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Best JPlag Alternatives in 2026

Updated

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

  1. 1
    Noplag Free plan apiLinuxMacself-hostedWeb $9.99/mo8.0
    JPlag vs Noplag
  2. 2
    PlagAware Free plan apiWeb €2.99/mo7.7
    JPlag vs PlagAware
  3. 3
    Plagiarism Detector Free plan WebWin Free7.7
    JPlag vs Plagiarism Detector
  4. 4
    Copyscape Free plan apiself-hostedWeb $4.95/mo7.6
    JPlag vs Copyscape
  5. 5
    Compilatio AI Detector Free trial apiWeb 7.1
    JPlag vs Compilatio AI Detector
  6. 6
    Quetext AI Detector Free plan apiextensionWeb $7.99/mo7.1
    JPlag vs Quetext AI Detector
  7. 7
    SmallSEOTools Plagiarism Checker Free plan apiextensionWeb $7.84/mo7.1
    JPlag vs SmallSEOTools Plagiarism Checker
  8. 8
    Copyleaks AI Detector Free trial apiextensionWeb $1.17/mo7.0
    JPlag vs Copyleaks AI Detector
  9. 9
    Crossref Similarity Check apiWeb $3.33/mo7.0
    JPlag vs Crossref Similarity Check
  10. 10
    Originality.ai Free plan apiextensionWeb $12.95/mo7.0
    JPlag vs Originality.ai
  11. 11
    Plagiarism Checker X Free plan Win Free7.0
    JPlag vs Plagiarism Checker X
  12. 12
    PlagiarismSearch Free trial apiextensionWeb $27.95/mo7.0
    JPlag vs PlagiarismSearch
  13. 13
    Plagius Free trial MacWebWin $4.90/mo7.0
    JPlag vs Plagius
  14. 14
    Dolos Free plan apiLinuxself-hostedWebWin Free6.9
    JPlag vs Dolos
  15. 15
    Plagiarisma Free plan WebWin Free6.9
    JPlag vs Plagiarisma
  16. 16
    PrePostSEO Plagiarism Checker AndroidapiiOSMacWeb $0.35/mo6.9
    JPlag vs PrePostSEO Plagiarism Checker
  17. 17
    MOSS Free plan LinuxWeb Free6.8
    JPlag vs MOSS
  18. 19
    StrikePlagiarism Free trial apiself-hostedWeb 6.7
    JPlag vs StrikePlagiarism
  19. 20
    Smodin Plagiarism Checker AndroidapiextensioniOSWeb $10/mo6.6
    JPlag vs Smodin Plagiarism Checker
  20. 21
    DrillBit AndroidapiiOSWeb 6.4
    JPlag vs DrillBit

JPlag alternatives compared

#PlatformScoreFree planFromRuns on
1Noplag8.0Free plan$9.99/moAPI, Linux, Mac, self-hosted, Web, Windows
2PlagAware7.7Free plan€2.99/moAPI, Web
3Plagiarism Detector7.7Free planFreeWeb, Windows
4Copyscape7.6Free plan$4.95/moAPI, self-hosted, Web
5Compilatio AI Detector7.1API, Web
6Quetext AI Detector7.1Free plan$7.99/moAPI, Browser, Web
7SmallSEOTools Plagiarism Checker7.1Free plan$7.84/moAPI, Browser, Web
8Copyleaks AI Detector7.0$1.17/moAPI, Browser, Web
9Crossref Similarity Check7.0$3.33/moAPI, Web
10Originality.ai7.0Free plan$12.95/moAPI, Browser, Web
11Plagiarism Checker X7.0Free planFreeWindows
12PlagiarismSearch7.0$27.95/moAPI, Browser, Web
13Plagius7.0No$4.90/moMac, Web, Windows
14Dolos6.9Free planFreeAPI, Linux, self-hosted, Web, Windows
15Plagiarisma6.9Free planFreeWeb, Windows
16PrePostSEO Plagiarism Checker6.9$0.35/moAndroid, API, iOS, Mac, Web, Windows
17MOSS6.8Free planFreeLinux, Web
19StrikePlagiarism6.7NoAPI, self-hosted, Web
20Smodin Plagiarism Checker6.6$10/moAndroid, API, Browser, iOS, Web
21DrillBit6.4NoAndroid, API, iOS, 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 8.0 out of 10. The others here: PlagAware, Plagiarism Detector, Copyscape 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 how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.