Epoch Batch Converter
Convert a list of Unix timestamps to readable dates in bulk.
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
1710000000Output
2023-11-14T22:13:20.000Z
2024-03-09T18:20:00.000ZKeyboard 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
Read more
- Timezones and UTC: the developer's survival guide
Why every timestamp bug traces back to the same handful of mistakes, and the rules that make timezone handling boring instead of terrifying.
Version 1.0.0 · Updated 2026-08-07 · Runs entirely in your browser