Safely Inspect an Unknown Spreadsheet

View a spreadsheet from an untrusted source without uploading it.

无需登录文件保持私密

将文件拖放到此处或点击浏览

XLSX, XLS, CSV, ODS 无文件大小限制

浏览文件

你的文件永远不会离开你的设备。所有处理都在你的浏览器中本地进行。

Open .xlsx, .xls, .csv, or .ods spreadsheets without Excel or Google Sheets. The file is parsed entirely in your browser.

security tips

🛡️

Opening an unexpected .xlsx in Excel can trigger macros; this viewer just reads the data, with no macro execution.

🔒

Because the file is parsed locally, you avoid uploading a potentially sensitive or malicious file to a third party.

👀

Preview the contents first, then decide whether to open it in a full spreadsheet app.

📄

Supports XLSX, XLS, CSV, and ODS.

选择文件

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

处理

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

下载

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓完全免费——永远没有隐藏费用

✓无需账号、邮箱或登录

✓文件永远不会离开你的设备

✓绝无文件大小限制

✓所有输出均无水印

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