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Best JPlag Alternatives in 2026

Updated

20 tools from plagiarism checkers ranked against JPlag on the same published basis.

  1. 1
    Noplag Free plan apiLinuxMacself-hostedWeb $9.99/mo7.9
    JPlag vs Noplag
  2. 2
    PlagAware Free plan apiWeb €2.99/mo7.4
    JPlag vs PlagAware
  3. 3
    Plagiarism Detector Free plan WebWin Free7.4
    JPlag vs Plagiarism Detector
  4. 4
    PrePostSEO Plagiarism Checker AndroidapiiOSMacWeb $0.35/mo7.4
    JPlag vs PrePostSEO Plagiarism Checker
  5. 5
    Copyscape Free plan apiself-hostedWeb $4.95/mo7.3
    JPlag vs Copyscape
  6. 6
    Plagius Free trial MacWebWin $4.90/mo7.1
    JPlag vs Plagius
  7. 7
    Compilatio AI Detector Free trial apiWeb 7.0
    JPlag vs Compilatio AI Detector
  8. 8
    Copyleaks AI Detector Free trial apiextensionWeb $1.17/mo7.0
    JPlag vs Copyleaks AI Detector
  9. 9
    Dolos Free plan apiLinuxself-hostedWebWin Free7.0
    JPlag vs Dolos
  10. 10
    PlagiarismSearch Free trial apiextensionWeb $27.95/mo7.0
    JPlag vs PlagiarismSearch
  11. 11
    Quetext AI Detector Free plan apiextensionWeb $7.99/mo7.0
    JPlag vs Quetext AI Detector
  12. 12
    SmallSEOTools Plagiarism Checker Free plan apiextensionWeb $7.84/mo7.0
    JPlag vs SmallSEOTools Plagiarism Checker
  13. 13
    Crossref Similarity Check apiWeb $3.33/mo6.9
    JPlag vs Crossref Similarity Check
  14. 14
    DrillBit AndroidapiiOSWeb 6.9
    JPlag vs DrillBit
  15. 15
    Originality.ai Free plan apiextensionWeb $12.95/mo6.9
    JPlag vs Originality.ai
  16. 16
    Plagiarism Checker X Free plan Win Free6.9
    JPlag vs Plagiarism Checker X
  17. 17
    Plagiarisma Free plan WebWin Free6.9
    JPlag vs Plagiarisma
  18. 18
    Smodin Plagiarism Checker AndroidapiextensioniOSWeb $10/mo6.9
    JPlag vs Smodin Plagiarism Checker
  19. 19
    MOSS Free plan LinuxWeb Free6.8
    JPlag vs MOSS
  20. 21
    StrikePlagiarism Free trial apiself-hostedWeb 6.7
    JPlag vs StrikePlagiarism

JPlag alternatives compared

#ToolScoreFree planFromRuns on
1Noplag7.9Free plan$9.99/moAPI, Linux, Mac, self-hosted, Web, Windows
2PlagAware7.4Free plan€2.99/moAPI, Web
3Plagiarism Detector7.4Free planFreeWeb, Windows
4PrePostSEO Plagiarism Checker7.4$0.35/moAndroid, API, iOS, Mac, Web, Windows
5Copyscape7.3Free plan$4.95/moAPI, self-hosted, Web
6Plagius7.1No$4.90/moMac, Web, Windows
7Compilatio AI Detector7.0API, Web
8Copyleaks AI Detector7.0$1.17/moAPI, Browser, Web
9Dolos7.0Free planFreeAPI, Linux, self-hosted, Web, Windows
10PlagiarismSearch7.0$27.95/moAPI, Browser, Web
11Quetext AI Detector7.0Free plan$7.99/moAPI, Browser, Web
12SmallSEOTools Plagiarism Checker7.0Free plan$7.84/moAPI, Browser, Web
13Crossref Similarity Check6.9$3.33/moAPI, Web
14DrillBit6.9NoAndroid, API, iOS, Web
15Originality.ai6.9Free plan$12.95/moAPI, Browser, Web
16Plagiarism Checker X6.9Free planFreeWindows
17Plagiarisma6.9Free planFreeWeb, Windows
18Smodin Plagiarism Checker6.9$10/moAndroid, API, Browser, iOS, Web
19MOSS6.8Free planFreeLinux, Web
21StrikePlagiarism6.7NoAPI, self-hosted, Web
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Questions about JPlag alternatives

What is the best alternative to JPlag?

Noplag, number 1 in plagiarism checkers with a score of 7.9 out of 10. The others here: PlagAware, Plagiarism Detector, PrePostSEO Plagiarism Checker and 16 more.

What is the best free alternative to JPlag?

Noplag is the best-ranked alternative with a free plan. 11 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.