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Upload
2
Transcribe
3
Style & Edit
4
Export
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🎬
Drop your video or audio here
MP4 · MOV · WEBM · MKV · MP3 · WAV · M4A
Everything runs in your browser — nothing is uploaded
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Starting up…
⚠️ CapFlow is transcribing your video — this takes 30 seconds to 2 minutes depending on length. If Chrome shows "Page Unresponsive" — click "Wait", this is normal. It will complete automatically.
Preview
LIVE
🎵Audio file — transcription works fine
✦ drag captions or text overlays to reposition
Caption Style LIVE PREVIEW
Quick Presets
TikTok
Subtitle
🎬 Cinema
🔥 Fire
Clean
⚡ Rapid
My Presets PRO
No saved presets yet — upgrade to Pro to save your styles
Font Family
Custom Font PRO
🔤 Upload .ttf / .otf / .woff2
Size
28
Format
Align
Text Color
#ffffff
Highlight Color
#00c97a
Quick colours
From preset
Background Color
BG Opacity
0%
Outline Color
Outline Width
2
Padding
12
Caption background Show background box behind text
Highlight underline Underline active word on highlight
Auto-censor profanity Replaces f**k, b**ch, s**t, etc.
CapFlow watermark Shown on export
✦ Glow Effect
Glow Style
Glow Color
Intensity
5
⚡ Caption Animation
Entrance Style
Speed
7
Captions
0 lines
Your captions will appear here after transcription.
Click any line to jump to that moment in the video.
Export
Subtitles
Good for most Shorts
Resolution
Quality
Frame Rate
Format
🎞️
Premiere Pro: SRT → Window → Captions → ≡ → Import Captions From File
DaVinci Resolve: Timeline → Import Subtitles → select SRT
CapCut: Text → Import SRT
🎬
Start a new video?
Your current captions and edits will be permanently deleted. This cannot be undone.
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Batch Export
Caption multiple videos and export them all at once. Add the current video to the queue, then load and caption your next video.
1 Caption video
→
2 Add to queue
→
3 Repeat
→
4 Export all
No videos in queue yet
Caption your video then click "Add to queue"
✂
Trim Silence
CapFlow analyses your audio and removes silent gaps from your captions automatically. Choose how aggressive the trim should be.

Clean it up Recommended

Removes pauses longer than 0.3s. Best for talking-head videos, tutorials, and anything where tight pacing improves retention.

Keep natural pauses

Only removes long gaps over 1.2s. Preserves your natural speaking rhythm. Better for storytelling and educational content.