Spreadsheet Conversion
Convert XLSX to XLSX Online — Free
Fast, free XLSX to XLSX converter. No registration required.
またはインポート元
200万以上のファイル変換
数千人のユーザーに信頼されています
安全な転送
HTTPS暗号化アップロード
プライバシー優先
処理後にファイルを自動削除
登録不要
すぐに変換を開始
どこでも動作
あらゆるブラウザ、あらゆるデバイス
変換方法
1
Upload your .xlsx file by dragging it into the upload area or clicking to browse.
2
Choose your output settings. The default settings work great for most files.
3
Click Convert and download your .xlsx file when it's ready.
XLSXとは？
XLSX is the modern Microsoft Excel format. It's the standard for spreadsheets containing data, formulas, charts, and pivot tables.
形式の詳細
- 正式名称
- Microsoft Excel Spreadsheet
- 拡張子
- .xlsx
主な特徴
- Spreadsheet
- Formulas
- Charts
- Data analysis
XLSXとは？
XLSX is the modern Microsoft Excel format. It's the standard for spreadsheets containing data, formulas, charts, and pivot tables.
形式の詳細
- 正式名称
- Microsoft Excel Spreadsheet
- 拡張子
- .xlsx
主な特徴
- Spreadsheet
- Formulas
- Charts
- Data analysis
XLSXとXLSXの比較
| 特徴 | XLSX | XLSX |
|---|---|---|
| 正式名称 | Microsoft Excel Spreadsheet | Microsoft Excel Spreadsheet |
| 拡張子 | .xlsx | .xlsx |
| 最適な用途 | Spreadsheet | Spreadsheet |
よくある質問
Yes. You can convert up to 5 files per day completely free, with no watermark or registration required. Pro users get unlimited conversions and larger file sizes.
Most files convert in under 30 seconds. Larger files may take 1-3 minutes. Processing runs on our servers, so your device stays fast.
Our converter uses optimized settings to preserve quality. Default settings prioritize quality over file size. You can adjust settings for more control.
Free users can convert files up to 100MB. Pro users can convert files up to 2GB with priority processing.
Yes. Our converter is browser-based and works on any device — iPhone, Android, tablet, or desktop. No app or software installation needed.