Timestamp Converter

Convert a Unix timestamp to a readable date and back, in your timezone or UTC.

Unix timestamp → date

Date → Unix timestamp

Current time

All conversion runs in your browser.

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Timestamp Converter — frequently asked questions

Does it accept seconds or milliseconds?+

Both — it detects which based on the magnitude of the number.

What timezone is 'local'?+

Your device's timezone. UTC and ISO are also shown.

你們會把我的檔案上傳到伺服器嗎？+

不會——這裡的每個工具都完全在你的裝置上處理檔案，不會向伺服器上傳任何內容。唯一的例外是 AI 工具，它們會把擷取的文字（而非檔案本身）傳送給 Claude 來完成工作。

有檔案大小限制嗎？+

我們沒有人為設下限制，但由於處理過程在你的瀏覽器中進行，非常大的檔案（超過 500MB 或 1000 頁）會受你裝置記憶體的限制，而非我們的限制。