Paste durations
Formats: MM:SS, H:MM:SS, or a single number = seconds
Lines starting with # are ignored.
One duration per line—total length in seconds, clock time, and decimal hours
Formats: MM:SS, H:MM:SS, or a single number = seconds
Lines starting with # are ignored.
Each non-empty line can be MM:SS, H:MM:SS (or HH:MM:SS), or a plain number interpreted as seconds. Lines starting with # are treated as comments.
Every parsed segment is converted to seconds, summed, then shown as a human-readable total. Fractional seconds from decimals are supported where the parser allows.
Editing apps may use drop-frame timecode, different rounding, or frame-based math. This page sums parsed wall-clock style durations for planning.
Yes—each line is interpreted independently before summing. Keep units consistent within a line.
No. Parsing and addition run in your browser; nothing is intentionally sent to a server for the calculation.
No. It is a quick planning helper for podcasts, playlists, and rough edits.