Simple & private
SHA-256 Hash Generator
Create a SHA-256 fingerprint of text.
What is this tool?
A hash is a compact fingerprint of a piece of text. This tool creates a SHA-256 hash, which changes completely whenever the source text changes even slightly.
How to use this tool
- Paste the text you want to hash into the input box.
- Click "Run tool".
- Copy the resulting hash.
Example
Hashing the word "hello" always produces the same fixed-length SHA-256 fingerprint, useful for checking that two copies of a file match.
Common use cases
- Checking that a downloaded file matches the original
- Comparing two versions of a document for changes
- Learning how hashing works for a course or project
- Creating a fingerprint for basic integrity checks
Frequently asked questions
Can a SHA-256 hash be reversed to reveal the original text? +
No, hashing is one-way and does not reveal the original content.
Is this suitable for storing passwords? +
No, production password storage needs salting and specialised password hashing, not a plain hash.
Why does a tiny text change produce a completely different hash? +
That is by design — even a single character change produces an entirely different fingerprint.