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· Last updated：2025-12-18
Get the exact duration of an audio file
Details
Uses ffprobe to return precise length (seconds, milliseconds, and formatted time) plus per-stream timing info.
Execution
Fill in the form, run the tool, and review the result in one place.
Samples
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Tool usage guide
The Audio Duration Checker uses ffprobe to accurately measure the length of any audio file, providing duration in seconds, milliseconds, and formatted time, along with per-stream timing details.
Background
A podcast host records episodes and needs to ensure they are within the 60-minute limit for their hosting platform.
Problem
Manually timing the audio is inaccurate and time-consuming.
How to use
Upload the podcast episode MP3 file to the Audio Duration Checker.
Outcome
The tool returns the exact duration, confirming it is 58 minutes and 30 seconds, within the limit.
Background
A video editor has an audio track that must be precisely synced with video footage in the timeline.
Problem
The audio file's duration needs to be known to align it correctly without guesswork.
How to use
Use the tool to get the duration of the audio file in milliseconds.
Outcome
The JSON output shows the duration is 120.456 seconds, allowing for accurate synchronization in the editing software.
Common formats like MP3, WAV, AAC, and others that ffprobe can read are supported.
It provides precise measurements down to milliseconds using ffprobe.
Yes, the maximum file size is 200 MB as per the tool's configuration.
No, it is designed specifically for audio files; video files require a different tool.
It includes duration in seconds, milliseconds, formatted time, and details for each audio stream.