Shopify AI Alt Text Generator for Product Images
Generate WCAG-aligned alt text for every Shopify product image
Lumi uses Vision AI, product data, and brand context to draft accurate image alt text in bulk — so your store is easier to understand, easier to search, and easier to maintain.
Review every suggestion, edit before publishing, and keep a clear record of what changed.
Built for Shopify catalogs · Review before publishing · Supports 17 languages · Bulk workflows available · Exportable fix records
Missing alt text is not just a small metadata issue
Every product image without useful alt text creates friction. Screen reader users get less context. Search engines get weaker image signals. Your team gets stuck fixing repetitive catalog issues by hand.
Lumi helps Shopify merchants replace blank, generic, or keyword-stuffed alt text with clear, product-aware descriptions — without managing spreadsheets or writing thousands of image tags manually.
Support accessibility
Create descriptive alt text that helps communicate what meaningful product images show.
Improve image SEO
Help search systems understand your product images with natural, descriptive metadata — not keyword stuffing.
Clean up your catalog
Scan, generate, review, and apply alt text updates across large Shopify catalogs from one workflow.
From missing alt text to reviewed updates in minutes
Lumi helps teams move from discovery to approved fixes with a workflow built for real Shopify catalogs.
1. Connect your Shopify store
Lumi reviews your product catalog and identifies images that are missing alt text or need better descriptions.
2. Generate image-aware alt text
Vision AI analyzes the image itself, while product context helps keep descriptions specific to the item, variant, and page.
3. Review before publishing
Approve, edit, or reject suggestions before anything goes live. Your team stays in control of quality.
4. Apply updates in bulk
Publish approved alt text directly to Shopify and keep a clear record of completed remediation work.
Turn weak image metadata into useful product descriptions
Lumi keeps alt text descriptive and readable. The goal is to explain the image clearly, not overload it with keywords.
| Before | After with Lumi |
|---|---|
| Empty alt attributes | Descriptive alt text for meaningful product images |
| Generic labels like "product image" | Product-aware descriptions using image and catalog context |
| Keyword-stuffed alt tags | Natural alt text written for people first |
| Manual spreadsheets | Bulk review and publishing workflow |
| No update record | Exportable fix logs and remediation evidence |
Before
alt="dress"After
alt="Black sleeveless midi dress with square neckline and fitted waist"Everything you need to fix Shopify alt text at catalog scale
Vision AI that sees the product image
Lumi analyzes the actual product image instead of relying only on existing product titles or tags. That helps reduce generic outputs and creates more useful image descriptions.
Product-aware generation
Use product names, variants, collections, and context to generate alt text that fits the page where the image appears.
Bulk alt text workflows
Clean up missing alt text across many products without writing every tag manually.
Review and edit controls
Every generated suggestion can be reviewed before publishing, so your team can maintain accuracy and brand standards.
WCAG-aligned accessibility support
Generate alt text intended to support accessible image descriptions. Lumi helps with one important part of accessibility remediation, while your full site accessibility still depends on the broader customer experience.
Image SEO without keyword stuffing
Create clear image metadata that supports search visibility while staying readable and useful.
Fix logs and documentation
Track what was reviewed, changed, and published so your team has a record of catalog remediation work.
Multilingual catalog support
Generate product content and alt text workflows across international storefronts with support for 17 languages.
Accessibility support without empty promises
Alt text alone does not make a Shopify store fully compliant. Accessibility depends on your full site experience, theme, content, navigation, forms, media, and checkout flow.
Lumi focuses on one high-volume accessibility gap: product image alt text. It helps you find missing descriptions, generate WCAG-aligned suggestions, review them before publishing, and document completed updates.
Improve image SEO with descriptive product alt text
Search engines use image context to understand what a page contains. Product images with clear alt text, relevant page copy, and accurate metadata are easier to interpret than images with blank or generic descriptions.
Lumi helps Shopify merchants create natural alt text that describes the image, supports the product page, and avoids the keyword-stuffing patterns that can hurt quality.
Better product image context
Give search systems clearer information about what each product image shows.
Stronger product pages
Pair alt text with SEO titles, meta descriptions, and product copy for a more complete catalog optimization workflow.
Cleaner catalog operations
Keep product image metadata maintained as your catalog grows.
Built for stores with too many images to fix by hand
High-SKU Shopify stores
Fix missing alt text across hundreds or thousands of product images without adding manual catalog work.
Apparel, beauty, home, and visual brands
Create useful descriptions for image-heavy catalogs where product appearance matters.
SEO and ecommerce teams
Improve image metadata while also working on product descriptions, titles, and meta descriptions.
Agencies and consultants
Use Lumi to run catalog scans, produce remediation records, and deliver repeatable accessibility and SEO cleanup services for Shopify clients.
Why use Lumi instead of writing alt text manually?
| Workflow | Manual alt text | Generic AI prompt | Lumi |
|---|---|---|---|
| Understands Shopify product context | Limited | Requires copy-paste | Yes |
| Reviews actual product images | Human-only | Not always | Yes |
| Works in bulk | Slow | Awkward | Yes |
| Supports review before publishing | Manual | Manual | Yes |
| Helps with SEO metadata too | Separate workflow | Separate workflow | Yes |
| Keeps remediation records | Manual | No | Yes |
| Built for Shopify catalog cleanup | No | No | Yes |
More than an alt text generator
Lumi helps Shopify merchants clean up product content and metadata in one place. Use it to generate alt text, product descriptions, SEO titles, meta descriptions, and multilingual catalog content — all while keeping your brand voice consistent.
- Generate product image alt text
- Improve SEO titles and meta descriptions
- Draft product descriptions in your brand voice
- Support multilingual storefronts
- Review and approve before publishing
- Maintain fix logs for completed updates
Shopify alt text generator FAQ
What is a Shopify alt text generator?
A Shopify alt text generator helps create text descriptions for product images. Lumi uses Vision AI and product context to draft descriptive alt text that can be reviewed and published to your Shopify catalog.
Can Lumi fix missing alt text in bulk?
Yes. Lumi scans your Shopify catalog for missing or weak alt text, generates suggestions, and lets you review updates before publishing them.
Is AI-generated alt text good for SEO?
It can help when it is descriptive, accurate, and relevant to the image and page. Lumi is designed to create natural product image descriptions instead of keyword-stuffed alt tags.
Does Lumi guarantee ADA or WCAG compliance?
No app can guarantee full site compliance from alt text alone. Lumi supports accessibility remediation by helping you create WCAG-aligned image descriptions, review them, and document completed updates. Full compliance depends on your complete website experience and legal context.
Can I review alt text before publishing?
Yes. Lumi gives you review and edit controls before applying generated content to your store.
Does Lumi only generate alt text?
No. Lumi also supports product descriptions, SEO titles, meta descriptions, brand voice workflows, multilingual content, and catalog cleanup.
Who should use Lumi?
Lumi is best for Shopify merchants, ecommerce teams, and agencies managing image-heavy catalogs, frequent product launches, or large backlogs of missing metadata.
Is there a free plan?
Yes. You can start with 20 free credits and upgrade as your catalog needs grow.