Bulk Alt Text Generator

Fast, accurate, and ready to scale

Generate high-quality alt text for thousands—or millions—of images in minutes. No more endless alt-text slog. Our AI plugs straight into your media library, product catalog, or DAM, so every image ships with accessible, SEO-ready descriptions.

Try It Yourself

See the quality for yourself, then turn on bulk mode to process your entire library.

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Tap to uploadClick to select or drop a new image

Try It! Click to select or drag and drop

PNG, JPG, GIF, WebP, AVIF, SVG (max 16MB)

Custom SEO keywords

Optional

123456789 
curl --location 'https://alttext.ai/api/v1/images/bulk_create' \
  --header "X-API-Key: abc123" \
  --header "Content-Type: multipart/form-data" \
  --form 'file=@"images.csv"' \
  --form 'email="user@example.com"'

# CSV includes: url,lang,keywords,ecomm_product columns
# Returns: bulk upload job with processing status

Bulk Alt Text API

When you need to process massive image libraries, our REST API handles enterprise-scale processing. Send us 100K+ image URLs and apply consistent settings across your entire batch.

Handle Any Volume

Our API processes thousands of image URLs at once. Ideal for migrating large media libraries, processing CDN assets, or handling enterprise content repositories.

Website Scraping

Point our API at any webpage and we'll automatically find, process, and return alt text for every image on the page.

View API Documentation

Custom Integration

White-label our AI engine, hide our branding, and share revenue on qualifying integrations. Your users get professional alt text generation seamlessly built into their existing workflow.

White-Label Solution

Integrate our AI without exposing AltText.ai branding. Your users experience seamless alt text generation as part of your platform.

Enterprise Scale

Handle millions of images with enterprise-grade infrastructure. Built for high-volume processing with reliable uptime and consistent performance.

Revenue Share

Monetize alt text generation in your platform. We offer revenue sharing partnerships for qualifying integrations.

Contact Sales

Why Choose Our Bulk Generator?

Enterprise-scale processing with complete control. Use your existing product data, SEO keywords, and custom prompts across WordPress, Shopify, our API, or CSV imports.

Handle Any Scale

Upload a single CSV with 100K+ image URLs—or call our API—and we handle the rest. Works with images from any URL location: CDNs, cloud storage, or remote servers.

130+ Languages

Auto-localize alt text for global storefronts and multilingual sites. Perfect for international e-commerce and localized content.

E-commerce Intelligence

Our AI weaves product names, brands, and keywords into every description for better search rankings. Ideal for online stores wanting product-specific, SEO-optimized descriptions.

SEO Keyword Targeting

Pin required phrases or block unwanted ones to keep your on-page SEO on point. Full control over optimization for better search rankings.

Smart Keyword Discovery

Our AI analyzes product descriptions, content, or any text you provide to automatically extract relevant SEO keywords—powerful for content optimization.

Custom AI Instructions

Control tone, style, or brand voice with per-batch or per-image prompts. Maintain consistent brand voice across your entire library.

Smart Overwrite Rules

Replace missing alt text while protecting descriptions you've already perfected. Choose whether to replace existing alt text or preserve it during bulk processing.

Custom Metadata & Tracking

Add internal notes, tracking information, or additional context to help you manage and organize your bulk alt text generation process.

Check Integrations Read API Docs

Integrations

One-click integrations that plug straight into your existing workflow. Process entire media libraries, product catalogs, and image archives with enterprise-grade accuracy and speed.

WordPress

Retroactively fill alt text across your Media Library. Works with Yoast & RankMath keywords.

Shopify

Bulk-process product, variant, theme, and blog images. 5-star rated.

Cloudinary

Tag entire folders or search results in a single run.

Dropbox

Drag-and-drop CSVs or image sets from your team's shared drive.

Pinterest

Import, process, and export alt text right back to your pins.

CSV Import

Perfect for CDN assets, headless CMSs, and custom workflows.

Page Scraper

Import, process, and export alt text right back to your pages.

API

Bulk processing via API

CMS Integrations E-commerce Integrations Custom Integrations

CSV Import Processing

Upload a CSV file with image URLs and let AltText.ai process hundreds of images at once. Ideal for migrating existing image libraries, processing CDN images, or handling remote media assets.

  • CSV Upload

    Upload a CSV file with image URLs and our AI will process all images and provide professional alt text for CSV export.

  • Remote Images

    Process images from any URL—ideal for CDN images, remote media libraries, or third-party image hosts.

  • Export Results

    Download your results as CSV or integrate directly with your systems via API.

CSV import interface showing bulk processing of image URLs for alt text generation.

WordPress Processing

The AltText.ai WordPress plugin can retroactively generate alt text for all existing images in your media library. Works great for content sites, blogs, and WooCommerce stores with large image libraries.

  • Missing Alt Text

    Generate missing alt text for all existing images in your WordPress media library. Ideal for large content sites and blogs.

  • WooCommerce Integration

    Automatically process product images in bulk, incorporating product names and descriptions into generated alt text.

  • SEO Keywords

    Incorporates focus keyphrases from Yoast, RankMath, and other SEO plugins for optimized alt text.

Get WordPress Plugin
WordPress media library showing AltText.ai bulk processing options for existing images.

Shopify Processing

The AltText.ai Shopify app processes all your product images, blog images, and theme images in bulk. Automatically incorporates product names, brands, and descriptions for SEO-optimized alt text.

  • All Product Images

    Process product images, variant images, and collection images in bulk with product-specific alt text.

  • Blog & Theme Images

    Generate alt text for blog post images, theme images, and other store media automatically.

  • 5-Star Reviews

    Highly rated by Shopify store owners for saving time on alt text creation.

View Shopify App
Shopify admin showing AltText.ai bulk processing for product images and store media.

E-commerce Teams

Add SEO-optimized alt text to product catalogs. Process entire catalogs, inventory photos, and marketing images with enterprise-grade accuracy.

Works with:

Shopify, WooCommerce, Magento stores wanting to boost their accessibility and SEO.

Contact Sales

Publishers & Bloggers

Retrofit accessibility across years of media. Process blog images, media galleries, and content archives with WCAG-compliant alt text.

Works with:

WordPress sites, headless CMS setups, media companies, and content publishers who care about accessibility and SEO.

Contact Sales

Agencies & SaaS Platforms

Embed alt text generation as a value-add feature. White-label our technology to offer professional alt text generation directly within your platform or service.

Works with:

Digital agencies, SaaS platforms, CMS providers, and marketing tools that want to offer accessibility features to their clients.

Contact Sales

Ready to Scale Your Accessibility & SEO?

Pick your integration. Select your images or upload a CSV. Hit generate—and watch thousands of images update themselves.

Get Started
Process 25 images on us and see why teams trust our bulk alt text generator to keep both search engines and screen readers happy.