Dev tools · alternatives · 2026

24 alternatives to Online HTML Viewer

Edit HTML & CSS in Real-Time with Lightning Speed.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1
CODECAST▲254
HTML & CSS editor in your browser with real-time previews
2015 · its alternatives →
2AV
A VSCode Extension to edit HTML visually in real-time▲231
2024 · github.com · its alternatives →
3
HTML Editor▲187
Create HTML snippets with a simple WYSIWYG editor
2017 · its alternatives →
4
Live Code Editor Seven▲11
Real-time html, css & javascript editor and html converter
2025 · its alternatives →
5
Devsync▲328
Visually edit CSS. Live-sync the result with your editor.
2020 · its alternatives →
6IB
I built an online image editor using WebGL and CSS transforms▲425
2019 · pqina.nl · its alternatives →
7
Quick Preview▲113
Copy/paste and test your HTML code in real-time.
2024 · its alternatives →
8
Visual CSS Inspector▲7
Edit css visually in real-time | css learning tool
Nov 2025 · cssvisualinspector.com · its alternatives →
9AF
A fast, minimal and offline-friendly web playground▲50
I built a web-based HTML/CSS/JS editor focused on speed, simplicity, and offline access. No bloat — just open and start coding. What makes it different: Live Preview – Edit HTML, CSS, and JS side-by-side with instant feedback. Offline support – Works without internet. You can even install it as a PWA and use it like a native app. No Login Required – Just visit, code, and preview. Login only if you want to save/share. Savable & Shareable Links – Save scripts in the cloud and get shareable links. Customizable Editor – Themes, fonts, auto-format on save, layout tweaks, line…
2025 · scriptpad.dev · its alternatives →
10AV
A visual HTML5 animation editor in your browser▲295
2014 · animatron.com · its alternatives →
11
Realtime HTML Editor▲2
Preview and edit html code in browser
2022 · its alternatives →
12
Visual Editor▲502
Edit web apps visually in the Cursor Browser
Dec 2025 · cursor.com · its alternatives →
13AI
An in-browser text editor to easily create static HTML▲140
2022 · triplelog.com · its alternatives →
14SI
Scratchpad.io - a real-time HTML and CSS editor▲298
2012 · scratchpad.io · its alternatives →
15OA
OverType – A Markdown WYSIWYG editor that's just a textarea▲471
Hi HN! I got so frustrated with modern WYSIWYG editors that I started to play around with building my own. The problem I had was simple: I wanted a low-tech way to type styled text, but I didn't want to load a complex 500KB library, especially if I was going to initialize it dozens of times on the same page. Markdown in a plain was the best alternative to a full WYSIWYG, but its main drawback is how ugly it looks without any formatting. I can handle it, but my clients certainly can't. I went down the ContentEditable rabbit hole for a few years, but always came to realize others had solved it…
2025 · its alternatives →
16
CSS Grab n' Go Editor▲213
Visual editor for learning and quick CSS mocking
2020 · its alternatives →
17
Scalable▲144
Make any HTML element dynamically scaled (like css contain)
2017 · its alternatives →
18
CSS Wand▲329
Easy copy-paste beautiful CSS animations
2019 · its alternatives →
19
Markdown Preview▲211
Markdown Editor with instant preview using GitHub CSS.
2022 · its alternatives →
20
Realtime HTML Editor 2.0▲2
Preview and share HTML File
2023 · its alternatives →
21
tiiny web editor▲259
The simplest web editor for any HTML template
2023 · its alternatives →
22
UI Inspector▲112
Visual CSS editor for Google Chrome
Feb 2026 · chromewebstore.google.com · its alternatives →
23
CSS Scan 3.0▲256
The fastest and easiest way to check, copy and edit CSS
2022 · its alternatives →
24
CSS Spider▲122
The fastest way to check, copy, export and edit CSS
2020 · its alternatives →

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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 →