If you're looking for a service to automate image metadata generation and fit into your existing workflow, ForVoyez is a good option. This SaaS service uses sophisticated AI to generate SEO-optimized alternative text, titles and captions for images. It comes with a well-documented RESTful API so you can easily integrate it into your own applications. ForVoyez offers tiered pricing, including an Enterprise option with a custom monthly price and dedicated support.
Another good option is AltText.ai, which supports more than 130 languages and integrates with many CMS and e-commerce sites like WordPress, Shopify and WooCommerce. It uses AI image analysis to generate alt text, and it offers a developer API for custom integration. The service is on a credit system, with a free trial and monthly and annual plans for different levels of use.
If you need a service for image captions and descriptions, CaptionAI offers a broader range of options. It can generate image captions, descriptions and tags to help with web accessibility and search engine optimization. CaptionAI is geared for web accessibility, content discovery and e-commerce sites, and it offers a simple way to categorize images. It offers several pricing levels depending on how many users you have.
Last, AI Keywording is geared for photographers and content creators who want to manage metadata. It'll generate keywords, titles and descriptions, and you can upload batches of up to 100 images. The service bills by the job, so it's economical if you don't use it much, and it can generate a CSV file immediately for integration with stock photo sites and Adobe Bridge.