Click a point on the waveform to comment at that timestamp. Drag to select a range. Auto-transcription included.
How it works
MP3, WAV, FLAC, AAC, OGG, M4A. Up to 500MB. The waveform is generated on upload.
Click a point for a timestamp comment. Click and drag for a range comment spanning seconds or minutes.
Click any comment marker on the waveform to seek to that moment and read the note.
What every comment captures
Captured
Timestamp (seconds)
Captured
Range start + end
Captured
Waveform region
Features
Click a point for a single timestamp. Drag across the waveform for a range comment.
kiro transcribes audio content automatically. Click any word to seek the player.
Every comment appears as a vertical line on the waveform. Hover to preview. Click to jump.
MP3, WAV, FLAC, AAC, OGG, M4A. Works for podcasts, voice-overs, music, sound design.
Who uses this
Episode reviews with exact timestamps. No more 'that part near the beginning.'
Precise feedback on delivery. Range comments on specific phrases.
Section-level feedback on mixes. Range comments from bar to bar.
Other formats
Video canvas
Click on any paused frame to leave a timecode-accurate comment. Draw directly on the video. Seek from the transcript.
Gallery canvas
Upload a batch. Clients mark Approve, Reject, Favorite, or Maybe on each image. You see it in real-time.
Ready?
Set up your first canvas in under a minute. Free plan, forever.