Does the timestamp converter use my timezone?

Local date input and local output use your browser timezone. ISO output is UTC.

Can it handle milliseconds?

Yes. Very large timestamp values are treated as milliseconds, and both seconds and milliseconds are shown.

No. Time conversion is calculated entirely in your browser.

Time Only

Convert Unix seconds to a readable date, or turn a local date and time into a Unix timestamp.

Input

Unix Timestamp

Timestamp to Date · auto

Local Date and Time

Output

Ready

Seconds

1780139529

Milliseconds

1780139529007

ISO

2026-05-30T11:12:09.007Z

Local

5/30/2026, 11:12:09 AM

Browser WorkspaceReady

How it works

Generate all favicon sizes for your website from a single image

Resize images to exact dimensions or percentages

Compress images while maintaining quality

Convert images to Base64 strings for embedding