Free Online Cookie Formatter - Convert Cookie Header to JSON

Cookie Header to JSON Parser

Key Features

• Instantly parse HTTP Cookie header into structured JSON.
• Automatically trims whitespace and decodes URL encoded values.
• Duplicate keys preserved optionally (shown in array when repeated).
• Client-side only: privacy friendly.
• One-click copy & clear.

How to Use?

• Paste the full Cookie header string (e.g. name=value; theme=light; sessionToken=abc).
• Click "Format" or type to see live JSON output.
• Use Copy button to copy JSON.