Matej Kravjar

<p>Plugin adds section to post edit page in WordPress admin, where the post metadata are displayed in convenient table with the option to export the data into JSON format</p>


Post Meta View and Export

This plugin adds possibility to view and export post metadata for superadmins.

Andrew Norcross

tripflex

<p>Creates a panel to change or delete meta keys in bulk. Useful for when you are switching plugins or themes that use specific meta keys for functionality, or for general cleanup for older sites that may have older meta data that is no longer in use.</p>


Post Meta Manager

A simple utility plugin for changing or deleting post or user meta (custom fields) keys in bulk.

Post Meta View and Export vs Post Meta Manager