How to use the Hash Generator tool
- Type text or drop a file.
- Hashes for MD5, SHA-1, SHA-256, SHA-384 and SHA-512 are calculated instantly.
- Use the copy button next to any hash, and tick Uppercase if you need capital letters.
What is a hash?
A hash is a fixed-length fingerprint of data. Even a one-letter change produces a completely different hash, which makes hashes ideal for verifying downloads and detecting changes. MD5 and SHA-1 are fine for checksums but should not be used for security; prefer SHA-256 or higher.
Frequently asked questions
Can a hash be reversed?
No. Hashes are one-way functions.
Is my file uploaded?
No, files are hashed locally.
Is the Hash Generator tool really free?
Yes — completely free, forever. There is no sign-up, no payment, no watermark and no daily limit.