SHA-256 Hash Generator

Generate SHA-256 cryptographic hash for text and files

输入
哈希结果

哈希结果将显示在这里

功能特性

安全可靠

SHA-256 是 SHA-2 系列中最常用的算法,广泛应用于各种安全场景

快速计算

支持大文件分块处理,提供实时进度反馈,计算效率高

多种格式

支持文本和文件输入,输出格式包括 Hex 和 Base64

使用说明
1

选择输入模式(文本或文件)

2

输入或上传要计算哈希的内容

3

选择输出格式(Hex 或 Base64)

4

点击"生成哈希"按钮

5

复制生成的哈希值

应用场景

文件完整性

验证下载文件的完整性和真实性

密码存储

安全地存储用户密码(配合盐值)

数字签名

用于区块链和数字签名应用

Features

Proven Security

SHA-256 is widely trusted and used in many security applications

Text & File Support

Calculate hash for text input and file uploads with progress

Multiple Output Formats

Support Hex and Base64 outputs with uppercase option

How to Use
1

Choose input mode (Text or File)

2

Enter text or upload a file

3

Select output format (Hex/Base64) and case option

4

Click Generate to compute SHA-256

5

Copy the generated hash

Application Scenarios

Password Hashing

Use with random salt; prefer dedicated KDFs (bcrypt/Argon2)

Digital Signatures

Commonly used in PKI and blockchain systems

File Integrity Verification

Verify file integrity and authenticity

Security Tips

All calculations happen locally in your browser

SHA-256 is a one-way function; original input cannot be recovered

For passwords, prefer bcrypt/Argon2 over raw SHA-256