Dev tools · alternatives · 2026

24 alternatives to HTMLPen.com

HTML Editor, Code Playground & Publishing, Large File Viewer

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. HTMLPen.com launched in 2018; newer entries below may have overtaken it.

1. 1
   CodePen▲109

   HTML, CSS, and JavaScript editor in the browser.

   2014 · codepen.io · its alternatives →

2. 2
   CodePen Projects▲288

   A web based IDE for building websites by CodePen

   2017 · codepen.io · its alternatives →

3. 3
   Indiepen▲111

   Privacy-friendly tool to embed HTML, CSS & JS code examples

   2021 · indiepen.tech · its alternatives →

4. 4
   CodePen▲11

   Front-End Developer Playground & Code Editor in the Browser

   2015 · codepen.io · its alternatives →

5. 5
   Web-Playground – An Enjoyable Playground for HTML, JavaScript and CSS▲13

   An enjoyable playground for HTML, JavaScript and CSS - d6u/web-playground

   2015 · github.com · its alternatives →

6. 6
   HTML Email▲783

   Responsive HTML email templates for startups & developers

   2016 · htmlemail.io · its alternatives →

7. 7
   ZenPen▲125

   The minimal writing tool of web

   2014 · zenpen.io · its alternatives →

8. 8
   HTML-Notepad – A WYSIWYG editor of structured documents▲95

   2018 · html-notepad.com · its alternatives →

9. 9
   Devpen▲125

   A GitHub style Markdown editor ✍️

   2018 · its alternatives →

10. 10
    CodePen: Online Code Editor▲16

    Build, share, and learn JavaScript, CSS, and HTML editor.

    2021 · codepen.io · its alternatives →

11. 11
    CodeSwing – A CodePen-like interactive playground, built into VS Code▲159

    VS Code extension for building web applications ("swings") using a interactive and editor-integrated coding environment - lostintangent/codeswing

    2020 · github.com · its alternatives →

12. 12
    Web Maker 2.0▲164

    A blazing fast and offline web playground

    2017 · its alternatives →

13. 13
    HTML Editor▲187

    Create HTML snippets with a simple WYSIWYG editor

    2017 · htmleditor.io · its alternatives →

14. 14
    LiveWeave▲6

    HTML, CSS And Javascript Online Editor

    2018 · liveweave.com · its alternatives →

15. 15
    html.earth▲195

    a tiny static site generator for writers

    2023 · html.earth · its alternatives →

16. 16DM
    Devpen – Markdown Editor with GitHub Style▲70

    2018 · devpen.io · its alternatives →

17. 17
    TinyMCE▲129

    Full featured web based JavaScript WYSIWYG HTML Editor

    2016 · tiny.cloud · its alternatives →

18. 18
    Assembly HTML▲217

    With self deployable drag and drop website builder

    2016 · assemblyline.in · its alternatives →

19. 19
    SMASHDOCs 2.0▲98

    A simple, easy-to-use web editor

    2017 · smashdocs.net · its alternatives →

20. 20AS
    A simple way to make HTML websites▲200

    A simple way to make HTML websites

    2020 · john-doe.neocities.org · its alternatives →

21. 21
    prosepen▲90

    An all in one site for creative writers

    2021 · its alternatives →

22. 22
    Run In Playground▲112

    A chrome extension for running selected text in CodePen

    2020 · chromewebstore.google.com · its alternatives →

23. 23
    Cornerpen▲12

    Pdf, image, music, productivity, typing and other tools

    2025 · cornerpen.com · its alternatives →

24. 24
    Wandpen▲137

    AI Rewriter that works where you write

    2024 · wandpen.com · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →