12hr → 24hr Converter
Convert AM/PM times to 24-hour format and back — one at a time or bulk paste a whole list.
24hr → 12hr Converter
Convert 24-hour times to 12-hour AM/PM format and back — one at a time or bulk paste a whole list.
Minutes → Hours Converter
Convert minutes to hours and minutes — single values, bulk lists.
Hours → Minutes Converter
Convert hours to minutes. single values, bulk lists.
Seconds → Minutes Converter
Convert seconds to minutes and hours — single values, bulk lists.
Time Addition Calculator
Add as many durations as you need — HH:MM:SS or MM:SS. Built for video editors, podcasters & planners.
Date Format Converter
Convert dates between various formats, single values or bulk lists.
ISO 8601 Date Converter
Convert any date ↔ ISO 8601. With timezone offsets, all variants, and a built-in ISO decoder.
Time → % of Day
Convert any time to its percentage through the day — useful for scheduling, progress tracking, and data visualization.
Bulk Date Format Converter
Convert dates between various formats, single values or bulk lists.
Spoken Time Converter
Convert spoken time expressions to digital format and vice versa.
Video Runtime Calculator
Calculate total runtime for video clips — add durations, get instant HH:MM:SS breakdown.