Fydler UtilityBelt - Epoch Converter

Epoch Converter

Time & Networking Tool

Current Unix Timestamp

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Timestamp to Date

Unix Timestamp

Human Readable (Local)

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Human Readable (UTC)

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Date to Timestamp

Date and Time

Unix Timestamp (Seconds)

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Unix Timestamp (Milliseconds)

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What is Unix Epoch Time?

The Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds. This tool helps you quickly convert between this numeric format and human-friendly dates.

lucide.createIcons(); const currentEpochDisplay = document.getElementById('current-epoch'); const inputEpoch = document.getElementById('input-epoch'); const outLocal = document.getElementById('output-date-local'); const outUtc = document.getElementById('output-date-utc'); const inputDate = document.getElementById('input-date'); const outEpochSec = document.getElementById('output-epoch-sec'); const outEpochMs = document.getElementById('output-epoch-ms'); // Update current time every second setInterval(() => { currentEpochDisplay.textContent = Math.floor(Date.now() / 1000); }, 1000); // Epoch to Date inputEpoch.addEventListener('input', () => { const val = parseFloat(inputEpoch.value); if (isNaN(val)) { outLocal.textContent = '---'; outUtc.textContent = '---'; return; } // Handle both seconds and milliseconds const date = new Date(val > 9999999999 ? val : val * 1000); if (isNaN(date.getTime())) { outLocal.textContent = 'Invalid Date'; outUtc.textContent = 'Invalid Date'; return; } outLocal.textContent = date.toString(); outUtc.textContent = date.toUTCString(); }); // Date to Epoch inputDate.addEventListener('input', () => { const val = inputDate.value; if (!val) { outEpochSec.textContent = '---'; outEpochMs.textContent = '---'; return; } const date = new Date(val); const ms = date.getTime(); outEpochSec.textContent = Math.floor(ms / 1000); outEpochMs.textContent = ms; }); // Initialize input values inputEpoch.value = Math.floor(Date.now() / 1000); inputEpoch.dispatchEvent(new Event('input')); const now = new Date(); now.setMinutes(now.getMinutes() - now.getTimezoneOffset()); inputDate.value = now.toISOString().slice(0, 16); inputDate.dispatchEvent(new Event('input'));