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Batch Epoch Converter

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How to Use

Paste one or more Unix timestamps, one per line or comma-separated. Each timestamp is converted to ISO 8601, UTC, and local time formats. Both seconds and milliseconds are auto-detected.

Epoch Timestamps

Unix timestamps count the seconds (or milliseconds) since January 1, 1970 00:00:00 UTC. Values below 10^12 are treated as seconds; above as milliseconds. Invalid entries are marked with an error.

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