Timecode calculator
Add and subtract SMPTE timecode across multiple rows, with support for common frame rates and drop-frame.
HH MM SS
Total
00:00:00
Aspect ratio calculator
Pick a ratio and enter one dimension to calculate the other, keeping your frame proportions exact.
Custom ratio
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Resolution
1920 × 1080
Letterbox matte
Fit the selected ratio inside a target frame and export a transparent PNG matte to overlay on footage.
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