🎵 Audio Duration Calculator
Calculate the duration and size of one or multiple audio files directly in your browser.
🔒
Local-first
• No account required
• Your audio files stay on your device
Choose audio files
Select one or multiple audio files to calculate their duration.
or drag & drop audio files here
Selected Audio
0 files
Choose an audio file to begin.
| File | Duration | Seconds | Size | Type |
|---|
Tip:
For best results, use a standard audio format such as
MP3, WAV, M4A, AAC, OGG or FLAC supported by your browser.