Free Online Developer Tool

Hash Generator

Generate cryptographic hashes instantly from text or files. Choose SHA-1, SHA-256, SHA-384 or SHA-512 and create hexadecimal or Base64 output directly in your browser.

Instant hashing Multiple SHA algorithms Text & file support Browser based

Generate a Hash

Create a cryptographic digest from text or file data

Text Input

Paste or type text to hash

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Generated Hash

Cryptographic digest output

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Ready to Generate

Enter text or choose a file, then click Generate Hash.

Input Size

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Digest Length

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Browser-Based Hash Generation

This implementation generates supported SHA digests directly in your browser with the Web Crypto API. Text and file hashing do not require your input data to be sent to a server.

Hash Generator Features

Generate Hashes in Seconds

Create cryptographic message digests with browser-based processing.

Instant Hashing

Generate a digest from text or file bytes with one click.

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Multiple Algorithms

Choose SHA-1, SHA-256, SHA-384 or SHA-512.

Hex & Base64

Display digest bytes as hexadecimal or Base64 text.

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Copy & Download

Copy generated hashes or save results as a text file.

Three Simple Steps

How to Generate a Hash Online

1

Enter Text or Choose File

Paste text into the editor or choose a file from your device.

2

Generate Hash

Click Generate Hash to validate the input and remove unnecessary formatting.

3

Copy or Download

Review the generated digest, then copy or download the result.

Cryptographic Hash Guide

What Is a Hash Generator?

A Hash Generator transforms input data into a fixed-length message digest using a cryptographic hash function. The same bytes produce the same digest for a given algorithm, while even a small input change typically produces a very different result.

This tool supports SHA-1, SHA-256, SHA-384 and SHA-512 through the browser Web Crypto API. You can hash UTF-8 text or the raw bytes of a selected file and display the digest as hexadecimal or Base64.

SHA-256 Hash Example

Input:

hello

SHA-256 hexadecimal digest:

2cf24dba5fb0a30e26e83b2ac5b9e29e
1b161e5c1fa7425e73043362938b9824

Why Generate Cryptographic Hashes?

Hashes are commonly used to compare data, verify file integrity, create content fingerprints and identify accidental changes. A digest is not encryption and cannot be decoded back into the original input.

For password storage, use a dedicated password-hashing function with salts and appropriate cost settings rather than a fast general-purpose SHA digest.

How Does Hash Generation Work?

The selected hash algorithm processes input bytes and returns a fixed-size digest. Text is first encoded as UTF-8 bytes. Files are read as binary data so the digest represents the actual file bytes.

Hexadecimal and Base64 are only output encodings for the same digest bytes; changing the display encoding does not change the underlying hash.

SHA-256 vs SHA-512

SHA-256 produces a 256-bit digest, commonly displayed as 64 hexadecimal characters. SHA-512 produces a 512-bit digest, commonly displayed as 128 hexadecimal characters.

SHA-1 remains available for compatibility checks but is not recommended for collision-resistant security applications. Choose algorithms according to the requirements of the system you are integrating with.

Common Uses for Hash Generators

File Integrity

Compare a downloaded file digest with a trusted published checksum.

Data Fingerprints

Create compact identifiers for content comparison workflows.

Developer Testing

Verify hashing output when integrating APIs and applications.

Change Detection

Detect whether content bytes differ between two versions.

FAQ

Hash Generator FAQs

A Hash Generator applies a hash function to input bytes and returns a fixed-length message digest.
It supports SHA-1, SHA-256, SHA-384 and SHA-512 through the browser Web Crypto API.
Yes. Select or drop a file to hash its raw bytes directly in the browser.
No. A cryptographic hash is a one-way digest and is not reversible encryption.
Yes. The Hash Generator is free to use online.

Generate a Hash Now

Enter text or choose a file and generate a cryptographic digest in seconds.

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