Which formats and sizes are supported?

JPG, PNG, GIF, WEBP, BMP up to 16MB and at least 50×50 px.

Can I bulk-generate alt text?

Yes—web UI, CSV, plugins for WordPress, Shopify, and API integrations.

Do you support multiple languages?

130+ languages; set default via settings or API lang parameter.

Can I control tone and length?

Tone presets; max_chars parameter; custom prompt options available.

Does this help with SEO?

Alt text can aid image indexing and accessibility; avoid keyword stuffing.

Is this ADA/WCAG compliant?

Helps produce WCAG-aligned descriptions; site owners remain responsible.

Do credits roll over?

Yes. Credits roll over; 1 credit = 1 alt text.

Alt Text Generator — Accurate, SEO-Friendly Descriptions

Try It Yourself

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

View Integrations Check Pricing

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

Accuracy & Context

Advanced AI understands products, people, and scenes. Goes beyond basic object detection to provide contextually relevant descriptions that serve both accessibility and SEO needs. Handles complex compositions, charts, and infographics with nuanced understanding.

Bulk at Scale

Process thousands of images through web UI, CSV import, or platform plugins. Smart overwrite rules, queueing with progress tracking, and resumable batch processing. Perfect for media libraries, product catalogs, and content migrations.

SEO-Ready

Optional keyword inclusion without stuffing. Seamless integration with Yoast, RankMath, and AIOSEO plugins. Focus keyword passthrough ensures alt text supports your SEO strategy while maintaining natural, accessible language.

Accessibility-First

WCAG 2.1 AA compliant descriptions that serve screen reader users effectively. Smart detection of decorative images with proper alt="" handling. Follows accessibility best practices while avoiding redundancy with captions.

How It Works

Generate professional alt text in three simple steps, with optional developer integration.

Connect or Upload

Use plugins (WordPress/Shopify), drag-and-drop interface, or CSV import to connect your images.

Set Quality Controls

Choose language, tone, max length, and prompt customization for consistent results.

Generate & Apply

Generate alt text, review results, and apply to alt attributes or export as CSV.

Developer Integration

Simple REST API integration for custom workflows:

curl -X POST https://alttext.ai/api/v1/images \
  -H "X-API-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "image": {
      "url": "https://example.com/image.jpg",
      "lang": "en",
      "max_chars": 125
    }
  }'

Before & After Examples

See the difference professional alt text makes for accessibility and SEO.

Black wireless headphones on yellow background showcasing audio accessibility features

Before

"IMG_0123.jpg"

After

"Wireless bluetooth headphones in matte black with over-ear design and adjustable headband"

Performance analytics dashboard showing website metrics and bounce rate correlations

Before

"chart"

After

"Bar chart displaying quarterly sales growth from Q1 to Q4 2024, with rising trend from $2M to $6M"

Modern office corridor with glass-walled meeting rooms demonstrating professional workspace

Before

"image of office"

After

"Modern office space with natural light, collaborative workspace, standing desks, and team members working"

Pro Tip

Professional alt text provides context and meaning, not just object identification. Notice how our AI describes purpose, composition, and relevant details that matter to users.

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.

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

Bulk Processing Modes

Process hundreds or thousands of images with flexible controls and resumable jobs.

In-App Bulk

Process multiple images through our web interface. Perfect for one-time projects or regular batches up to 100 images.

CSV Import/Export

Upload CSV files with image URLs and download results. Ideal for large-scale migrations and data processing workflows.

Platform Tools

WordPress, Shopify, and CMS plugins handle bulk processing automatically. Set rules and let them work in the background.

Scale Your Impact

Transform your entire content library in minutes, not months

Massive Throughput

Process thousands of images in a single session. No limits, no waiting - just results.

Intelligent Updates

Smart detection finds and improves weak alt text while preserving your best descriptions.

Time Savings

What takes weeks manually happens in hours. Reclaim your time for strategy, not tedious tagging.

Instant Results

Watch your SEO scores improve and accessibility compliance soar as processing completes.

FAQ

25 images per account. No time limits or session restrictions.

No. We only store image URLs, generated alt text, and metadata. Images are processed and discarded immediately.

JPG, PNG, GIF, WEBP, BMP up to 16MB and at least 50×50 pixels.

Yes—web UI, CSV import, and plugins for WordPress, Shopify, and other platforms.

130+ languages; set default via account settings or API lang parameter.

Yes. Tone presets (concise, descriptive, marketing), max_chars limits, and custom prompts.

Alt text helps image indexing and accessibility. Integrates with SEO plugins without keyword stuffing.

Generates WCAG 2.1 AA aligned descriptions. Site owners remain responsible for compliance.

Yes. Credits never expire. 1 credit = 1 alt text generation.

Yes—available in account settings for agencies and white-label solutions.

Yes. Install links above for automated alt text generation in your platform.

Standard accounts: 100 requests/minute. Enterprise accounts get higher limits and priority processing.

Nothing found.

If you can't find what you're looking for, please contact our customer support team.

Quick Guidance: SEO + Accessibility

Essential do's and don'ts for effective alt text.

Do

• Describe the image's content and function
• Keep descriptions concise and relevant
• Use aria-hidden="true" and role="presentation" for purely decorative images
• Include relevant keywords naturally
• Consider context and nearby captions

Don't

• Start with "image of" or "picture of"
• Use file names or technical hashes
• Keyword-stuff or repeat nearby text
• Make descriptions unnecessarily long
• Ignore decorative vs informative images

Alt Text Best Practices SEO Guide Accessibility Guide

Technical Specifications

Supported Formats: JPG, PNG, GIF, WEBP, BMP
File Size Limit: 16MB max, 50×50px min
Languages: 130+ via lang parameter
Credit Model: 1 credit = 1 alt text, credits roll over
Integrations: WordPress, Shopify, API, Universal Script
Privacy: Images not stored
Customization: Tone, length, custom prompts
Whitelabeling: Available for agencies
Automation: Zapier, Pabbly, Albato, SureTriggers

Simple, Transparent Pricing

Pay per use with credits that never expire. Your first 25 credits are FREE.

Standard Formats

Credit

per image

JPG, PNG, GIF, WebP, BMP

Advanced Formats

Credits

per image

SVG, AVIF

Translations

Credit per

additional language

130+ Languages

Credits roll over monthly. Choose pay-as-you-go or subscription plans.

View Full Pricing

Add High-Quality Alt Text to All Images—Fast

Privacy-first. Cancel anytime. Professional alt text that serves both accessibility and SEO.

Start free — 25 images Install WordPress Install Shopify

Need help? Contact Support

Try It Yourself

Accuracy & Context

Bulk at Scale

SEO-Ready

Accessibility-First

How It Works

Connect or Upload

Set Quality Controls

Generate & Apply

Before & After Examples

Pro Tip

Integrations

WordPress

Shopify

Cloudinary

Dropbox

Pinterest

CSV Import

Page Scraper

API

Bulk Processing Modes

In-App Bulk

CSV Import/Export

Platform Tools

Scale Your Impact

Massive Throughput

Intelligent Updates

Time Savings

Instant Results

FAQ

Nothing found.

Quick Guidance: SEO + Accessibility

Do

Don't

Technical Specifications

Simple, Transparent Pricing

Standard Formats

Advanced Formats

Translations

Add High-Quality Alt Text to All Images—Fast