- Free plagiarism checker: Use the web checker without a subscription.
- Paste or upload: Enter text directly or add a supported file.
- 10,000-character input: The current page displays a 10,000-character counter.
- Match highlighting: Review passages that the tool links to similar online material.
- Related writing tools: Move between plagiarism, grammar and other writing utilities on Plagly.
Plagly Free Plagiarism Checker
Completely free AI-powered plagiarism checker with instant originality reports
Updated August 11, 2026
Plagly Free Plagiarism Checker Overview
Plagly is a browser-based plagiarism checker for pasted text and uploaded files. It highlights possible online matches and sits alongside grammar and other writing tools on the same site.
The simple workflow makes it suitable for an initial scan. Writers should open the matched sources and review the context instead of relying on the result alone.
Key Features
Pricing
| Plan | Price | What is included |
|---|---|---|
| Free checker | $0 | Paste or upload up to the 10,000-character input shown on the official page |
Pricing source: official pricing page.
Pros
Compared with |
Why this product may fit better |
|---|---|
| Quetext | Plagly presents its web checker as free and shows a 10,000-character input. Quetext's free tier is capped by words, so Plagly may be easier for a quick short-text check. |
| Grammarly | Plagly keeps plagiarism and grammar tools on one website without asking the user to buy a plan for the checker. Grammarly offers a stronger editing experience, while Plagly is simple for a one-off scan. |
Cons
Compared with |
Where this product may fall short |
|---|---|
| Quetext | Quetext publishes clearer plan limits, report features and support options. Plagly gives little public detail about its matching coverage, and its browser add-on has only four reviews. |
| Grammarly | Grammarly has actively maintained apps and extensions used throughout the writing process. Plagly's old Firefox add-on drew reports that its button did not work, so the web checker is the safer route to evaluate. |
Reviews
- Mozilla Add-ons: 3/5 from 4 reviews for the Plagly Firefox add-on. One user found it helpful, while two reported that the button failed or the useful service required payment. This tiny sample rates the add-on, not the current web checker as a whole.
