If you want to optimize your video titles for better discoverability on YouTube, CreatorML is worth a look. The AI-powered service helps long-form YouTube creators get more views and engagement by predicting title and thumbnail performance, suggesting attention-grabbing title ideas and scoring thumbnails for the best click-through rates. It bases its recommendations on an analysis of your channel and audience.
Another good option is Gling, AI-powered video editing software that includes the ability to generate YouTube titles and to create video chapters automatically. Gling can help you get to the editing stage faster by automatically trimming out bad takes and adding AI-generated captions and subtitles. It also can offer suggestions for your next video based on your channel and audience.
If you're looking for a more general-purpose pre-production tool, take a look at Maekersuite. It includes a Video Title Generator, YouTube Keyword Analyser and YouTube SEO Analyser. Those tools can help you brainstorm, plan and optimize your video content so you can get to the editing stage faster and make videos that your audience will like.
Last, Thumbly is geared specifically for maximizing your YouTube thumbnails and titles with high-quality, personalized suggestions. It's trained on a large YouTube data set and can give you instant feedback and ratings on your titles and thumbnails so you can improve your video performance with a minimum of effort.