Web plagiarism scans
Compares submitted text with publicly available online material
Marketing
Writing & Content
Education & Learning
DupliChecker
Checking short drafts for copied passages is DupliChecker’s main job, and it is best for quick, low-volume originality checks.
Runs on
Web
Available on
Web
Built for
Small Business
Marketing
Education
Everyday Users
Overview
What is DupliChecker?
Checks without setup
Paste text or upload a document, run the scan, and DupliChecker highlights passages that appear elsewhere online. Results link to likely sources and show an originality or plagiarism percentage. The free workflow is handy for occasional checks, though ads, captchas, and word limits make repeated work slower.
Where it earns a tab
- Students: catch copied phrasing and missing citations before submission.
- Editors: screen guest posts or freelance drafts for reused material.
- SEO teams: inspect web copy, then use the companion grammar and paraphrasing tools for revisions.
What to know first
- No installation is required; the service runs in a browser.
- Free checks are designed for shorter text and light use.
- Paid subscriptions raise per-search and monthly word allowances, but tier comparisons get awkward when document volume changes.
Capabilities
Key features
Source match reports
Highlights similar passages and links to possible sources
Document file uploads
Accepts common document formats instead of paste-only input
Grammar correction
Flags basic spelling, punctuation, and sentence issues
Text paraphrasing
Rewrites selected wording through a companion tool
Reverse image lookup
Searches for visually similar images and possible copies
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