AltMaster: AI Alt Text SEO

Bulk Optimize Alt Text For Every Product Image In One Click. Boost SEO & Accessibility: ADA & WCAG.

AltMaster helps Shopify merchants fix missing, blank, or messy image alt text at scale. Scan your store, then bulk-generate alt text with AI or reusable templates built from product title, variant, vendor, type, and tags. Preview before saving, then update product, variant, and collection images directly in Shopify. Great for large catalogs, variant-heavy stores, and migrations where old alt text needs cleanup.

• Find missing, blank, generic, or messy image alt text across your store.
• Bulk generate alt text with AI or reusable product-data templates.
• Update product, variant, and collection image alt text in one run.
• Use title, variant, vendor, product type, tags, and more in templates.
• Rename image filenames in bulk for image SEO and product image optimisation.