About this plugin
The only WordPress plugin that combines image compression AND AI alt text generation in one.
Stop juggling multiple plugins. Altomatic automatically compresses your images to WebP and AVIF formats while generating accurate, SEO-optimized alt text using AI, all in a single upload.
Why Altomatic?
- 2-in-1 Solution – Image compression + alt text generation in one plugin (no need for separate tools)
- Improve Core Web Vitals – Smaller images = faster LCP scores
- Better SEO – AI-written alt text helps Google understand your images
- SEO Plugin Integration – Uses focus keyphrases from Yoast SEO, Rank Math, and AIOSEO for keyword-rich alt text
- 50+ Languages – Generate alt text in Spanish, French, German, Japanese, and 50+ more for multilingual sites (WPML, Polylang)
- Accessibility Compliance – Auto-generated descriptions for screen readers (EAA/ADA/WCAG)
- WebP & AVIF Support – Next-gen formats with automatic browser fallback
Perfect For
- WooCommerce stores – Optimize product images for faster load times and better product SEO
- Bloggers & content creators – Focus on writing, not image optimization
- Agencies – Bulk optimize client sites with one tool
- Sites needing accessibility compliance – Meet EAA, ADA, and WCAG requirements automatically
- Anyone who wants to pass Core Web Vitals – Fix image-related performance issues automatically
The Only All-in-One Solution
Most image optimization plugins only compress images. Most alt text plugins only generate descriptions. Altomatic does both, saving you money and simplifying your workflow.
- Image Compression – Yes (compression-only plugins can’t generate alt text)
- WebP/AVIF Conversion – Yes (alt text-only plugins can’t convert formats)
- AI Alt Text Generation – Yes (compression-only plugins don’t do this)
- Single Plugin – Yes, no need to install and pay for 2 separate tools
Key Features
Automatic Alt Text Generation
Every uploaded image is analyzed by AI and descriptive, SEO-friendly alt text is automatically added to the image properties. No manual work required: just upload and go.
Image Compression & Format Conversion
Compress images and convert to modern WebP and AVIF formats for dramatically smaller file sizes. The only alt text plugin that also optimizes your images, no second plugin needed.
Keyword-Rich Alt Text with SEO Plugin Integration
Seamlessly integrates focus keyphrases from popular SEO plugins, including Yoast SEO, Rank Math, and All in One SEO (AIOSEO), to generate keyword-rich alt text that aligns with your on-page SEO strategy.
Optimized for WooCommerce
Automatically optimizes WooCommerce product images, thumbnails, and gallery images. AI-generated alt text helps your products appear in Google Image Search and improves product page SEO.
Supports Multiple Formats
Handles JPG, PNG, and WebP images. Convert to next-gen formats with automatic browser fallback for maximum compatibility across all devices.
Bulk Optimization
Use the bulk optimization tool to process your entire existing media library. Optimize hundreds of images and generate alt text with one click.
Core Web Vitals Ready
Smaller images directly improve your Largest Contentful Paint (LCP) score, one of Google’s key ranking factors. Fix image-related performance issues automatically.
Accessibility Compliance
1 requirements for image descriptions. Support screen readers with accurate, meaningful image descriptions on every page.
Alt Text in 50+ Languages
Generate AI alt text in 50+ languages, including Spanish, French, German, Italian, Portuguese, Dutch, Japanese, Korean, Chinese, Arabic, Hindi, and more. Perfect for multilingual and international WordPress sites built with WPML or Polylang. Just choose your language in the plugin settings.
Review and Edit
See what was processed and manually edit or regenerate the AI-generated alt text at any time. Full control over your image descriptions.
Try for FREE
50 free credits every month. No credit card needed to get started.
Configuration
- Go to Settings > Altomatic
- Click “Get API Key” – enter your email and a 6-digit verification code will be sent to you. Enter the code and your API key is saved automatically. Or paste an existing key from altomatic.ai/profile.
- Customize your settings:
- Select image sizes to optimize
- Choose output formats (WebP/AVIF/original)
- Enable automatic alt text generation
- Configure responsive image settings
Free plan includes 50 credits/month. Upgrade your plan for more.
External Services
ai) to perform image optimization and alt text generation. Your images are uploaded only during processing and are never made public or shared.
ai/api) for account authentication when using the “Get API Key” feature. This sends your email address to request a verification code and retrieve your API key.
See terms of use and privacy policy for more details.
Support & Contact
- Website: https://altomatic.ai
- Support Email: [email protected]