AltMaster : Alt Text Optimizer

Develop by Shopify

$1.99

/ Month

Free plan available

Optimize product image ALT texts for SEO quickly and easily.

About AltMaster : Alt Text Optimizer

Launched May 11, 2026

Built by Shopify

Address

151 O’Connor St, Ottawa, ON, ON, CA

Website Support Portal Privacy policy Tutorial FAQ Document

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Description

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

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
Create ALT text using variables - product title, variant, tags, vendor & more
Optimize ALT texts for variant images: color, size & style correctly labeled
Improve ALT text on existing products - detect and fix missing or blank values
Bulk alt text processing for any store size - hundreds of products at once