AltMaster : Alt Text Optimizer

Set-and-forget alt text for SEO and accessibility.

by HSP Technologies · Launched: May 2026 · Free plan available.

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Bulk generate image ALT text for all products & variant images. Boost SEO rankings in a few clicks.

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About AltMaster : Alt Text Optimizer

Missing or blank ALT texts mean your product images are invisible to search engines. This app lets you create SEO optimized ALT text across your entire store in minutes - including the ALT text of all variant images. Use simple variables like product title, variant options, product type, tags, and vendor to build ALT texts that match your store's language. Run it whenever you add new products or want to improve image ALT text across your catalog. Bulk generate image ALT text for all products, variants, and collections at once Optimize ALT texts for variant images: color, size & style correctly labeled Create ALT text using variables - product title, variant, tags, vendor & more Bulk alt text processing for any store size - hundreds of products at once Improve ALT text on existing products - detect and fix missing or blank values Show more Show less

Last verified: July 21, 2026 · Fresh