Hash & UUID Generator
Generate MD5, SHA-1, SHA-256, CRC32 hashes and UUID v4 / v7 identifiers.
Why Use DiffMergy’s Hash & UUID Generator?
DiffMergy’s Hash & UUID Generator lets you create secure hashes (MD5, SHA-1, SHA-256, SHA-512, HMAC) and UUIDs (v4) instantly. Whether you need checksums for file verification, API keys, database primary keys, or content fingerprints, this tool delivers cryptographically sound output.
All hashing is performed locally using the Web Crypto API, ensuring your input data never leaves your device. No server logs, no data retention, no privacy concerns.
100% Private — No Server Upload
All processing happens entirely in your browser using modern browser APIs. Your sensitive source code, credentials, and files never leave your device — no servers, no databases, no tracking, no sign-up required.
Fast & Reliable
Built with vanilla TypeScript and a lightweight custom engine, DiffMergy delivers sub-millisecond processing with zero network latency. The entire toolkit works on any modern browser across all operating systems, with no installation or setup needed.
Frequently Asked Questions
Which hashes can I generate?
MD5, SHA-1, SHA-256, SHA-512, and HMAC, plus UUID v4 identifiers. Cryptographic hashing uses the browser Web Crypto API.
Is hashing done locally?
Yes. All hashing runs in your browser and your input data never leaves the device.