagiarism
Reuse of your own previously submitted or published work without disclosure. Also detected and flagged.
Everything Included in Your Online Plagiarism Check
One upload, one payment — a professional plagiarism report using university-grade technology, delivered to your email.
70+ Billion Sources
Web, academic journals, dissertations, books, and student paper databases.
Color-Coded PDF Report
Red, yellow, and orange highlights per match type — easy to interpret at a glance.
Overall Similarity Score
Single summary score so you know your risk level immediately.
Direct Source Links
Clickable URLs to every matched source found in your document.
Page-by-Page Breakdown
See exactly which pages and passages contain flagged content.
Paraphrase Detection
Catches synonym swaps and reworded content — not just direct copy-paste.
Results in 15 Minutes
Delivered by email — ready to review well before any deadline.
Interactive Dashboard
Review results online, dismiss false positives, and filter by match type.
Trusted by universities and research institutions across Europe — the same technology your institution uses internally to review submitted papers.
Max. 50 MB · up to 999 pages
Simple, Transparent Pricing
Pay per page. No subscription. Minimum order $0.90.
Online plagiarism check with email report.
- 70+ billion sources
- Results in 15 minutes
- Delivered by email
- Interactive dashboard
Online plagiarism + AI check. Save 33%.
- Full plagiarism check
- + AI content detection
- ChatGPT & LLM detection
- Save 33% vs separate
Online AI content detection via email report.
- ChatGPT detection
- All major LLMs covered
- Results in 15 minutes
- PDF report by email
Minimum Charge $0.90
Plagiarism Check Online, Frequently Asked Questions
You upload your document at our order page, select your check type, and complete a secure payment. PlagAware runs the analysis automatically against 70+ billion sources. Within 15 minutes, a detailed PDF report arrives in your inbox with all matches highlighted and linked to their sources.
No. Once you have uploaded your document and completed the order, you can close the browser entirely. The result is emailed to you as soon as the check is complete, typically within 15 minutes. You will receive the report whether or not the browser tab is still open.
Yes. PlagAware uses semantic analysis to detect not only direct word-for-word copies but also paraphrased content (same meaning, different wording), synonym substitution (key words replaced with synonyms), and structural imitation. This makes the online check significantly more thorough than free browser tools.
Yes. All uploads are encrypted via HTTPS. Your document is processed on servers in Germany under EU GDPR data protection regulations. It is never shared with third parties or added to any searchable database.
Your result is delivered as a PDF report to the email address you provide during checkout. The report contains color-coded highlights and source links for every match found — red for direct copies, yellow for paraphrases, orange for synonym swaps. You can also view results interactively in your personal online dashboard.
Pricing is based on the number of standard pages in your document. One standard page equals 1,800 characters including spaces — the international academic standard. We calculate the page count automatically from your uploaded file. A Plagiarism Scan costs $0.29 per page, with a minimum charge of $0.90.
We accept major credit cards and debit cards via our secure payment provider. Payments are processed over HTTPS and your card details are never stored on our servers. The minimum payment is $0.90.
Yes. We offer a 100% money-back guarantee. If you do not receive your report within the expected time frame, or if there is a technical issue preventing a valid scan result, we will refund your payment in full — no questions asked. Contact us at kontakt@ai-checker-online.com.