AltMaster : Alt Text Optimizer

AltMaster helps you bulk generate SEO friendly alt text for every product and variant image in your store. Create optimized image alt text using data you already have - product titles, variants, product types, tags, and vendors. This means your alt text actually matches what you sell and improves your store's SEO. Find and fix missing, blank, or generic alt text across your entire catalog in one run. The app handles all variant images including color, size, and style variations. No AI involved, no per-image credits to buy - just accurate, SEO optimized alt text that works for stores of any size. Set it once and you're done.