KoguNavi

Unix Timestamp Converter

Turn Unix seconds or milliseconds into readable ISO, UTC, and local date/time values, or convert date/time input back into Unix timestamps.

Local-first

Timestamp conversion runs in your browser. Input values are not uploaded, stored, or logged.

Current Unix time

Seconds
1783189117
Milliseconds
1783189117432

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Try it with

Unix seconds

Input

1704067200

Output

2024-01-01T00:00:00.000Z

Date/time input

Input

2024-01-01T00:00:00Z

Output

1704067200

How to use

  1. Paste or type input into the tool.
  2. Run the action or review live output.
  3. Copy the result, or clear the workspace when finished.

Inputs and outputs

Timestamp or date/time input
A Unix timestamp in seconds or milliseconds, or a date/time string parseable by the browser.
Timestamp conversion
Unix seconds, Unix milliseconds, ISO string, UTC date/time, and local date/time.

What it helps with

  • Debug API timestamps
  • Convert log times
  • Prepare date examples

Useful for structured workflows

  • Normalize timestamp examples
  • Explain API date fields

Good to know

  • Browser local time depends on the user's device timezone.
  • Does not handle historical timezone database edge cases.
  • Custom timezone conversion is not supported in v1.

FAQ

More small answers will be added as the toolbox grows.