EpochLens
Open EpochLens

Unix time · ISO offsets · exact precision

One instant, every explicit Unix representation

Avoid digit-count guesses and local-time ambiguity. EpochLens uses BigInt, validates the calendar and preserves nine fractional digits.

Open EpochLens

No account · no remote clock · no saved values

Three explicit steps

Choose, enter, verify

01

Choose a direction

Timestamp to date or offset-bearing date to timestamp.

02

Name the unit or offset

No heuristic changes the meaning of your input.

03

Compare exact evidence

Read UTC ISO and all four epoch units.

Developer time checks

Useful for logs, APIs and database values

  • Decode a signed API timestamp.
  • Compare milliseconds with seconds.
  • Preserve a nanosecond fixture.
  • Make an ISO offset explicit.

Reviewed boundaries

Reproduce epoch and nanosecond fixtures

Choose the epoch unit or provide an ISO date with an explicit offset. Values never leave this browser.
View examples

Exact units · browser only

Convert one instant without guessing

Choose the epoch unit or provide an ISO date with an explicit offset. Values never leave this browser.

Open EpochLens