Dev tools · alternatives · 2026

24 alternatives to HTML Viewer

Easy to use and test your HTML code.

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

1. 1
   Quick Preview▲113

   Copy/paste and test your HTML code in real-time.

   2024 · quickpreview.dev · its alternatives →

2. 2
   CSSViewer▲237

   A simple CSS property viewer

   2016 · chromewebstore.google.com · its alternatives →

3. 3
   Inspect▲206

   Inspect and debug your web apps on iOS & Android devices

   2020 · inspect.dev · its alternatives →

4. 4
   HTML Editor▲187

   Create HTML snippets with a simple WYSIWYG editor

   2017 · htmleditor.io · its alternatives →

5. 5AI
   An interactive guide to how browsers work▲302

   A guide on how browsers work.

   Jan 2026 · howbrowserswork.com · its alternatives →

6. 6
   Random HTML Tags▲107

   The easiest way to learn HTML

   2016 · its alternatives →

7. 7
   HTML Viewer ▲2

   View and edit html in browser

   2022 · goonlinetools.com · its alternatives →

8. 8
   Browserling▲242

   Live interactive cross-browser testing from your browser.

   2015 · browserling.com · its alternatives →

9. 9
   Web Monitoring by Visualping▲196

   Email alert when something changes on a webpage

   2017 · visualping.io · its alternatives →

10. 10
    Web Inspector▲107

    Inspect, debug, and extract — all in one web tool

    2025 · chromewebstore.google.com · its alternatives →

11. 11
    CodePen▲109

    HTML, CSS, and JavaScript editor in the browser.

    2014 · codepen.io · its alternatives →

12. 12
    Online XML Viewer▲9

    Represent your XML data in convenient way

    2017 · countwordsfree.com · its alternatives →

13. 13
    PageGauge▲92

    Quickly assess your website's usability

    2015 · its alternatives →

14. 14
    VisualPing for Chrome▲77

    New Chrome extension to monitor a website/area of a website

    2014 · chromewebstore.google.com · its alternatives →

15. 15
    Website Image Speed Test▲109

    Beautiful & easy free analysis of the images on your page

    2017 · webspeedtest.cloudinary.com · its alternatives →

16. 16
    Web Highlighter▲66

    Annotate and discuss web pages in real time.

    2022 · webhighlighter.com · its alternatives →

17. 17
    Docs Online Viewer▲104

    View any file online, directly in your browser

    2016 · dov.parishod.com · its alternatives →

18. 18
    XML Viewer▲4

    Good to have tool for Rainy Days For XML Lovers.

    2018 · jsonformatter.org · its alternatives →

19. 19
    VisualPing▲133

    Get notified on visual changes of a website or website area

    2014 · visualping.io · its alternatives →

20. 20
    HTML Reference▲15

    A guide to all HTML5 elements and attributes

    2017 · htmlreference.io · its alternatives →

21. 21HT
    HTMLify - Turn code snippets into HTML, for tech bloggers▲27

    2013 · htmlify.net · its alternatives →

22. 22
    Inspect – DevTool to debug Safari and WebViews on iOS devices▲75

    Agent-first mobile web debugging for iOS and Android. Give Claude, Codex, Cursor, and other coding agents real-device DOM, console, network, and screenshots.

    2020 · inspect.dev · its alternatives →

23. 23
    HTMLify▲7

    Turn your code into pluggable HTML

    2016 · its alternatives →

24. 24
    EasyHTML▲8

    A Free, clean and simple HTML code formatter and previewer.

    2025 · chromewebstore.google.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 →