datekit/unix-timestamp-converter.html at main · autonomy414941/datekit · GitHub

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1" />
  <title>Unix Timestamp Converter - DateKit</title>
  <meta name="description" content="Convert Unix timestamps to human-readable dates and convert date-time inputs back to Unix seconds or milliseconds." />
  <meta name="robots" content="index,follow" />
  <link rel="canonical" href="https://devtoolbox.dedyn.io/datekit/unix-timestamp-converter.html" />
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  <meta property="og:site_name" content="DateKit" />
  <meta property="og:locale" content="en_US" />
  <meta property="og:title" content="Unix Timestamp Converter - DateKit" />
  <meta property="og:description" content="Convert Unix seconds or milliseconds to UTC/local date and back." />
  <meta property="og:url" content="https://devtoolbox.dedyn.io/datekit/unix-timestamp-converter.html" />
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  <meta name="twitter:title" content="Unix Timestamp Converter - DateKit" />
  <meta name="twitter:description" content="Convert Unix seconds or milliseconds to UTC/local date and back." />
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  <link rel="stylesheet" href="./styles.css" />
</head>
<body>
  <div class="bg-orb bg-orb-a"></div>
  <div class="bg-orb bg-orb-b"></div>
  <main class="page">
    <header class="hero">
      <p class="kicker">DateKit</p>
      <h1>Unix Timestamp Converter</h1>
      <p class="subtitle">Convert date-time values to Unix and decode Unix seconds or milliseconds into local, UTC, and ISO output.</p>
      <nav class="tool-links" aria-label="DateKit calculators">
        <a class="pill-link" href="./">All Date Tools</a>
        <a class="pill-link" href="./days-between-dates.html">Days Between Dates</a>
        <a class="pill-link" href="./add-subtract-days.html">Add Or Subtract Days</a>
      </nav>
    </header>

    <section class="grid single-grid">
      <article class="card" aria-labelledby="unix-title">
        <h2 id="unix-title">Unix Timestamp Converter</h2>
        <label>
          Date &amp; time
          <input id="unix-date" type="datetime-local" />
        </label>
        <button id="unix-from-date" type="button">To Unix</button>

        <label>
          Unix (seconds or milliseconds)
          <input id="unix-input" type="text" inputmode="numeric" placeholder="1700000000" />
        </label>
        <button id="unix-to-date" type="button">To Date</button>
        <div id="unix-result" class="result" aria-live="polite"></div>
      </article>
    </section>

    <section class="context" aria-labelledby="unix-notes-title">
      <h2 id="unix-notes-title">Timestamp Notes</h2>
      <p>The converter auto-detects unit by magnitude: typical 10-digit values are treated as seconds, larger values as milliseconds.</p>
      <p>Returned values include local time, UTC text, and ISO-8601 so you can copy directly into logs, APIs, and incident timelines.</p>
      <p>If results look shifted, verify your source timestamp timezone assumptions before comparing system events.</p>
      <p>Need to compute elapsed time between incidents? Use <a href="./days-between-dates.html">Days Between Dates</a> after converting raw timestamps.</p>
    </section>

    <section class="faq" aria-labelledby="unix-faq-title">
      <h2 id="unix-faq-title">FAQ</h2>
      <details>
        <summary>How does unit detection work?</summary>
        <p>DateKit treats typical 10-digit values as Unix seconds and larger values as Unix milliseconds.</p>
      </details>
      <details>
        <summary>Does this use my timezone?</summary>
        <p>Yes. Output includes local browser time plus UTC/ISO values so you can compare across systems.</p>
      </details>
      <details>
        <summary>Can I paste timestamps from logs directly?</summary>
        <p>Yes. Paste numeric timestamps from logs, alerts, or API payloads to decode them instantly.</p>
      </details>
    </section>

    <footer class="footer">
      <a href="/" aria-label="Back to DevToolbox home">Back to DevToolbox</a>
      <button id="copy-link" type="button">Copy URL</button>
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    </footer>
  </main>

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</body>
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