HTML Cleaner & Formatter
Clean messy HTML instantly. Remove unwanted tags, fix formatting issues, and sanitise content copied from emails, AI tools, or any source. Perfect for product descriptions, blog posts, and marketing content.
Choose Cleaning Preset
Output Format
Input HTML
Paste HTML content to clean
Output (Clean HTML)
Clean output will appear here
How to Use the HTML Cleaner
Clean and format HTML in seconds with intelligent cleaning algorithms. Remove problematic formatting while keeping your content structure intact.
1. Paste Your HTML
Copy messy HTML from any source and paste it into the input field.
2. Choose Settings
Select a preset or customise cleaning options to match your workflow.
3. Get Clean Output
Instantly receive cleaned HTML, plain text, or Markdown output.
Common Use Cases
E-commerce Product Descriptions
Clean product descriptions for Shopify, WooCommerce, or any e-commerce platform. Remove unwanted formatting while preserving lists and structure.
Email Content Cleaning
Strip Gmail signatures, Outlook formatting, and email-specific tags so you can reuse the content on the web.
AI-Generated Content
Fix formatting from ChatGPT, Claude, or any AI tool. Remove hidden characters and repair malformed markup.
CMS Migration
Prepare content for migration between WordPress, Drupal, or other platforms by stripping platform-specific markup.
Why Choose Our HTML Cleaner?
Professional-grade cleaning with intelligent algorithms that understand your content. Trusted by developers, marketers, and product teams worldwide.
Instant Processing
Clean HTML in milliseconds directly in your browser. No uploads, no waiting.
- Real-time cleaning while you type
- Handles long-form documents without lag
- Works entirely offline once loaded
Complete Privacy
Your HTML never leaves the browser, so sensitive content stays protected.
- 100% client-side processing
- No analytics, tracking, or storage
- Safe for confidential or proprietary content
Advanced Cleaning Features
Intelligently removes non-standard tags, email signatures, and platform-specific markup while preserving meaningful structure.
Convert HTML to plain text or Markdown without losing hierarchy. Ideal for documentation or CMS migrations.
Fine-grained control over styles, classes, ids, and data attributes. Keep what matters, remove the rest.
See It In Action
Before Cleaning
<div style="font-family: Arial">
<span face="arial">Product</span>
<div><span></span></div>
<p style="margin: 10px;">
Features:<span> </span>
</p>
<div data-smartmail="gmail_signature">
Sent from iPhone
</div>
</div>After Cleaning
<div>
<span>Product</span>
<p>Features:</p>
</div>Removes empty elements, inline styles, non-standard attributes, and email signatures while keeping your content accessible.
Frequently Asked Questions
What types of HTML issues does this tool fix?
The cleaner fixes malformed tags, removes non-standard attributes (like face="arial"), strips email signatures, removes empty elements, normalises whitespace, and tidies inline styles from pasted sources such as Gmail, Outlook, ChatGPT, or Claude.
Is this tool safe for cleaning sensitive HTML?
Yes. Everything runs locally in your browser using JavaScript. Your HTML is never uploaded or stored, making it safe for proprietary code, confidential documents, or regulated content.
Can I customise what gets removed or kept?
Choose from presets such as Basic, Email Clean, or Aggressive, or switch to Custom to control the handling of styles, classes, ids, comments, formatting, tables, and more.
What output formats are available?
Output cleaned content as HTML, plain text, or Markdown so you can reuse it across CMS platforms, documentation, or product workflows.