STT.ai is a speech-to-text platform developed by Muddy Holdings LLC to make AI-powered transcription fast, accurate, and easy for everyone. It helps users convert audio and video into text in over 100 languages using multiple Whisper AI models, with features like speaker detection, live transcription, subtitle exports, and API access for developers. Users like STT.ai because it works without requiring signup for basic use, supports many file formats and online video URLs, offers client-side encrypted transcript storage for privacy, and provides more than 70 free AI-powered tools for audio and transcription tasks. Pricing starts with a Free plan that includes 600 minutes, followed by Basic at $5/month, Pro at $19/month, and Business at $39/month for higher transcription limits and advanced features.