Screen Capture
Runs locally in your browser; nothing is uploaded. Be mindful of PHI/sensitive data.
Start Screen Capture
Crop: Draw/Move/Resize
Reset Crop
Crop: full frame
Capture Frame (
C
)
Enable Auto Capture
Clear Frames
Capture interval (seconds)
MSE threshold (0 = save everything)
Max frames (0 = unlimited)
Export…
Frames: 0 · Mem: 0 B
Delete
Close (Esc)
◀
▶
Export
Close
Export format
ZIP
GIF
AVI
MP4
Mosaic
Choose one format to continue.
Binning (scale down)
1× (native)
2× (half width/height)
3×
4×
Final size: —
Scales each frame by the selected factor (2× halves width and height). Smaller frames export faster and produce smaller files.
Frame interval (ms)
Controls playback speed for GIF, AVI, and MP4. Lower = faster (higher fps).
GIF Mode
Forward Loop
Forward + Reverse Loop
AVI Codec
MJPEG (built-in)
Uncompressed RGB (compat)
AVI Quality (MJPEG)
Quality:
90%
— applies to AVI only
MP4 Bitrate (kbps)
Target:
4000
kbps — Higher = better quality and larger file
Frame Range
All frames
Custom range
From
To
Skip Interval
None (use all)
Every 2nd frame
Every 3rd frame
Every 4th frame
Every 5th frame
Select frames at regular intervals
Layout
Auto (square-ish)
Custom rows/columns
Columns
Rows
Grid capacity:
9
frames
Show frame numbers
Display small numbered labels on each frame
Add borders around frames
Border width (px)
Border color
Preview
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