Cookie String Header Parser

Parse HTTP Cookie header strings (name=value; pairs) into structured key-value maps.

How It Works & Processing Standards

Parse HTTP Cookie header strings (name=value; pairs) into structured key-value maps.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

Cookie String Header Parser is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use Cookie String Header Parser

  1. 1
    Paste Cookie HeaderEnter a Cookie header string (e.g. session=abc; theme=dark).
  2. 2
    View Parsed CookiesInspect decoded cookie names and values.

Common Use Cases

  • Debugging user authentication sessions, verifying tracking cookie keys, and API testing
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