AltText.ai is an AI-powered service that creates alt text for images, supporting more than 130 languages and integrating with many CMS and e-commerce systems like WordPress, Shopify and WooCommerce. It can be used in a variety of ways, including with flexible usage and with SEO optimization with specific keywords, so it's good for different types of users. The service also offers human oversight for high-confidence descriptive accuracy.
If you want a more sophisticated visual analysis tool, Visionati offers image captioning, intelligent tagging and other advanced features. It's geared for digital marketing and storytelling, but it also offers an API so developers can use customizable image descriptions in their own workflows, so it's good for a variety of projects.
Last, ForVoyez is a SaaS service that can automatically generate SEO-optimized alternative text, titles and captions for images. It's got a well-documented RESTful API that makes it easy to integrate into existing applications, so it's good for developers and businesses that want to improve SEO and digital accessibility.