BeatSync Pro
Beat-Synced Video Editor
Audio Engine
No audio loaded
Drop audio file or click to upload
MP3, WAV, OGG, M4A — processed locally
0.0s / 0.0s
BPM: —
0 Beats
Trim
In
s
Out
s
Duration: —
Auto Beat Detection
Sensitivity:
5
— Higher = more beats detected
Beat Map — Timestamps for External Editors (e.g. YouTube)
Click waveform to add/remove beats. First clip always starts at 0.0s. Δ column = gap between this beat and the next — useful for YouTube Editor or Premiere.
#
Timestamp
Δ Next Beat
Clip Mapped
Transition
No beats added. Click the waveform or use Auto Detect.
Video Engine
0 clips
Upload clips in the order you want them to appear. Drag handles to reorder. Each clip maps to one beat segment — enable Loop to repeat a clip across multiple beats.
Drop video files or click to upload
MP4, MOV, WebM — multiple files supported
📊
Beat Timeline — Visual Clip Mapping
Add audio beats and video clips to see the timeline.
Transition Style
Crossfade
Default transition applied to all beats. Select to apply globally.
Duration:
0.5s
Render Engine
Checking codec…
●
Ready
Rendering...
0%
⚡ Uses WebCodecs + mp4-muxer — outputs real H.264/AAC .mp4 with full metadata. Plays on YouTube, mobile, WhatsApp, every editor — no conversion needed. Requires Chrome 94+, Edge 94+, or Safari 16.4+.
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