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Unix timestamp converter

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Unix timestamp converter turns epoch seconds into a date, or a date into unix time. See local, UTC, and ISO at once. Free, private, no sign-up.

Your timezone
2026-09-20 17:22:45
UTC
2026-09-20 15:22:45 UTC
ISO
2026-09-20T15:22:45.000Z
Unix time is seconds since 1 Jan 1970. Logs and APIs use it a lot. Conversion stays on your device.

How it works

  1. 1

    Enter your data

    Text, a link, or settings — right on this page.

  2. 2

    Instant result

    Everything runs on your device. We do not get a copy.

  3. 3

    Copy or save

    Use it right away.

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Why people use Toolsy

Fast

You get the result in a second. No waiting in a line.

Private

Browser tools stay on your device. Uploaded files are processed and discarded with the response.

No sign-up

Open the page and start. An account is only for paid plans.

Other tools

Use a unix timestamp converter for logs and APIs

A unix timestamp converter turns the long numbers in logs into dates you can read. Paste a value and see local time, UTC, and ISO in one place.

Go the other way when you write scripts or API calls. Type a date and copy seconds or milliseconds without opening a spreadsheet.

This unix timestamp converter runs in your browser, so you can debug on a shared machine without uploading timestamps.

Good for

  • Log debugging
  • API payloads
  • Script timestamps
  • Epoch checks

Tips

  • Check seconds vs milliseconds
  • Compare local and UTC
  • Copy the ISO string for APIs
  • Paste one value at a time

Common questions

What does a unix timestamp converter do?

It turns a unix timestamp (seconds or milliseconds since 1 Jan 1970 UTC) into a readable date, or a date into unix time.

Does this unix timestamp converter support milliseconds?

Yes. Short numbers are treated as seconds; longer ones as milliseconds.

Can a unix timestamp converter show UTC and local time?

Yes. You get local time, UTC, and an ISO string from the same input.

Is this unix timestamp converter free?

Yes. Convert as often as you need with no account.

Is my data uploaded in this unix timestamp converter?

No. Conversion runs in your browser. We do not see or store what you type.

Unix Timestamp Converter Free Online — Toolsy