JSON to Cookie

About JSON to Cookie

Browser-based JSON to Cookie converter

Convert structured JSON data into 4 common cookie formats: document.cookie strings, Set-Cookie headers, Netscape cookie files, and JSON cookie jars. Supports .json file upload. All processing done locally.

Features

  • Outputs 4 cookie formats
  • Supports .json file upload
  • URL encode toggle
  • Independent copy buttons per format
  • Real-time JSON validation
  • Local browser processing for privacy

How to Use

  1. 1Paste JSON or upload a .json file
  2. 2Tool auto-generates 4 cookie formats
  3. 3Click copy on the desired format

FAQ

What cookie formats are output?
Four formats: document.cookie (browser JavaScript readable), Set-Cookie header (HTTP response format), Netscape cookie file (curl/wget compatible), and JSON Cookie Jar (formatted JSON).
What JSON format is required?
A JSON array where each object must have name and value fields. Optional fields: domain, path, expires, secure, httpOnly, sameSite, priority, maxAge.
Can I upload a file?
Yes. Upload .json files. All processing is local.
What does URL Encode do?
Encodes special characters in output values to ensure safe cookie transmission in HTTP scenarios.
Is my data uploaded?
No. Everything runs locally in your browser.

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