Drop your track. Get the exact timestamp of your song's peak 15-second window — the clip most likely to stop the scroll on TikTok, Reels, and YouTube Shorts.
RMS Energy · Sliding Window · Top 3 Clips · No upload required
Upload your track
Drop your MP3, WAV, FLAC, or M4A. The file is analyzed locally — nothing is uploaded.
Energy analysis runs
The tool measures RMS energy in sliding 15-second windows across your entire track.
Get your top clips
The top 3 peak energy windows are ranked. The #1 window is your TikTok hook.
Use the timestamp
Take note of the start time. Open your DAW or CapCut and trim to that exact window.
The Hook Extractor measures RMS energy in sliding 15-second windows across your entire track. The window with the highest average energy is ranked #1 — this is typically the chorus, drop, or bridge that creates the most sonic impact. The top 3 windows are shown so you can choose based on lyrical content or visual storytelling.
TikTok's most-shared clips are 15 seconds. Instagram Reels work best at 15 or 30 seconds. YouTube Shorts support up to 60 seconds. The Hook Extractor defaults to 15 seconds — the universal hook length that works across all platforms.
No. Your file is analyzed entirely in your browser using the Web Audio API. Nothing is sent to a server. The analysis is instant and completely private.
Related tools