Free AI Audio-to-Text Converter
Upload audio files — get accurate text with timestamps
Transcribe audio files to text with our free AI-powered tool. Upload MP3, WAV, FLAC, OGG, M4A or WebM files and get accurate transcription with timestamps for every segment. Generate SRT and VTT subtitles for your videos. The Whisper AI model runs entirely in your browser — your files never leave your device. No account needed, no file limits.
Features
- AI transcription powered by OpenAI Whisper — runs locally in your browser
- Upload MP3, WAV, FLAC, OGG, M4A, WebM files up to 500 MB
- Timestamps for every segment — know exactly when each phrase was spoken
- Export as SRT or VTT subtitles for YouTube, video editors, and media players
- Choose AI model: Fast (75 MB), Accurate (150 MB), or High Accuracy (250 MB)
- 100% private — your audio files never leave your device
How to Transcribe Audio to Text
- Drag and drop your audio file or click to browse and select it.
- Choose the AI model: Fast for quick drafts, Accurate for best quality.
- Click "Transcribe" — the AI processes your audio locally in the browser.
- Review the transcript, edit if needed, then export as TXT, SRT, or VTT.
Frequently Asked Questions
What audio formats can I upload?
MP3, WAV, OGG, FLAC, M4A, and WebM. Maximum file size is 500 MB. For best results, use clear audio with minimal background noise.
How long does transcription take?
The Fast model (Tiny) processes about 1 minute of audio per minute. The Accurate model (Base) takes about 3 minutes per minute of audio. The first run downloads the AI model to your browser.
Are my files uploaded to a server?
No. The Whisper AI model runs entirely in your browser using WebAssembly. Your audio files never leave your device — this is one of the most private transcription tools available.
Can I generate subtitles from my audio?
Yes! Every transcription includes timestamps. Export as SRT or VTT subtitle files, compatible with YouTube, video editors, and all major media players.
What languages does the AI support?
Whisper supports 90+ languages including English, Spanish, French, German, Chinese, Japanese, Korean, Arabic, Russian, and many more. Language is auto-detected or can be set manually.
Which AI model should I choose?
Fast (Tiny, 75 MB) for quick drafts and short clips. Accurate (Base, 150 MB) for meetings and interviews. High Accuracy (Small, 250 MB) for maximum precision on difficult audio.
Why Choose Our Audio-to-Text Converter
Most transcription services upload your files to remote servers, require paid subscriptions, or impose strict limits. Our tool is different: the Whisper AI model runs directly in your browser, your audio never leaves your device, and there are no limits or costs. Perfect for transcribing meetings, lectures, podcasts, interviews, or any recording into accurate text with timestamps and subtitles.