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Free Online Hash Calculator

Generate MD5, SHA-1, SHA-256, and other cryptographic hashes for strings and files. Fast, secure, and 100% browser-based ensures your data never leaves your device.

Select Hash Algorithm

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Features

Multiple Algorithms

Supports all major hashing algorithms including MD5, SHA-1, SHA-256, SHA-512, SHA-3, and RIPEMD-160.

File Hashing

Verify file integrity by calculating hashes for local files of any size without uploading them.

100% Private

All calculations are performed locally in your browser. Your sensitive data or files never touch our servers.

About Digital Hashes

A hash function is a mathematical algorithm that maps data of arbitrary size to a bit string of a fixed size (a hash). It is a one-way function, meaning it is practically impossible to invert. Hashes are commonly used for data integrity checks, digital signatures, and password storage.