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Unix Timestamp Converter

Convert Unix timestamps to human-readable dates and vice versa.

Processed in your browserUpdated · Jan 2026
Input
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Output
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How to use Unix Timestamp Converter

Paste your input on the left, choose the options you want, and the output appears instantly on the right. Everything runs in your browser — none of your data is sent to a server.

  • Paste or type your input in the INPUT panel
  • The output regenerates automatically as you type
  • Use Copy to put the result in your clipboard
  • Click Sample to load a working example

What is Unix Timestamp Converter?

Unix Timestamp Converter converts between Unix timestamps (seconds since January 1, 1970 UTC) and human-readable date/time strings. Supports both seconds and millisecond timestamps, and multiple output formats including ISO 8601, UTC, and local time. This tool is part of santekno's developer toolbox — a curated collection of utilities built for engineers who care about speed, privacy, and simplicity.

Common use cases

  • Debugging API payloads and integration issues
  • Inspecting tokens, hashes, or encoded strings during development
  • Generating fixtures and sample data for tests
  • Sharing readable output with teammates in code reviews

FAQ

A Unix timestamp is the number of seconds elapsed since January 1, 1970 at 00:00:00 UTC (the Unix epoch).