What are the benefits of Unix Timestamp Converter?

Instantly decode timestamps from server logs, API responses, and database records, accelerating debugging workflows.. Supports both seconds and milliseconds, ideal for JWT tokens, databases, log analysis, and monitoring tool integration.. Check only the timestamp portions extracted from logs, reducing unnecessary copying during investigations.. Displays multiple formats (ISO 8601, RFC 3339, local time) simultaneously, simplifying API-compliant conversions..

Is Unix Timestamp Converter free?

Yes, it is completely free to use, and no registration is required. Tool processing happens entirely in your browser, and your input content and uploaded files are not sent to a server. Our first-party improvement metrics use no cookies, visitor IDs, or session IDs and store only normalized page paths and daily counts for fixed event IDs.

Unix Timestamp Converter

Convert between Unix epoch seconds and human dates

日時変換

Unixタイムスタンプ変換

Unixタイムスタンプと人間が読める日時を相互変換します。

現在のUnix時刻

—

タイムスタンプ → 日時

日時 → タイムスタンプ

入力した値をこの画面上で日時変換に使用します。

About Unix Timestamp Converter

This tool provides bidirectional conversion between Unix timestamps (epoch seconds) and human-readable date-time strings. A Unix timestamp represents time as the number of seconds elapsed since January 1, 1970 00:00:00 UTC, and is used across virtually all computing systems including Linux and macOS system logs, MySQL and PostgreSQL databases, REST API responses, JWT token iat/exp/nbf claims, cron job logs, monitoring platforms like AWS CloudWatch and Datadog, Git commit AuthorDate fields, and Slack message ts fields.

The converter supports both second-precision and millisecond-precision timestamps commonly used in JavaScript and Java, automatically detecting the unit from the number of digits. This tool supports both ISO 8601 format (2023-11-14T22:13:20Z) and RFC 3339 format, allowing you to work with date formats required by different development environments.

A live clock showing the current Unix time makes it easy to grab test timestamps. Relative time display ("3 days ago") provides intuitive understanding of when log timestamps occurred. When working with sensitive logs, enter only the timestamp values needed for conversion.

The converter also handles negative timestamps, supporting conversion of historical dates before 1970 and legacy system data.

How to use Unix Timestamp Converter

Enter a Unix timestamp (e.g. 1700000000) to see the corresponding date and time. Auto-detects seconds or milliseconds.
Enter a date and time (e.g. 2023-11-14T22:13:20Z) to calculate the corresponding Unix timestamp.
Click 'Now' to grab the current timestamp. Supports both ISO 8601 and RFC 3339 formats.
Relative time display shows when log timestamps occurred (e.g. '3 days ago') at a glance.
Handles negative timestamps, supporting conversion of dates before 1970 and legacy systems.

Benefits of Unix Timestamp Converter

Instantly decode timestamps from server logs, API responses, and database records, accelerating debugging workflows.
Supports both seconds and milliseconds, ideal for JWT tokens, databases, log analysis, and monitoring tool integration.
Check only the timestamp portions extracted from logs, reducing unnecessary copying during investigations.
Displays multiple formats (ISO 8601, RFC 3339, local time) simultaneously, simplifying API-compliant conversions.