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Login as JIRA administrator. Go to -> Administration -> Manage apps -> Find new apps
Search “Field Hide“ and click “Install“
Configuration
Jira admin can configure export option in issue view and issue navigator for the hidden fields. It prevents user to export hidden fields value.
Hide Custom Fields
Follow the below link to hide any custom fields base on user rules(groups/roles/users)
Make Read-Only Fields
Follow the below link to make read-only any custom fields base on user rules(groups/roles/users)
Hide Time Tracking
Follow the below link to hide time tracking information base on user rules(groups/roles/users)
Free Lite or Trial Version
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