Convert, compare, and generate dates and times
Convert Unix timestamps to human-readable dates and vice versa. Support for milliseconds and various formats.
Convert Unix epoch seconds to UTC date and time (ISO 8601). Paste a timestamp or pick a date — free, instant, runs in your browser.
Convert UTC date and time strings into Unix timestamps in seconds since the Unix epoch.
Convert a total number of seconds into hours, minutes, and seconds for easier reading and configuration.
Convert a time duration expressed as hours, minutes, and seconds into a single total seconds value.
Generate random dates in a custom range and random times in 24h or 12h format. Ideal for test data, mock APIs, and scheduling demos. Runs in your browser.