Captioner is an AI tool focused on generating video subtitles, optimized using OpenAI's Whisper model to deliver highly precise subtitles. It supports over 98 languages, can handle videos up to 3 hours long, and provides a seamless subtitle editing experience. Key advantages include high accuracy transcription, exact timestamp alignment, support for multiple subtitle formats (like SRT, VTT), and a user-friendly editing interface designed for content creators. The background is aimed at providing efficient, low-cost subtitle solutions, helping creators save time and enhance content quality. Two paid plans are available: $10/month (annual payment) and $20/month (monthly payment), with a 60-minute free trial offered.