TC Calculator - Timecode

Fast drop-frame & SMPTE math

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

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.

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The developer, DENZO LAB, INC., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    • DENZO LAB, INC.
    Size
    • 1.6 MB
    Category
    • Photo & Video
    Compatibility
    Requires iOS 15.0 or later.
    • iPhone
      Requires iOS 15.0 or later.
    • iPod touch
      Requires iOS 15.0 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 DENZO LAB, INC.
  • Privacy Policy