● Security & Web

Hash Generator

Generate SHA-256, SHA-384, SHA-512, and SHA-1 hashes.

Processed locally. Your input stays in this browser.

Zero Data Sent

Drag & Drop a local file here to compute cryptographic checksums

100% In-Browser Execution (`crypto.subtle.digest`). Max 500 MB in-browser memory buffer limit. File data is never uploaded.

Select Local File

Or Input Text String

1 line•49 chars•49 B

Ctrl/Cmd+Enter run

What Hash Generator Does

Compute secure cryptographic message digests for text using native Web Crypto APIs.

How It Works

1.Type/paste text string OR drag-and-drop a local file for checksum hashing.
2.The Web Crypto API (`crypto.subtle.digest`) computes SHA-256, SHA-384, SHA-512, and SHA-1 hashes locally.
3.Copy Hex digests with one click. Files process 100% locally and are never uploaded.

Common Use Cases

•Verifying local file checksums against published release digests.
•Computing SHA-256 hashes for API authentication headers.
•Generating cache key identifiers for build artifacts.

Related Developer Guides

How to Decode & Inspect JWT Tokens Safely

Comprehensive guide to JSON Web Tokens (JWT). Learn how to decode JWT headers and payloads, check token expiration (exp), inspect claim scopes, and verify signatures.

Read Guide

Frequently Asked Questions

Which hash algorithms are supported?

SHA-256, SHA-384, SHA-512, and SHA-1 (with a security deprecation warning).

Popular Next Tools

JWT Decoder

Decode JSON Web Tokens to inspect Header, Payload claims, and expiration.

Base64 Encoder

Encode plain text or UTF-8 Unicode strings into Base64.