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Plagiarism Risk Checker

Unplag Plagiarism Checker (Alternative)

Explainable overlap highlights + AI rewrites + citation tips. Compare your draft against references you provide—then export a shareable report.

Start checkingSee features
Unplag Plagiarism Checker (Alternative)FreeExplainableExportableAI rewrites

Compare your draft against references you provide, highlight overlaps, then generate AI rewrites and citation tips.

Tip: longer drafts make overlap signals more stable.

Example: competitor copy, your previous version, or a source paragraph.

Best-effort extraction. Limit: 3 URLs.

Loose catches more overlaps (more false positives). Strict is safer for exact copying.

Make similarity checks actionable

Explainable overlaps

Sentence-level highlights and top overlapping phrases—not just a score.

Reference-friendly

Paste source text or add a few URLs for best-effort extraction.

AI rewrites + citation tips

Get rewrites that preserve meaning, plus guidance on quoting and citing (fallback included).

Exportable report

Copy a summary or export JSON for teams, clients, or review workflows.

Transparent limitations

Clear disclosure on what’s checked, what’s not, and how to interpret results.

How it works

1

Paste draft

Add the text you want to evaluate for overlap risk.

2

Add references

Paste source text and/or provide URLs you want to compare against.

3

Rewrite and export

Generate AI suggestions and export a report for collaboration.

FAQ

Check overlaps, rewrite, and ship

Turn a similarity score into an actionable rewrite plan and an exportable report.

Use the checker

Coverage & limitations

Set correct expectations before you rely on the result.

  • This is a similarity self-check based on the references you provide—no claim of scanning paid or institutional databases.
  • Use overlap highlights to find risky sentences, then rewrite in your own structure and wording.
  • If you used a source’s unique idea or wording, cite it (and quote when wording is close).
  • URLs are extracted on a best-effort basis; some sites may block automated fetching.
  • Do not paste confidential information; export only what you want to keep.
  • No guarantees. Treat outputs as guidance, not legal advice.

Unplag/Unicheck vs this tool

A high-level comparison focused on the workflow you get on this page.

CategoryUnplag/Unicheck (typical)MDZ.ai checker
Free quotaOften limited (demo / word caps)No signup; you control what you paste and compare
ExplainabilityVaries by plan/UISentence-level highlights + top overlaps
Rewrite guidanceMay require upgrade or separate toolsAI rewrites + citation tips (with fallback)
Coverage transparencyMarketing claims can be hard to map to your use caseExplicit: compares against references you provide
Privacy expectationsDepends on vendor policy and accountNo account; avoid sensitive text; AI uses excerpts only

Not affiliated with Unplag/Unicheck. Details may change; verify on the vendor’s official pages.

References

Background links that informed the expectations and comparison on this page:

  • UW Law Library: Plagiarism resources (mentions Unplag free 500-word limit)
  • Quetext: Free plagiarism checker ("Check 500 words for FREE!")
  • Grammarly: Plagiarism checker (Premium feature + database claims)

Related tools

If you’re improving originality and publishing readiness, these tools pair well with a similarity check:

Writable AI Checker

Explainable AI-likeness signals + rewrite plan (with fallback).

AI Overviews Checker

Pre-publish readiness scoring + structure gaps for AI search.

Competitor Analysis

Extract positioning and differentiation ideas from competitor pages.

Independent tool, not affiliated with Unplag/Unicheck. Similarity results are not a plagiarism verdict and do not guarantee compliance with any policy. Avoid sensitive text.

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