Best JSFiddle Alternatives in 2026

20 apps from coding playgrounds ranked against JSFiddle on the same published basis.

  1. 1JSFiddle vs Replit
  2. 2JSFiddle vs GitHub Codespaces
  3. 3JSFiddle vs Playcode
  4. 4JSFiddle vs JupyterLab
  5. 5JSFiddle vs Coder
  6. 6JSFiddle vs AWS Cloud9
  7. 7JSFiddle vs Datalore
  8. 8JSFiddle vs Deepnote
  9. 9JSFiddle vs CodePen
  10. 10JSFiddle vs Google Colab
  11. 11JSFiddle vs StackBlitz
  12. 12JSFiddle vs Kaggle Notebooks
  13. 13JSFiddle vs Observable
  14. 14JSFiddle vs Val Town
  15. 15JSFiddle vs JDoodle
  16. 17JSFiddle vs Lightning AI Studios
  17. 18JSFiddle vs Theia IDE
  18. 19JSFiddle vs Scratch
  19. 20JSFiddle vs Arduino Cloud Editor
  20. 21JSFiddle vs Anaconda Notebooks

JSFiddle alternatives compared

#AppScoreFree planFromRuns on
1Replit8.4Free plan$18/moAndroid, iOS, Linux, Mac, Web, Windows
2GitHub Codespaces8.2Free plan$0.07/moAndroid, API, Browser, iOS, Linux, Mac, Web, Windows
3Playcode8.1Free plan$25/moAndroid, iOS, Linux, Mac, Web, Windows
4JupyterLab8.0Free planFreeLinux, Mac, self-hosted, Web
5Coder8.0Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
6AWS Cloud97.9Free planFreeLinux, Web
7Datalore7.9Free plan—API, Linux, self-hosted, Web
8Deepnote7.9Free plan$3,920/moAPI, Browser, Linux, Mac, self-hosted, Web, Windows
9CodePen7.8Free plan$8/moAPI, Web
10Google Colab7.8Free plan—API, Browser, Web
11StackBlitz7.8Free planFreeAPI, self-hosted, Web
12Kaggle Notebooks7.7Free planFreeAPI, Web
13Observable7.7Free plan$2,225/moself-hosted, Web
14Val Town7.7Free plan$21/moAPI, Web
15JDoodle7.7Free plan—Android, API, Browser, iOS, Web
17Lightning AI Studios7.6Free plan—API, Web
18Theia IDE7.6Free planFreeBrowser, Linux, Mac, self-hosted, Web, Windows
19Scratch7.6Free plan$2.92/moAndroid, Mac, Web, Windows
20Arduino Cloud Editor7.6Free plan$1.67/moAndroid, Linux, Mac, Web, Windows
21Anaconda Notebooks7.5Free plan$15/moWeb
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Questions about JSFiddle alternatives

What is the best alternative to JSFiddle?

Replit, number 1 in coding playgrounds with a score of 8.4 out of 10. The others here: GitHub Codespaces, Playcode, JupyterLab and 16 more.

What is the best free alternative to JSFiddle?

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

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.