Unix Timestamp Converter

Convert Unix timestamps (epoch seconds/milliseconds) to human-readable dates and vice versa. See UTC, local, and custom timezone outputs. Use batch mode for multi-line inputs.

Inputs
Auto-detects seconds vs. milliseconds by length.
Assumes local time when converting to a timestamp.
e.g., +5.5 (IST), -4 (EDT)
Batch Converter
Notes:
  • Unix timestamp is seconds since 1970-01-01T00:00:00Z. Milliseconds are seconds × 1000.
  • Use the custom TZ offset to visualize the same instant in a chosen timezone.
Results
Epoch Seconds: —
Epoch Milliseconds: —
UTC: —
Local: —
Custom TZ: —
ISO 8601: —
Relative: —
Current Time (updates every second)
Now Epoch Seconds: —
Now Epoch Milliseconds: —
UTC: —
Local: —
Custom TZ: —
ISO 8601: —
Batch Output

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