diff --git a/src/utils/helpers.js b/src/utils/helpers.js
new file mode 100644
index 0000000..4f88440
--- /dev/null
+++ b/src/utils/helpers.js
@@ -0,0 +1,170 @@
+/**
+ * 工具函数
+ */
+
+/**
+ * 格式化文件大小
+ * @param {number} bytes 字节数
+ * @returns {string} 格式化的文件大小
+ */
+export const formatFileSize = (bytes) => {
+  // 类型检查和安全转换
+  if (bytes === null || bytes === undefined) return '0 Bytes';
+  
+  const numBytes = Number(bytes);
+  if (isNaN(numBytes) || numBytes < 0) return '0 Bytes';
+  if (numBytes === 0) return '0 Bytes';
+  
+  const k = 1024;
+  const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB'];
+  const i = Math.floor(Math.log(numBytes) / Math.log(k));
+  
+  return parseFloat((numBytes / Math.pow(k, i)).toFixed(2)) + ' ' + sizes[i];
+};
+
+/**
+ * 格式化时间
+ * @param {string} dateString 日期字符串
+ * @returns {string} 格式化的时间
+ */
+export const formatDateTime = (dateString) => {
+  if (!dateString) return '-';
+  
+  const date = new Date(dateString);
+  return date.toLocaleString('zh-CN', {
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+    hour: '2-digit',
+    minute: '2-digit',
+    second: '2-digit',
+  });
+};
+
+/**
+ * 格式化转换时间
+ * @param {number} seconds 秒数
+ * @returns {string} 格式化的转换时间
+ */
+export const formatConversionTime = (seconds) => {
+  // 类型检查和安全转换
+  if (seconds === null || seconds === undefined) return '-';
+  
+  // 尝试转换为数字
+  const numSeconds = Number(seconds);
+  
+  // 如果不是有效数字，返回默认值
+  if (isNaN(numSeconds) || numSeconds < 0) return '-';
+  
+  if (numSeconds < 1) {
+    return `${Math.round(numSeconds * 1000)}ms`;
+  } else if (numSeconds < 60) {
+    return `${numSeconds.toFixed(2)}s`;
+  } else {
+    const minutes = Math.floor(numSeconds / 60);
+    const remainingSeconds = (numSeconds % 60).toFixed(2);
+    return `${minutes}m ${remainingSeconds}s`;
+  }
+};
+
+/**
+ * 获取转换状态的颜色
+ * @param {string} status 状态
+ * @returns {string} 颜色
+ */
+export const getStatusColor = (status) => {
+  const colors = {
+    processing: '#1890ff',
+    success: '#52c41a',
+    failed: '#ff4d4f',
+  };
+  return colors[status] || '#d9d9d9';
+};
+
+/**
+ * 获取转换状态的文本
+ * @param {string} status 状态
+ * @returns {string} 状态文本
+ */
+export const getStatusText = (status) => {
+  const texts = {
+    processing: '转换中',
+    success: '转换成功',
+    failed: '转换失败',
+  };
+  return texts[status] || '未知状态';
+};
+
+/**
+ * 验证文件类型
+ * @param {File} file 文件对象
+ * @returns {boolean} 是否为有效的SQL文件
+ */
+export const validateSQLFile = (file) => {
+  if (!file) return false;
+  
+  const allowedExtensions = ['.sql'];
+  const fileName = file.name.toLowerCase();
+  
+  return allowedExtensions.some(ext => fileName.endsWith(ext));
+};
+
+/**
+ * 下载文件
+ * @param {Blob} blob 文件blob
+ * @param {string} filename 文件名
+ */
+export const downloadFile = (blob, filename) => {
+  const url = window.URL.createObjectURL(blob);
+  const link = document.createElement('a');
+  link.href = url;
+  link.download = filename;
+  document.body.appendChild(link);
+  link.click();
+  document.body.removeChild(link);
+  window.URL.revokeObjectURL(url);
+};
+
+/**
+ * 复制文本到剪贴板
+ * @param {string} text 要复制的文本
+ * @returns {Promise<boolean>} 是否复制成功
+ */
+export const copyToClipboard = async (text) => {
+  try {
+    await navigator.clipboard.writeText(text);
+    return true;
+  } catch (err) {
+    // 回退方案
+    try {
+      const textArea = document.createElement('textarea');
+      textArea.value = text;
+      document.body.appendChild(textArea);
+      textArea.select();
+      document.execCommand('copy');
+      document.body.removeChild(textArea);
+      return true;
+    } catch (fallbackErr) {
+      console.error('复制失败:', fallbackErr);
+      return false;
+    }
+  }
+};
+
+/**
+ * 防抖函数
+ * @param {Function} func 要防抖的函数
+ * @param {number} wait 等待时间
+ * @returns {Function} 防抖后的函数
+ */
+export const debounce = (func, wait) => {
+  let timeout;
+  return function executedFunction(...args) {
+    const later = () => {
+      clearTimeout(timeout);
+      func(...args);
+    };
+    clearTimeout(timeout);
+    timeout = setTimeout(later, wait);
+  };
+};
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