If you need to edit your metafields in bulk, you came to the right place. This app allows to import and export metafields from/to comma separated values (csv) files. You can edit your data in a spreadsheet program and then import.
Please note that Metafields is a Shopify feature and it has nothing to do with SEO. Do not confuse it with meta tags for html. For more information about Metafields, please refer to documentation from Shopify
Please make sure you have checked your import file…
View Metafields link