Sonix

Sonix is a web-based AI transcription platform for individuals and teams who need fast, accurate transcripts from audio and video files.

Key capabilities include:

• Automatic transcription for common formats like MP3, WAV, MP4, and MOV, with support for 50+ languages
• In-browser transcript editing with timestamps, plus sharing and export for downstream workflows
• Multitrack uploads for separate speaker tracks, with automatic speaker labeling (diarization)
• API access for automated transcription plus translation and subtitling integrations (paid subscription and API key required)

Pricing: Paid, with plan details available on the pricing page (sonix.ai/pricing).

What makes it notable is its combination of high-accuracy transcription, multilingual support, and workflow features (editing, organization, sharing, multitrack speaker handling) in a single online tool, plus an API for developers who want to embed transcription, translation, or caption generation into products and pipelines.