Tool Workspace
Enter content, process with one click
MD5
SHA1
SHA256
SHA512
CRC32
哈希为单向不可逆运算，用于校验数据/生成摘要。如需带密钥的 HMAC 请使用 HMAC 计算器。
1Introduction
All-in-One Hash Calculator computes common hashes such as MD5, SHA-1, SHA-256 and SHA-512 for files or manually entered text. All computation runs locally in your browser, no uploads, no installation.
2How to Use
1
Add File or Text
Drag files onto the page or type the text to compute.
2
Choose Hash Algorithms
Tick MD5, SHA-1, SHA-256, SHA-512 as needed; multiple selections are allowed.
3
Calculate
Click the button and all selected hashes are computed locally.
3FAQ
Is file data uploaded to a server?
No. All computation happens locally in your browser; files never leave your device.
Can multiple files be computed at once?
Yes. Drag in several files at once and each file's hashes are listed separately.
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