Plagiarism Checker Tools and Pricing Guide
plagiarism-checker-online.net Editorial Team | Updated October 3, 2026
The short version: Pick a checker by what it searches, what its report shows and how it charges, not by the size of its marketing claims. Free tools are fine for quick self-checks and for tasks such as formatting or reference checks. For a graded paper, use a scan that shows every match with its source. This page explains what to compare and where our tools fit.
Disclosure: this site sells plagiarism and AI scans, so read our comparisons with that in mind.
Plagiarism checkers look similar from the outside: you upload text, you get a percentage. Underneath, they differ a lot in what they search and what they show. The questions below help you compare them without a spreadsheet.
What to Compare
| Question | Why it matters |
|---|---|
| What does it search? | Public web, journals, a pool of past submissions, or a mix. Coverage decides what it can find. |
| What does the report show? | Matches with source links let you judge. A bare percentage does not. |
| How do you pay? | Subscription, per document or per page. Occasional use favors pay per page. |
| What happens to your document? | Check whether it is stored, shared or added to a pool. See the privacy policy. |
| How fast is it? | Minutes or days matters close to a deadline. |
Reviews and Comparisons
- Best Plagiarism Checker 2026 compares Turnitin, PlagAware, Grammarly, Copyscape and iThenticate on price, accuracy and database size.
- Plagiarism Checker Tools Review 2026 covers the pros, cons and use cases of the same tools.
- PlagAware Review explains what the engine behind our scans checks, what is free and what is paid.
- Best AI Detector 2026 compares AI detectors, which is a different job from plagiarism checking.
How Our Scans Work and What They Cost
You upload a document, choose a scan and pay per page. Our scans use PlagAware, which compares your text with public sources on the web. It does not access paywalled articles and it does not keep a pool of submitted papers. You get a PDF report, usually in about 15 minutes.
| Scan | Price |
|---|---|
| Plagiarism Scan | $0.29 per page |
| AI Scan | $0.29 per page |
| Combo (Plagiarism + AI) | $0.39 per page |
One page is 1,800 characters including spaces, and the minimum order is $0.90, also after a discount. There is no subscription and no registration. Use the word count and standard page calculator to estimate your price, and see the pricing page for the full details.
Free Tools
Some tasks do not need a scan. These tools run without an account:
- Citation Generator for APA 7, MLA 9, Harvard, and Chicago, with DOI lookup and export to Word, RIS and BibTeX.
- Source Check compares up to 20 references with Crossref.
- Document Check compares two versions of a text and counts words and standard pages.
- Writing Coach flags long sentences, passive voice and filler words.
- AI Usage Statement creates a disclosure and a usage log.
Paid AI writing tools for proofreading, rephrasing, summaries, APA citation checks and a pre-submission review are listed on the tools page. Each shows its price before you pay.
Which Checker for Which Document
- Essays and student papers
- Thesis and dissertation
- Research papers
- AI checker and ChatGPT detector for AI scans
Try a Scan
Upload your paper, see the price before you pay, and get a report in about 15 minutes. No subscription.
Start a Check Free Tools See PricingFrequently Asked Questions
What should I compare when choosing a plagiarism checker?
Compare what it searches, what the report shows, how you pay, how your document is handled and how fast you get a result. A tool that shows each match with its source is more useful than one that shows only a percentage.
Are free plagiarism checkers enough?
For a quick self-check of a short text, they can help. For a graded paper or a thesis, check what the free tool actually searches, whether it limits length, and whether it gives you a report you can read in full. Free checks often cover less than a full scan.
How is pricing calculated here?
Per page, where one page is 1,800 characters including spaces. A Plagiarism Scan or an AI Scan costs $0.29 per page and the Combo costs $0.39 per page. The minimum order is $0.90 and there is no subscription.
Which free tools do you offer?
A citation generator, a source check against Crossref, a document check, a writing coach and an AI usage statement tool. They run without an account. Paid AI writing tools for proofreading, rephrasing, summaries, APA citation checks and a pre-submission review are listed on the tools page, with the price shown before you pay.