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HTML Attribute Remover - Online Clean Up Markup

Developer Tools Formatter attribute clean HTML remove
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HTML Attribute Remover

Paste your HTML code below, choose what attributes to strip, and get clean, lightweight markup instantly. All processing is local and private.

No attributes removed yet.
Options
Tip: use data-* to strip all data attributes.

Frequently Asked Questions

It removes HTML attributes you don't need (like class, style, id, custom data attributes) from your markup while keeping the structure intact. You can strip everything or choose exactly what to remove or keep.

Absolutely. All processing is done inside your browser – no HTML is ever uploaded to a server. Your code stays private and secure.

Yes! Enable “Always preserve essential attributes” to protect href, src, alt, and title. You can also use the “Keep only specific attributes” mode to define your own whitelist.

Using data-* as an attribute name will match every attribute that starts with data- (like data-toggle, data-index). This lets you strip all custom data attributes in one go.

It uses the browser’s built‑in HTML parser, so it handles real‑world markup (even if slightly invalid) gracefully. Only attributes are removed; element structure, text content, and comments are left untouched.

Check the “Remove attributes with empty values” option. It will delete any attribute whose value is an empty string (e.g., disabled="" or readonly="").
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