Reel Chopper
Drop. Mark. Walk away.
0% upload · 100% local 📊
THE TRUTH
ABOUT SPEED
FULL LESSON → YT
⚠ Banned word — generic, low CTR
🎬
Drop a clip → get a captioned reel
MP4 · MOV · MKV · M4V — stays in your browser, nothing uploads.
or press ⌘O to pick a file
◐ Rendering…
✓ Done
Captions your words · crops vertical · ready to post.
Nothing uploads — it all runs right here.
✓
Your reel is ready
ready to post
📊 Posted it? Track it in Shorts Lab →
Clip · trim
Crop · subject
Text · brand
Drag the text on canvas. Click to edit. Font + colour bake into the export.
Output
On-device RNNoise. Hold H on preview = original audio · release = enhanced.
Your words → captions → reel. One click.
timeline
— / — Snap: ready
📥
Drop masterclass to begin
Stays on your machine · ffmpeg runs in this browser tab
…

Desktop handoff

If your browser hits a wall on a 4K source, run this generated ffmpeg script on your Mac instead. Same crops, same overlays, native speed.
— add clips to the queue first —
Something needs attention

✨ Hook variants · V24

🔒 Sends current hook + transcript to Gemini. No video.

🎞 B-roll candidates · V13.1

Pick a folder of your existing footage.
🔒 Scan is local. Filenames + first-frame thumbs computed in-browser. No upload.

📤 Cross-post manifests · V17

🔒 Reel Chopper does NOT upload. Manifests below are templates. You copy → paste into TikTok/IG/YT yourself.
📊 V17.1 · Analytics shadow — paste the LIVE platform URL after you upload, fetch public metrics. NEVER posts.

✂ Auto-tighten · music-safe

Analyzing captions…
Music-shield ON by default. Cuts only land in speech zones (word density > 0.5/s).

Keyboard

Open file⌘O
Play / pauseSpace
Set in-pointI
Set out-pointO
Frame back / forwardJ L
Chop / render⌘↩
Toggle safe zonesS
Toggle themeT
Add to queue⌘Q
Show / hide queueQ
Render all queued⌘R
Show this map?
— V22 · AI assistants (Cmd-Shift) —
Auto-caption (V11)⌘⇧C
Auto-tighten (V12)⌘⇧T
Gemini emoji (V13)⌘⇧E
Studio Voice (V15)⌘⇧V
Diarize speakers (V18)⌘⇧D
B-roll scan (V13.1)⌘⇧B
Hold-H = original audio (V15.2)H
Undo last trim (V19)⌘Z
Redo last trim (V19.1)⌘⇧Z