Yes - for bulk editing variants, the csv export/import method can be tedious - and not as intuitive as directly editing an excel or google sheet. You could try the Products & Variants editor on the Sheet Master app on the Shopify App Store. Demo video below, reach out to support if you need any help getting set up.
Is this an app or is this within shopify itself? We have about 800 different products we need to add a new variant to. Trying to find the best way to do so without editing each and every product individually.
You can bulk edit product variants in Shopify using several methods that are more efficient than the CSV approach. One of the latest options is to utilize Shopify’s built-in Bulk Editor, which allows you to edit multiple variants directly from the Products page in your admin dashboard.
Additionally, there are various third-party apps available that can simplify this process, such as Bulk Product Edit by Hextom, which offers advanced filtering and editing capabilities.
You can read this for details step by step with images: how to bulk edit variants for shopify products This link provides step-by-step instructions to help you streamline your editing process.
This post is a little old but if you’re looking for a way to edit variants in 2025 (now that Shopify is starting to release the new 2048-variant limit per products) I would recommend taking a look at our Ablestar Bulk Product Editor app.
Using the app you can either bulk edit/add variants with a spreadsheet or through the in-app interface: