What is the best AI tool for writing product descriptions for an online store
Jasper and Copy.ai are the top choices for writing ecommerce product descriptions — both generate SEO-optimized copy from a product name and a few bullet points in under a minute. For most small store owners, Copy.ai's free tier covers enough monthly credits to handle a typical catalog update.
Product descriptions are one of the highest-leverage writing tasks for an online store because they directly affect both search rankings and conversion rates. Most small business owners either write them by hand (slow) or copy the manufacturer's text (bad for SEO). AI tools eliminate both problems by generating unique, keyword-rich descriptions at scale. Jasper is the power-user pick — it has Shopify and WooCommerce templates built in, tone controls, and a brand voice feature that learns your style over time. It runs about $49/month for the creator plan, which is worth it if you're managing 100+ products or updating inventory regularly. Copy.ai works well for smaller catalogs. The free plan gives you 2,000 words per month, enough for 10–15 solid product descriptions. The interface is simpler than Jasper, and output quality for straightforward physical products is nearly identical. There's also a Shopify app so you can push descriptions directly without copy-pasting. For the best results with either tool: give it the product name, 3–5 key features, and your target customer persona. The output is a first draft — plan to spend 2–3 minutes tightening it. That's still 80% faster than writing from scratch, and you get descriptions that don't read like they came from a spec sheet.