If you run an online store, product descriptions are the closest thing you have to a salesperson on the page. The images bring shoppers in; the description is what decides whether they add to cart. And for most small stores, the description backlog is the single biggest content problem in the business: hundreds of SKUs inherited from a supplier feed, half of them still showing manufacturer boilerplate, some of them still showing nothing at all.
This guide is for the person whose job it’s to fix that.
Who this is for
Founder-led and small-team ecommerce operators, anywhere from a solo Shopify store to a 30-person retail brand, running between roughly 50 and a few thousand SKUs on Shopify, WooCommerce, Wix, Squarespace, or BigCommerce. If your catalog is under about 25 products and you write listings by hand once in a while, you don’t need any of these tools. If you’re a mid-market retailer already running a PIM like Salsify or Akeneo across 50,000 SKUs, you’re outside the scope of this guide; you’re evaluating enterprise PXM platforms, not the small-shop starter kit.
The other assumption we’re making: you want the copy to sound like your store, not generic AI marketing sludge. That single requirement is what separates the tools below from a generic chatbot with a prompt template.
Our pick: Describely
Describely is the one we’d start a small-catalog Shopify or WooCommerce store on today. Three reasons.
First, the pricing model fits the way small stores actually spend. It’s pay-as-you-go: you buy generation credits for the number of products you have. There’s no monthly seat fee, no annual contract, and no free tier bait-and-switch. If you have 300 SKUs to rewrite this quarter and nothing next quarter, you pay for 300 and stop.
Second, it does the full workflow, not just the writing. The one-tool version of this problem (“give me a product description”) is the easy part. The hard part is importing a real catalog, filling gaps in supplier data before generation, enforcing a house tone across hundreds of runs, and publishing the edits back to the live store. Describely does all four in one workflow, and its Content Rules feature is the piece other tools tend to miss: you set your tone, forbidden phrases, target length, and structure once, and those rules persist across every batch. That matters more than any single description does.
Third, its data enrichment step is the antidote to the “AI wrote a beautiful description of a product it doesn’t understand” problem. Sparse supplier data produces sparse descriptions, no matter which model you use. Describely’s enrichment feature pulls missing attributes (dimensions, materials, specs) from a manufacturer URL or SKU before it generates the description. If you’re a distributor or dropshipper working from raw supplier feeds, this is the feature that decides whether the whole workflow is useful.
The trade-offs are worth knowing. Above 500 products the pay-as-you-go math turns into a custom quote, so if you’re at 5,000 SKUs and comparing tools, ask for that number early. And Describely isn’t the tool for someone who wants one great description for one new product; the interface is built around volume, and it’s more machinery than a small-batch seller needs.
The step-up option: Hypotenuse AI
Hypotenuse is the closest direct competitor to Describely on the ecommerce-specialist axis, and it’s the pick when the catalog gets bigger and starts living in a PIM. It generates descriptions in bulk in more than 40 languages, edits product images at scale, and supports the kind of PIM and ERP connections that a Salsify or Akeneo shop needs.
The reason it isn’t our top pick for the small-store reader is pricing and onboarding. The vendor’s live pricing page lists ecommerce plans as “Custom” and routes to a sales conversation. That’s fine for a mid-market retailer; it’s a heavier commitment than most owner-operated stores need on day one. If you’re a small store considering Hypotenuse, the honest test is whether you already have the catalog complexity (multiple brands, PIM sync, image-processing volume) that the pricing is built around. If you don’t, you’ll pay for capability you’re not using.
If you already live in Jasper: Jasper
Jasper is a general AI marketing platform, not a product-content specialist. Its Pro plan is $59/month annual or $69/month monthly for one seat, and it’ll happily draft a product description. It’s a fine choice if you already use it for ads, emails, and landing pages, and you want product copy to come out of the same workspace with the same brand voice. It’s not the right primary tool for catalog work: it doesn’t publish natively to Shopify or WooCommerce, and its documented workflow is oriented around marketing content rather than bulk product pipelines. If your marketing stack already includes Jasper and your catalog is small, use it. If you’re picking a tool specifically to clear a product-description backlog, start with a specialist.
For related content workflows that keep coming up alongside product pages, we’ve covered AI social media content tools and AI landing page builders for small businesses in separate guides.
The free option: Shopify Magic
If you run your store on Shopify and you add products at a rate of low tens per month, the honest answer is: try Shopify Magic first. It’s built into every paid Shopify plan at no extra cost, it’s a click away from the product editor, and for a single new SKU it produces a serviceable draft from a title, a few features, and a tone selector.
Its limits are real. There’s no bulk generation, no data enrichment from external sources, no persistent brand-voice profile beyond the preset tones, and no way to control structure or forbidden phrases. It also doesn’t touch Wix, WooCommerce, Squarespace, or BigCommerce. But for a Shopify store with a small backlog and no budget for a subscription, it’s genuinely the right first move, and it means anyone reading this guide should confirm they’ve outgrown Shopify Magic before paying for anything else. If you already sit inside Shopify and want to add complementary getting-customers workflows, our guide to AI review management tools for small local businesses covers the shopper-trust side of the same funnel.
How to choose between them
The decision tree is short.
If you’re on Shopify with fewer than about 25 new products a month, start with Shopify Magic. It’s free and it’s a click away.
If you have a real catalog (roughly 100 to 2,000 SKUs), you’re on Shopify, Wix, WooCommerce, or Squarespace, and you want bulk generation with brand-voice control and native publishing, use Describely. It’s the specialist for the small-to-mid ecommerce reader.
If your catalog has already outgrown a spreadsheet and lives in a PIM, evaluate Hypotenuse AI, but budget for an annual conversation with sales rather than a swipe-a-card signup.
And if you’re already deep in Jasper for the rest of your marketing, keep it for descriptions on the side, but pair it with one of the specialists above if descriptions are the main job. We wouldn’t run more than one primary description tool at a time.
