Shopify product description generator for catalog cleanup.
Lumi is a Shopify product description generator built for merchants who need to clean up selected product copy and product-image alt text. Eligible paid plans also create SEO titles and SEO descriptions.
Generate drafts from product context and brand voice, review every field before publishing, and keep catalog cleanup moving without rewriting every SKU by hand.
Free plan available. Review before publishing.
Product content gaps make Shopify catalogs harder to manage
Missing descriptions, blank alt text, and unclear product copy make catalogs harder to maintain and harder for shoppers to understand.
For Shopify merchants with hundreds or thousands of SKUs, manual product copy turns into a backlog that slows launches and creates cleanup work across the store.
- Product descriptions get rushed, copied, or skipped.
- SEO titles and meta descriptions stay inconsistent.
- Product images go live without useful alt text.
- New launches slow down while teams wait on copy.
- Drafts without catalog context are harder to review and keep consistent.
Generate descriptions, metadata, and alt text together
Lumi is designed for Shopify catalog teams that need more than a standalone writing tool. It helps you create, review, and maintain the content that powers product pages, search visibility, image discovery, and accessibility support.
Product descriptions
Create benefit-led, on-brand descriptions that explain what the product is, why it matters, and who it is for.
Search titles and meta descriptions
Create clear titles and summaries that help search engines and shoppers understand each product page.
Product-image alt text
Create descriptive product-image alt text that supports accessibility and image search.
Catalog cleanup
Find missing image alt text, surface loaded products with missing descriptions, and choose other fields you want to refresh.
From messy catalog to publishable product copy
1. Connect your Shopify store
Install Lumi from the Shopify App Store and connect your catalog. No code or theme changes required.
2. Select products to update
Choose individual products, collections, or tags. Start small or select a larger product group when your plan allows.
3. Create contextual drafts
Use product and image details to suggest descriptions, search titles, meta descriptions, and alt text. Paid plans can follow your brand guidance.
4. Review, edit, and publish
Review drafts, edit individual items, regenerate when available, publish reviewed groups, or leave drafts unpublished. Eligible plans can enable optional auto-apply.
5. Keep new products from creating new backlog
Use ongoing catalog workflows to refresh new products, seasonal launches, and legacy content before gaps pile up again.
Keep drafts aligned with your brand voice
Eligible paid plans let you add brand guidance and choose one of 17 supported languages for future drafts. Lumi preserves product and brand names, and the language setting does not manage Shopify Markets translations.
Without brand guidance
"This premium product is made with high-quality materials and exceptional craftsmanship. Perfect for everyday use, it combines style and functionality."
Problems:
- Sounds interchangeable
- Adds little product-specific value
- Uses filler language
- Does not reinforce brand identity
After: a brand-aware draft
"Designed for everyday wear without the throwaway feel, this piece pairs durable materials with a clean silhouette that works across seasons. Dress it up, keep it casual, and let the details do the work."
Why it works:
- More specific
- More natural
- More benefit-led
- Easier to adapt by category, audience, and tone
Stop writing product descriptions one SKU at a time
Manual writing does not scale when your catalog keeps growing. Lumi helps ecommerce teams move from copy-paste cleanup to repeatable content operations.
Use bulk workflows to:
- Refresh legacy product descriptions
- Prepare content for new collections
- Generate SEO titles and meta descriptions
- Improve product image alt text
- Standardize tone across categories
- Reduce repetitive copywriting work
Monthly plan overview
Free
Up to 10 products per batch
100 monthly content credits
Starter
Up to 25 products per batch
1,000 monthly content credits
Growth
Up to 100 products per batch
5,000 monthly content credits
Scale
Up to 500 products per batch
15,000 monthly content credits
Give every product page clearer SEO context
Search engines and shoppers benefit from clear product content. On eligible paid plans, choose the products whose SEO titles or descriptions you want to refresh; Lumi does not automatically audit those fields across the catalog.
Natural keyword integration
Add relevant product terms without keyword stuffing or robotic phrasing.
Long-tail product targeting
Create descriptions that support specific buyer searches, not just broad category terms.
Search content for every product
On eligible paid plans, create search titles and meta descriptions for the products you select.
Clearer product images for search
Pair product copy with descriptive image alt text to support Google Images, visual search, and accessibility workflows.
Product copy and accessibility support in one catalog workflow
Lumi is not just an AI writing tool. It helps improve the underlying product content fields that shoppers, search engines, screen readers, and ecommerce teams depend on.
Use Lumi to find missing product-image alt text, choose search details to refresh, review drafts before publishing, and export completed alt-text fix records on eligible paid plans.
- Find product images with missing alt text
- Surface loaded products with missing descriptions
- Create clear product-image alt text
- Choose SEO titles and descriptions to refresh on eligible paid plans
- Review before publishing
- Export completed alt-text fix records on eligible paid plans
- Keep automated findings separate from manual-review items
Lumi supports catalog accessibility work, but it does not promise complete accessibility because accessibility obligations extend beyond product descriptions and image alt text.
One tool for founders, marketers, operators, and agencies
For founders and store owners
You know your catalog needs cleanup, but you do not have time to rewrite every page. Start with missing alt text or choose the products and fields you want to refresh.
For marketing and growth teams
Turn selected product images and details into search-friendly drafts without adding more repetitive writing work.
For ecommerce operations teams
Prepare collection launches by creating, reviewing, approving, and publishing several product updates together.
For Shopify agencies
Package catalog checks, selected content drafts, and alt-text work into a repeatable client service. Each client store uses its own Lumi installation and plan.
More than a blank AI writing box
| Approach | What happens | Merchant value |
|---|---|---|
| Find | Start with missing image alt text, loaded products with missing descriptions, and prioritized storefront accessibility findings. | Choose other descriptions or SEO fields you want to refresh. |
| Fix and review | Create drafts from product and image context, then review and edit them. | Keep merchants in control before anything is published. |
| Publish and track | Apply approved updates to Shopify catalog fields. | Use generation history for drafts and publications, plus eligible-plan exports for completed alt-text fixes. |
Catalog cleanup stays reviewable and traceable
Lumi connects supported gap detection to the work around it: create contextual drafts for selected fields, review proposed changes, publish approved updates, and use generation history to track the work.
Merchant review stays in the workflow
Review, edit, regenerate when available, publish, or leave drafts unpublished.
Brand settings support consistency
Eligible plans can follow brand guidance and use one of 17 supported languages for future drafts. This does not manage Shopify Markets translations.
Completed work remains visible
Use generation history for drafts, publications, and failures. Eligible paid plans can export completed alt-text fix records.
Generate product descriptions before you upgrade
Start with Free for image alt text and product descriptions. Upgrade for SEO titles and descriptions, brand guidance, one of 17 generation languages, more frequent scans, completed alt-text fix exports, or optional auto-apply.
Free
$0
Try Lumi on a small selection of products.
- 100 monthly content credits
- Generate image alt text and product descriptions
- Work with up to 10 products at a time
- Find missing alt text and surface loaded products missing descriptions
- Scan up to 5 store pages every 30 days
- Review changes before publishing
- Email support
- Credits do not roll over
Starter
$29/month
Clean up a smaller catalog with more control.
- 1,000 monthly content credits
- Alt text, product descriptions, SEO titles, and meta descriptions
- Brand guidance and one of 17 generation languages
- Scan up to 30 store pages every 14 days
- Review and publish approved changes
- Export completed alt-text fix records
- Email support
- Credits do not roll over
Growth
$59/month
Keep a growing catalog cleanup workflow moving.
- 5,000 monthly content credits
- Everything included in Starter
- Optional auto-apply for selected content
- Automatically scan up to 100 store pages every week
- Alerts for new accessibility issues
- Previous versions and completed updates
- Advanced accessibility reports and alt-text fix exports
- Priority processing and support
- Carry over up to 1,000 unused credits
Scale
$129/month
Keep a large catalog organized and up to date.
- 15,000 monthly content credits
- Everything included in Growth
- Process large product groups without keeping the page open
- Scan up to 250 store pages every week
- Alerts when accessibility issues return
- Extended scan and update history
- Advanced accessibility reports and alt-text fix exports
- Onboarding and priority support
- Carry over up to 3,000 unused credits
FAQ
Can a Shopify product description generator handle bulk updates?
Yes. Lumi lets Shopify merchants generate product descriptions in bulk, then review, edit, and publish approved drafts from Shopify admin. Batch size depends on your plan.
Is Lumi only a product description generator?
No. Free also includes product-image alt text. Eligible paid plans add SEO titles, SEO descriptions, brand guidance, one of 17 generation languages, and completed alt-text fix exports.
Does Lumi create product descriptions with useful SEO context?
Yes. Lumi drafts product descriptions with product-specific language, category context, and relevant search terms. The goal is natural, readable SEO copy, not keyword stuffing.
How does Lumi match my brand voice?
Starter, Growth, and Scale let you add brand guidance so Lumi can better match your tone and wording. Review each suggestion before publishing.
Can I review descriptions before publishing?
Yes. Review-before-publish is the standard workflow. You can review, edit, regenerate when available, publish individually or in reviewed groups, or leave drafts unpublished.
Can Lumi also generate alt text?
Yes. Lumi can create descriptive alt text for Shopify product images using Web Content Accessibility Guidelines (WCAG) as a reference.
Is Lumi a replacement for accessibility or legal advice?
No. Lumi helps create descriptive alt text and records completed alt-text fixes. It is not legal advice or a complete accessibility review, and manual review is still required.
What can I do on the Free plan?
The Free plan includes 100 monthly content credits, image alt text and product content, work on up to 10 products at a time, a scan of up to 5 store pages every 30 days, and review-before-publish controls. Credits do not roll over.
What types of stores is Lumi best for?
Lumi is strongest for Shopify merchants with growing catalogs, frequent launches, image-heavy products, inconsistent metadata, or limited time for manual copywriting.
Turn product content debt into publishable Shopify copy
Create product descriptions and image alt text on Free, with SEO titles and SEO descriptions on eligible paid plans. Review every draft before publishing, or leave it unpublished.
Free plan available. Review before publishing.