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图片转base64在线生成器

admin的头像admin2个月前A I139热度

本地处理,无需上传服务器 | 支持JPG、PNG、GIF、WebP等格式 | 一键复制

Screenshot_2025_1104_214515.jpg


<!DOCTYPE html>
<html lang="zh-CN">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>在线图片转Base64生成器</title>
  <style>
    :root {
      --primary: #3b82f6;
      --primary-light: #60a5fa;
      --bg: #f8fafc;
      --panel: #ffffff;
      --border: #e2e8f0;
      --text: #1e293b;
      --text-light: #64748b;
      --shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
      --danger: #ef4444;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      font-family: 'Inter', system-ui, -apple-system, sans-serif;
    }

    body {
      background-color: var(--bg);
      color: var(--text);
      padding: 20px;
      line-height: 1.6;
    }

    header {
      text-align: center;
      margin-bottom: 30px;
      padding: 15px 0;
    }

    h1 {
      color: var(--primary);
      margin-bottom: 8px;
      font-weight: 700;
      font-size: 2rem;
    }

    .subtitle {
      color: var(--text-light);
      font-size: 1.1rem;
      max-width: 600px;
      margin: 0 auto;
    }

    .container {
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .upload-panel, .result-panel {
      flex: 1;
      min-width: 300px;
      background: var(--panel);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow);
    }

    .panel-title {
      font-size: 1.3rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .upload-area {
      border: 2px dashed var(--border);
      border-radius: 12px;
      padding: 40px 20px;
      text-align: center;
      cursor: pointer;
      transition: all 0.3s;
      margin-bottom: 25px;
    }

    .upload-area:hover {
      border-color: var(--primary-light);
      background-color: rgba(59, 130, 246, 0.03);
    }

    .upload-area.active {
      border-color: var(--primary);
      background-color: rgba(59, 130, 246, 0.05);
    }

    .upload-icon {
      font-size: 3rem;
      color: var(--primary-light);
      margin-bottom: 15px;
    }

    .upload-text {
      font-size: 1.1rem;
      margin-bottom: 10px;
    }

    .upload-hint {
      font-size: 0.9rem;
      color: var(--text-light);
      line-height: 1.5;
    }

    #file-input {
      display: none;
    }

    .preview-container {
      margin-top: 25px;
      display: none;
    }

    .preview-title {
      font-weight: 600;
      margin-bottom: 10px;
      color: var(--text);
    }

    .preview-box {
      width: 100%;
      height: 200px;
      border: 1px solid var(--border);
      border-radius: 8px;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #f1f5f9;
    }

    .preview-img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
    }

    .file-info {
      margin-top: 15px;
      padding: 12px;
      background-color: #f1f5f9;
      border-radius: 8px;
      font-size: 0.9rem;
    }

    .info-item {
      display: flex;
      justify-content: space-between;
      margin-bottom: 5px;
    }

    .info-label {
      color: var(--text-light);
    }

    .settings-group {
      margin-bottom: 25px;
    }

    .settings-label {
      display: block;
      margin-bottom: 10px;
      font-weight: 600;
      color: var(--text);
    }

    select {
      width: 100%;
      padding: 12px 15px;
      border: 2px solid var(--border);
      border-radius: 8px;
      font-size: 1rem;
      transition: all 0.2s;
      background-color: white;
    }

    select:focus {
      outline: none;
      border-color: var(--primary-light);
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    }

    .btn {
      width: 100%;
      padding: 14px;
      border: none;
      border-radius: 8px;
      font-size: 1.1rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .convert-btn {
      background-color: var(--primary);
      color: white;
      margin-bottom: 15px;
    }

    .convert-btn:hover {
      background-color: #2563eb;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    }

    .convert-btn:active {
      transform: translateY(0);
    }

    .reset-btn {
      background-color: #f8fafc;
      color: var(--text);
      border: 2px solid var(--border);
    }

    .reset-btn:hover {
      background-color: #f1f5f9;
      border-color: #cbd5e1;
    }

    .result-content {
      margin-top: 20px;
    }

    .base64-output {
      width: 100%;
      min-height: 300px;
      padding: 15px;
      border: 2px solid var(--border);
      border-radius: 8px;
      font-family: monospace;
      font-size: 0.9rem;
      resize: vertical;
      background-color: white;
      white-space: pre-wrap;
      word-break: break-all;
      overflow-y: auto;
    }

    .output-actions {
      display: flex;
      gap: 15px;
      margin-top: 15px;
    }

    .action-btn {
      flex: 1;
      padding: 10px;
      border: none;
      border-radius: 8px;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s;
      font-size: 0.95rem;
    }

    .copy-btn {
      background-color: var(--primary);
      color: white;
    }

    .copy-btn:hover {
      background-color: #2563eb;
    }

    .download-btn {
      background-color: #f1f5f9;
      color: var(--text);
    }

    .download-btn:hover {
      background-color: #e2e8f0;
    }

    .notification {
      position: fixed;
      top: 20px;
      right: 20px;
      background-color: #10b981;
      color: white;
      padding: 12px 20px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
      transform: translateX(120%);
      transition: transform 0.3s ease;
      z-index: 1000;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .notification.show {
      transform: translateX(0);
    }

    .error-notification {
      background-color: var(--danger);
    }

    .loading {
      display: none;
      text-align: center;
      padding: 20px;
    }

    .loading-spinner {
      width: 40px;
      height: 40px;
      border: 4px solid rgba(59, 130, 246, 0.1);
      border-left-color: var(--primary);
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin: 0 auto 15px;
    }

    @keyframes spin {
      to { transform: rotate(360deg); }
    }

    @media (max-width: 768px) {
      .container {
        flex-direction: column;
      }

      h1 {
        font-size: 1.8rem;
      }

      .upload-panel, .result-panel {
        padding: 25px;
      }

      .preview-box {
        height: 150px;
      }

      .base64-output {
        min-height: 250px;
      }
    }
  </style>
</head>
<body>
  <header>
    <h1>在线图片转Base64生成器</h1>
    <p class="subtitle">本地处理,无需上传服务器 | 支持JPG、PNG、GIF、WebP等格式 | 一键复制</p>
  </header>

  <div class="container">
    <div class="upload-panel">
      <h2 class="panel-title">
        <svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
          <path d="M21 15v4a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2v-4"></path>
          <polyline points="17 8 12 3 7 8"></polyline>
          <line x1="12" y1="3" x2="12" y2="15"></line>
        </svg>
        上传图片
      </h2>

      <!-- 上传区域 -->
      <div class="upload-area" id="upload-area">
        <div class="upload-icon">
签名: 最忠诚的BUG开发者来自: 重庆市. Chrome浏览器
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