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Unix Timestamp Converter

Convert Unix seconds or milliseconds to ISO dates and convert ISO date-time strings back to Unix timestamps.

Built for: unix timestamp converter
Runs on your deviceFree · no signup
Included in this tool
Seconds/millisecondsISO date outputDate to timestampLocal timezone/UTC
What this tool includes

Everything you need, without a paywall.

Seconds/milliseconds
ISO date output
Date to timestamp
Local timezone/UTC

This tool is free, needs no account, and adds no watermark to your result. Text operations run on your device where the browser can do the work safely; file conversions run on the server and your upload is deleted as soon as your download finishes.