Unix Timestamp Converter Online - Epoch to Date & Batch

Logs, JWT exp and DB ints often look like 1717200000. Get a live clock, sec/ms units, local vs UTC, relative phrases, and batch lines—all local. Timestamp conversion runs locally; nothing is uploaded.

Now

Seconds —

Milliseconds —

Timestamp → Date

Timestamp or date Unit

Local—

UTC—

ISO 8601—

Relative—

Date → Timestamp

Date time

Converts using your local timezone to Unix seconds

Batch convert

Input (one per line)

Output

16 uses

How to convert a timestamp to a date?

Features

Live clock
Updates every second; copy sec or ms
Auto unit
Numeric input auto-detects 10-digit sec vs 13-digit ms
Multiple outputs
Local, UTC, ISO 8601, relative time
Date → epoch
datetime-local picker back to Unix seconds
Batch mode
Convert many timestamps or dates at once

Use cases

Decode server log timestamps
Check JWT exp/iat fields
Convert API doc epoch examples
Debug DB integer time columns
Align meeting times across zones

How to use

Copy live sec/ms from the top card
Paste a number or date; pick sec/ms if needed
Read local, UTC, ISO and relative results
Use batch area for many lines

FAQ

Q10 vs 13 digits?

10 digits = seconds; 13 = milliseconds. Long numerics are auto-detected.

QWhich timezone?

Local uses your browser zone; UTC/ISO follow standard offsets.

QDate strings?

Values like 2024-06-01 or ISO strings parse via the browser Date API.

QBatch rules?

One value per line; numbers → dates, other lines parsed as dates when possible.

QIs data uploaded?

Timestamp conversion runs locally; nothing is uploaded.

Unix timestamp conversion

Unix time is seconds (or milliseconds) since 1970-01-01 UTC. Logs, JWT exp and DB fields often store numbers. 13 digits usually mean ms, 10 mean seconds. Mind timezone when comparing local time, UTC and ISO 8601 strings.

1717200000  →  2024-06-01 00:00:00 UTC