ISO 8601 ↔ Epoch Converter
Convert between ISO 8601 datetime strings and Unix epoch (seconds or milliseconds). Both directions supported.
Last updated: 2025-03-02
Convert between ISO 8601 datetime strings and Unix epoch (seconds or milliseconds). Both directions supported. Use this tool whenever you need to work with dates and timestamps quickly.
All processing runs in your browser — your data is never sent to our servers. No sign-up required.
Use the fields below to enter your input, adjust any options, then copy or download the result.
How to use
- Enter or paste your input in the field below.
- Adjust options if the tool supports them.
- Copy or download the result as needed.