If you need a service to automatically add metadata to your image files based on AI analysis, CaptionAI is a good option. It can generate captions, descriptions and tags that help with web accessibility, search engine optimization and content organization. That's useful for web accessibility, content discovery and e-commerce sites, and it offers a range of pricing options depending on your needs.
Another option is AI Keywording, which is geared specifically toward producing keywords, titles and descriptions that are accurate and relevant. The service can handle bulk uploads and integrates with stock photo sites and Adobe Bridge. It's designed to free up time for photographers and other content creators by automating keywording and description chores, and it uses a pay-per-use pricing model that can be more economical.