Voyn Software
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💧 Video Watermark
First-frame preview updates live. Export applies the same settings with FFmpeg.wasm.
Load Video
Export
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Watermark
Type
Image Logo (PNG)
Text (renders to PNG)
Logo Image
Text
Font Family
Font Size (px)
Text Color
Outline Width (px)
Outline Color
Padding (px)
Size (% of width)
Scale Basis
Output width
Source width (keep apparent size)
Opacity (%)
Position
Top Left
Top Center
Top Right
Center Left
Center
Center Right
Bottom Left
Bottom Center
Bottom Right
Offset X (px)
Offset Y (px)
Show From (sec)
Show Until (sec, 0 = end)
Animation
None
Fade In + Fade Out
Fade In only
Fade Out only
Blink (on/off)
Fade In (sec)
Fade Out (sec)
Blink Period (sec)
Blink Duty (%)
Resolution
Source (no limit)
Limit to 1080p
Limit to 720p (memory saver)
Limit to 480p
Auto (if >1080p → 720p)
Format
MP4 (H.264 + AAC)
WebM (VP9 + Opus)
MKV (H.264 + AAC)
Quality (CRF)
Audio
Copy audio
Mute
Source Size
—
Local only
Alpha-aware
No upload
Watermark Preview (first frame)
Tip: drag the pink handle to resize; use Position & Offsets to move.
Preview (original video)
Live player shows the original; export applies the watermark with the same settings.