Check File Integrity

Detect whether a file has changed or been corrupted.

无需登录文件保持私密

将文件拖放到此处或点击浏览

Any file 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。

Compute SHA-256, SHA-1, SHA-384, and SHA-512 checksums of any file — and verify a download against its published hash. The file is read locally and never uploaded.

integrity tips

🛡️

Save a file's hash now; re-hash later and compare to detect any change, even a single flipped byte.

💾

Useful for verifying backups and archives copied between drives or systems.

🔑

Four algorithms are computed so you can match whatever a source provides.

🔒

Runs entirely in your browser.

工作原理

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.

为什么选择我们的？

✓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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✅

Verify a Download's Checksum

Confirm a downloaded file matches the checksum the

🔢

Get the SHA-256 of a File

Compute a file's SHA-256 hash to publish or compar

🔁

Confirm Two Files Are Identical

Hash two files and compare to see if they're byte-

📤

Publish a Checksum with Your File

Generate a checksum to list alongside a file you d

常见问题

Back to File Hash / Checksum