HTML Formatter & Previewer — Free Online Tool
Instantly clean and format your messy or minified HTML code. Customize indentation and preview your HTML live, all from your browser.
Similar Tools
Similar Tools
Similar Tools
Similar Tools
Similar Tools
JSON Formatter
Format, beautify, and explore raw JSON with indentation control and a live tree view. Perfect for debugging, APIs, and configuration data.
CSS Formatter
Format, clean, and optionally sort your CSS properties alphabetically. Perfect for developers, designers, and teams looking to maintain clean, readable stylesheets.
JavaScript Formatter
Format, clean, and standardize your JavaScript code with indentation, semicolon, and quote style options. Perfect for developers and learners alike.
SQL Formatter
Beautify and structure your SQL queries with indentation and keyword styling. Ideal for developers, analysts, and students working with databases.
XML Formatter
Format, indent, and self-close XML tags for cleaner structure and improved readability — ideal for APIs, sitemaps, RSS feeds, and more.
YAML to JSON Converter
Convert between YAML and JSON formats instantly with real-time two-way editing and customizable JSON output.
Beautify and Preview HTML Instantly
Whether you're working on a landing page, email template, CMS export, or hand-coded site, ToolMateX helps you clean up your HTML fast. Just paste in your code, choose your indentation style, and see the output live — complete with an interactive preview.
Key Features
- ✅ Format raw or minified HTML into clean, readable code
- ✅ Customize indentation: tabs or 1–10 spaces
- ✅ View changes instantly with real-time formatting
- ✅ Live preview of rendered HTML in a secure iframe
- ✅ Copy to clipboard or download as HTML file
- ✅ Fully browser-based — your code stays local
Use Cases
- 💻 Developers formatting messy template code
- 📝 Writers cleaning HTML from editors or exports
- 📩 Designers previewing email HTML structure
- 🎓 Students learning how HTML is structured
- 🔍 Debugging raw HTML from CMSs or plugins
How to Use
- Paste or write your HTML into the input area
- Select tab or space indentation (1–10)
- View the beautified HTML instantly on the right
- Scroll down to preview how it renders
- Copy or download the formatted version as needed
Why Use ToolMateX?
ToolMateX is built by developers, for developers. It’s fast, clean and fully focused on making your workflow smoother. With no ads, no logins, and no distractions — just tools that work.
Frequently Asked Questions (FAQs)
Why Use ToolMateX
Tired of bloated tool websites with 10 ads per click? This platform is built for speed, simplicity, and reliability. Whether you're debugging JSON or testing colors, we’ve got your back.
Free to Use, Forever
All tools run right in your browser, fast, reliable, and available whenever you need them. No ads, and nothing to install.
Works Offline (Most of Them)
Most of my tools work directly in your browser without needing a server. Perfect for fast workflows (even if you’re offline).
Made by a 1-Person Team
Made by someone who actually uses these tools daily. It’s fast, clean, and made with your workflow in mind, not corporate KPIs.