Title

JSON Anonymizer (VS Code)

Short Description

Anonymize JSON values with realistic fake data while preserving JSON structure and keys.

🎯 Features

• In-place anonymization of the active JSON file
• Copy anonymized JSON to clipboard without changing the source file
• Create anonymized output in a duplicate file (*.anonymized.json)
• Deterministic anonymization with optional seed
• Field/path rule overrides with precedence:
  • exact path
  • wildcard path ([*])
  • field name
• Strict JSON parsing with clear error handling

Screenshots / GIFs

Add screenshots or recordings under resources/ and link them here.

Example placeholders:

• Command Palette flow (Anonymize Document)
• Before/after JSON diff
• Anonymize to Duplicate File result in editor tabs

Usage

1. Open a valid .json file in VS Code.
2. Run one of the commands from Command Palette:
   • JSON Anonymizer: Anonymize Document
   • JSON Anonymizer: Copy Anonymized JSON
   • JSON Anonymizer: Anonymize to Duplicate File
3. (Optional) Configure seed/rules for deterministic or custom behavior.

Configuration

You can configure the extension in VS Code settings JSON:

{
  "jsonAnonymizer.seed": "demo-seed",
  "jsonAnonymizer.rules": {
    "user.email": "keep",
    "contacts[*].email": "email",
    "address.zip": "zip",
    "phone": "null"
  }
}

Commands

• jsonAnonymizer.anonymizeDocument
• jsonAnonymizer.copyAnonymizedJson
• jsonAnonymizer.anonymizeToDuplicateFile

Extension Settings

jsonAnonymizer.seed

Optional deterministic seed (string | number | null).

jsonAnonymizer.rules

Path/field strategy overrides.

Supported strategies:

• keep, null, string, number, boolean
• email, phone, uuid, name, url, date, ip, zip

Release Notes

See CHANGELOG.md for all versions and release details.