TC Calculator - Timecode

Add and subtract timecode across 9 frame rates with correct drop-frame and non-drop handling. Instant frame, second, and feet conversions. Fully offline, no account.

TC Calculator is a fast, no-nonsense timecode calculator built for video and film professionals on set and in post.

Add and subtract timecodes in a single tap and read the result instantly, with live conversions to frames, seconds, and feet+frames.

FRAME RATES Work in any of nine frame rates: 23.976, 24, 25, 29.97, 30, 48, 50, 59.94, and 60 fps.

DROP-FRAME DONE RIGHT Correct drop-frame (DF) and non-drop (NDF) math, including the proper ";" and ":" separators. 29.97 and 59.94 drop-frame are handled exactly, with 24-hour wrap-around.

INSTANT CONVERSIONS Every result shows total frames, real-time seconds, and feet+frames (35mm, 16 frames/foot) at a glance.

MADE FOR THE JOB

• Clean, dark interface that's easy to read on set
• A and B operands with quick clear buttons
• Calculation history that remembers your confirmed results
• Works fully offline — no sign-in, no setup

PRIVATE BY DESIGN No account, no servers, no tracking, no ads. The app collects nothing; everything stays on your device.

TC Calculator is a reference tool. Results are calculated from the values you enter — for delivery-critical work, always verify against your production's official timecode references.