Lumarc DevTools

Date and Time Tools

Unix Timestamp Converter

Convert Unix timestamps to human-readable UTC and local dates, or convert dates back to Unix time.

Processed locally — your data never leaves this browser. Input: Timestamp or date Output: Converted date values
Timestamp or date

Processed locally — your data never leaves this browser.

Converted date values

Tool discovery

Explore more developer tools

Jump to closely related utilities or browse the full Lumarc DevTools directory.

UUID Generator

Generate RFC 4122 version 4 UUIDs locally using the browser crypto API.

Generator Tools · Options → UUID list

JSON Formatter

Beautify JSON and validate syntax with readable indentation and precise parse errors.

JSON Tools · JSON text → Formatted JSON

URL Decoder

Decode percent-encoded URL text into readable characters.

Encoding Tools · URL-encoded text → Decoded text
Browse all tools Date and Time Tools

Example input and output

Unix epoch

0
1970-01-01T00:00:00.000Z

How to use Unix Timestamp Converter

Paste or enter your timestamp or date, adjust any options, then run the tool. The result appears in the output panel where you can copy or download it.

Related guides

What this tool does

The Unix Timestamp Converter helps debug logs, API fields and database records by converting seconds or milliseconds since the Unix epoch. It is free to use and designed for technical workflows where pasted data should stay private.

Common use cases

  • Debug logs
  • Inspect API timestamps
  • Convert database epoch fields

Privacy and security

Processed locally — your data never leaves this browser. Lumarc DevTools does not include a backend, account system or hidden analytics in this initial release.

Limitations

  • Leap seconds are not represented by the JavaScript Date model.

Frequently asked questions

Does the converter use seconds or milliseconds?

It accepts either seconds or milliseconds and labels both in the output.