September 22, 2026
AdNabu's free AI product description generator is built specifically for e-commerce sellers, tuned around the content policies of marketplaces like Amazon and Etsy — genuinely useful, but designed as an entry point into AdNabu's broader Shopify feed-management app.
AdNabu's tool is built around a real, specific problem: different marketplaces enforce different content rules — character limits, banned promotional language, formatting requirements — and a description that's fine on one platform can trigger a listing rejection on another. AdNabu's generator is tuned to avoid that across the marketplaces it supports.
SMBkits' product description generator does the same core task — turn a product name and its features into an SEO-ready listing description — as a standalone free tool with no account and no connection to a Shopify app or feed-management platform. It doesn't carry AdNabu's per-marketplace policy tuning, so for listings on marketplaces with unusual formatting rules, double-check the output against that platform's specific guidelines before publishing.
Marketplace character limits vary more than most sellers expect. Amazon caps listings around 2,000 characters and favors bullet points over paragraphs; Meta's commerce catalog allows up to roughly 9,999 characters. A description written without any limit in mind can get silently truncated or rejected depending on where it's posted — worth checking the specific platform's limit regardless of which generator produced the text.
If you're managing a Shopify store with product feeds across many marketplaces, AdNabu's broader toolset — including its policy-compliance features — solves problems beyond just the description text. If you need one product description generated quickly without installing a Shopify app, SMBkits' version does that specific job.
| Feature | SMBkits | AdNabu |
|---|---|---|
| Account / app install required | No | Free tool, tied to Shopify app |
| Marketplace policy tuning | Not included | Included (17+ marketplaces) |
| Word/generation limits | None | None on the free tool |
| Broader feed-management platform | Not applicable | Core product, paid |
No account and no credit system means no cap tied to a subscription tier — generate as many as you need.
The generator writes the description to read naturally around the product features you provide, which tends to include the terms shoppers search for — but it doesn't do separate keyword research on top of what you enter.
Yes — character limits, allowed formatting (bullets vs. plain text), and rules against promotional language vary by platform. Check your specific marketplace's listing guidelines before publishing, regardless of which tool generated the draft.