Free AI Transcription Tool
Just upload your audio file. Everything is processed in your browser -- your data never leaves your device.
Drop audio/video file here
Click or drag & drop to select
Supports MP3, WAV, M4A, OGG, WebM, MP4, FLAC
Remaining: 60 min / 60 min (daily)
WhisperApp
Need More from Your Transcription?
Powered by Whisper large-v3-turbo for maximum accuracy. GPU-accelerated processing, speaker diarization, AI summaries, and more. A full-featured Windows desktop app.
On-device processing with the Moonshine engine for high-accuracy transcription on the go. Works standalone or connected to your PC. Android app.
WhisperApp
Need More from Your Transcription?
Choose the right WhisperApp for your needs
Powered by Whisper large-v3-turbo for maximum accuracy. GPU-accelerated processing, speaker diarization, AI summaries, and more. A full-featured Windows desktop app.
Windows 10/11 (64-bit) — All features free for 7 days
On-device processing with the Moonshine engine for high-accuracy transcription on the go. Works standalone or connected to your PC. Android app.
Android — Available on Google Play
Browser vs App — What's the difference?
| Browser | Desktop | Mobile | |
|---|---|---|---|
| Engine | Moonshine | Whisper large-v3-turbo | Moonshine |
| Speed | CPU only (minutes) | GPU (seconds) | Device dependent |
| Speaker ID | - | - | |
| Output | TXT / SRT | 6 formats | TXT / SRT |
| Price | Free | $39+ | Free / IAP |
How to Use
- 1Select the language of your audio.
- 2Drag and drop or click to select your audio/video file.
- 3Click "Start Transcription" to automatically download the AI model (first time only) and begin transcription.
- 4Once transcription is complete, copy the text or download as TXT/SRT.
Features
Completely Free
No sign-up required. Free up to 30 min per file and 60 min per day. High-quality transcription right in your browser.
Privacy Protected
All processing happens in your browser. Your audio data is never sent to any server.
Multi-Language
Supports Japanese, English, Chinese, Korean, and more. Other languages available via multilingual mode.
SRT Subtitle Output
Export as timestamped SRT subtitle files, perfect for video editing.
Supported Formats
Supports major audio and video formats including MP3, WAV, M4A, AAC, OGG, WebM, MP4, and FLAC. Decoding uses the Web Audio API, so any format your browser supports can be processed.
About Privacy
This tool uses WebAssembly (WASM) technology to run all audio processing entirely in your browser. Your audio data and transcription results are never sent to any server. AI models are downloaded only once and cached in your browser.