Turn Audio & Video
into Perfect Text
Upload any audio or video file and get a precise, timestamped transcript in seconds. Powered by OpenAI Whisper — fully local, private, and free.
Drop your file here
Audio or video file · Up to 500MB
Drag & drop, or click to browse
How It Works
Drop in any audio (MP3, WAV, M4A, FLAC, OGG) or video (MP4, MOV, MKV, WEBM). Up to 500MB. Works on desktop and mobile.
OpenAI Whisper processes your file locally on the server — no third-party cloud, no data retention. Handles accents, noise and 99+ languages.
Get a clean transcript with timestamps. Export as TXT, SRT subtitles, Word DOCX, or JSON. Copy to clipboard in one click.
Built for Professionals
Whisper Base model transcribes a 10-minute file in under 60 seconds on CPU.
Auto-detects language. Supports Twi, Hausa, Yoruba, Arabic, Chinese and more.
Switch to Translate mode to get an English transcript from any language audio.
Generate subtitle files with precise timestamps. Drop directly into Premiere, DaVinci or YouTube.
Branded DOCX with formatted timestamps — ready to share with editors or clients.
Everything runs on your own server. No audio leaves your infrastructure.
Search across segments instantly. Jump to any moment by clicking a timestamp.
From Tiny (fastest) to Medium (most accurate). Balance speed and quality for your use case.
FAQ
Yes. Raydex Transcriber runs OpenAI Whisper locally on the server — your audio is never sent to OpenAI or any third party. Files are deleted immediately after processing.
Base is recommended for most use cases — it's accurate and fast. Use Tiny if you need speed over accuracy. Use Small or Medium for difficult audio (heavy accents, noisy environments, technical vocabulary).
Yes — Whisper extracts audio from video automatically. Supported: MP4, MOV, MKV, WEBM, AVI, WMV, FLV and more.
SRT (SubRip Text) files are the standard subtitle format. Upload them directly to YouTube, drop them into Adobe Premiere, DaVinci Resolve, CapCut, or any video editor that supports subtitles.
Whisper supports 99+ languages including English, French, Arabic, Spanish, Mandarin, Swahili, Twi, Hausa, Yoruba, Igbo, Hindi and many more. Set Language to Auto-detect and Whisper will identify it automatically.