Bulk Timecode Calculator

Batch diff/sum · Supports 23.976/24/25/29.97/30/50/59.94/60 and Drop‑Frame for 29.97/59.94. Paste from Excel, auto colonize 8‑digit inputs, one‑click copy results.

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Tip: Typing 8 digits like 01000000 auto‑colonizes to 01:00:00:00. Paste area accepts one column (A or B) or two columns (A+B).
A Start timecode
B End/Addend
Result
About 23.976 and Drop‑Frame (click to open)