Timestamp Converter

Convert Unix seconds, milliseconds, and calendar dates in the browser. Uses your local timezone unless noted.

Unix Timestamp → Date
Date → Unix Timestamp
Milliseconds → Date
Current Unix Timestamp

About Timestamp Converter

Convert Unix timestamps to readable dates and dates back to timestamps with this free online timestamp converter. It handles seconds and milliseconds, shows the current timestamp, and displays both UTC and local time so you can debug log entries, API fields, and scheduled jobs quickly. Paste a value and read the result immediately without installing a date library.

Backend logs often store seconds since epoch; JavaScript and some APIs use milliseconds. Mixing them up produces dates in 1970 or in the far future. This converter helps you see which unit you have and what instant it maps to. Developers, SREs, and analysts paste a number from JSON, a database column, or a metric and get a human date. Convert a calendar date back to epoch when you need to seed a test or write a filter.

Current time is available when you want now in Unix form. UTC versus local avoids the classic off-by-timezone bug when a job was scheduled in UTC and read on a laptop. Pair this tool with the epoch converter when you want a slightly different emphasis on epoch numbers, or with the date calculator when you need spans rather than instants.

All conversion is done in your browser with no data sent to a server. Log timestamps and event times stay private. Use this free Unix timestamp converter and epoch time converter whenever you need a fast, private mapping between numbers and dates.