Waveform preview
Inspect a visual overview of any audio file.
Drop a file here or choose from your device
Processed privately with FFmpeg in this browser.
A practical guide to Waveform preview
Waveform Preview draws an amplitude overview of an audio file so you can locate loud sections, quiet gaps, and the overall duration. It is an inspection tool and does not alter the source.
Example: locate dead air before editing
Load the recording, identify long flat sections at the beginning and end, then use the trim tool with the matching timestamps.
Task-specific steps
- 1
Choose an audio file and wait for the browser to decode enough data to draw the complete duration.
- 2
Scan the waveform for clipped-looking peaks, extended quiet regions, abrupt cuts, and changes in density.
- 3
Use the observed timestamps to guide another editing tool while keeping the original waveform as a reference.
Options that affect the result
- The full-track overview makes relative amplitude and timing easier to compare than audio playback alone.
- Playback and seek controls let you listen at a visual event before deciding what it represents.
Limitations to know first
- A waveform shows amplitude, not frequency balance, perceived loudness, speech accuracy, or audio quality.
- Very long or high-resolution files need more decoding time and memory before the complete overview appears.
Questions specific to this task
Does a tall waveform always mean the audio is too loud?
No. Height is relative amplitude. Listen and check for flat-topped clipping or unwanted level differences before drawing a conclusion.
Can I edit audio directly in the waveform preview?
No. Use it to identify timestamps, then move to trim, silence removal, normalization, or another editing workflow.