HTML Cleaner
Sanitize and clean HTML content with ease.
A powerful utility to remove malicious scripts, unwanted tags, and sanitize HTML strings to ensure safe rendering in your applications.
How it works
Three steps. No complex setup.
Input HTML
Provide the raw HTML string that needs to be sanitized and specify the allowed tags.
Sanitization Process
The engine parses the HTML, removing any scripts, event handlers, and tags not included in the allowlist.
Clean Output
Receive a safe, cleaned HTML string ready for secure rendering in your frontend.
Who is it for?
Response example
Real input and output. What you send and what you get back.
// Input
{
"html": "<p>Hello <script>alert('xss')</script> <strong>World</strong></p>",
"allowedTags": [
"p",
"strong"
]
}// Output
{
"cleaned": "<p>Hello <strong>World</strong></p>",
"tagsRemoved": 1,
"originalLength": 65,
"cleanedLength": 37
}Try it now
// live demo — no account needed to try
Playground
Integrate into your project
Copy and paste. Replace YOUR_API_KEY with your real key.
curl -X POST https://jsnhengine.com/api/trpc/htmlCleaner.clean \
-H "Content-Type: application/json" \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{"json": {"html":"<p>Hello <script>alert('xss')</script> <strong>World</strong></p>","allowedTags":["p","strong"]}}'Why choose JSNH Engine Lab
Low latency
Responses in under 200ms
Secure authentication
API keys with per-plan rate limiting
Usage tracking
Every request logged with metrics
Production ready
Input validation and typed errors
Frequently asked questions
Everything you need to know before integrating.
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// production ready
Start using HTML Cleaner
Sign up free and get 1,000 tokens to start. No credit card. No complex setup.