Epoch Batch Converter

Convert a list of Unix timestamps to readable dates in bulk.

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Timestamps

One timestamp per line

Converted (ISO 8601 UTC)

InputISO 8601 (UTC)
17000000002023-11-14T22:13:20.000Z
17100000002024-03-09T16:00:00.000Z
17200000002024-07-03T09:46:40.000Z

About the Epoch Batch Converter

Paste a batch of Unix timestamps, one per line, and convert them all at once to ISO 8601 UTC dates, with auto-detection of seconds vs milliseconds.

Examples

Batch of timestamps

1700000000
1710000000

Output

2023-11-14T22:13:20.000Z
2024-03-09T18:20:00.000Z

Keyboard shortcuts

  • Copy the main outputCtrl / ⌘ + Shift + C
  • Download the resultCtrl / ⌘ + S
  • Share this toolCtrl / ⌘ + Shift + S
  • Reset the inputsAlt + R
  • Open the tool search paletteCtrl / ⌘ + K

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Frequently asked questions

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Version 1.0.0 · Updated 2026-08-07 · Runs entirely in your browser