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Developer & Web Security Suite

HTML Beautifier, Sanitizer, Live Viewer & Search

Format unreadable markup, sanitize malicious or noisy DOM nodes, strip inline styles & tracking attributes, search keywords in real-time, and render live sandboxed previews — 100% in your browser.

HTML Beautifier, DOM Sanitizer & Security Recon

100% Client-Side

Fingerprint frameworks • Extract hidden APIs & tokens • Audit DOM attack surface • Beautify & live preview

Raw HTML Source:2703 bytes
56 raw linesReal-time instant parsing
Tech Stack & Framework Fingerprints (3)
Laravel (PHP Framework)Explicit Laravel metadata signature
Backend EngineHigh (100%)
Tailwind CSSTailwind utility class patterns (sm:, md:, dark:bg-*, items-top)
Frontend CSS FrameworkHigh (95%)
Normalize.cssEmbedded Normalize.css v8.0.1 header
CSS ResetHigh (100%)
Hardcoded Secrets & Sensitive Tokens (4)
Google API KeyAIzaSyD-98472918472_SECURE_TOKEN_SAMPLE
high risk
Generic API Key / Secret TokenAIzaSyD-98472918472_SECURE_TOKEN_SAMPLE
high risk
Internal Private Hostname / IPstaging-api.securestack.internal
medium risk
Internal Private Hostname / IPdb-cluster-node-01.us-east.aws.internal
medium risk
Extracted Attack Surface & Endpoints (6)
https://staging-api.securestack.internalapi
https://api.securestack.io/v2/auth/loginapi
/api/v1/auth/session-tokenapi
https://support.example.com/docs/firewall-rulesexternal
javascript:void(0)javascript
/api/internal/debugapi
Developer Comments & Notes (4)
<!-- Head metadata & internal dev notes -->
<!-- TODO: remove staging endpoint https://staging-api.securestack.internal before production release -->
<!-- Login form for credential validation -->
<!-- Empty tag demo -->
Client-Side DOM Threats & Misconfigurations (5)
Inline Event HandlerMedium Risk

Inline executable code (onsubmit) violates Strict Content Security Policy (CSP).

<form onsubmit="console.log(">
Inline Event HandlerMedium Risk

Inline executable code (onclick) violates Strict Content Security Policy (CSP).

<button onclick="alert(">
Inline Event HandlerMedium Risk

Inline executable code (onclick) violates Strict Content Security Policy (CSP).

<a onclick="location.href=">
Reverse Tabnabbing VulnerabilityLow Risk

External link missing rel='noopener noreferrer' allowing window.opener access.

<a href="https://support.example.com/docs/firewall-rules" target="_blank">
JavaScript Pseudo-ProtocolHigh Risk

Execution of script via href allows DOM-based script injection.

<a href="javascript:void(0)" onclick="location.href='/api/internal/debug'">
Clean Size2654 B
Saved1.8%
Elements22
Clean Lines62

Smart Indentation & Beautify

Instantly indents nested DOM hierarchies, properly handles void tags, strips redundant whitespace, and formats tags cleanly.

DOM Sanitization & Cleaning

Remove <script> tags, strip inline styles, purge tracking data-* attributes, empty container tags, and remove HTML comments.

Live Sandboxed Preview & Search

Switch between syntax-highlighted searchable code and an isolated iframe preview with instant keyword match counts.