API test fixtures
Generate expected SHA digests while writing tests for webhook signatures or payload verification.
Developer tools
Hash Generator
Create SHA hashes from text using the browser Web Crypto API.
How to use
- 1
Paste text to hash.
- 2
Generate hashes.
- 3
Copy the hash you need.
Quick answer
Hash Generator creates SHA-1, SHA-256, SHA-384, and SHA-512 digests from pasted text using the browser Web Crypto API. It is best for checksums, test fixtures, and verifying that two text inputs produce the same hash.
Key features
- Generates SHA-1, SHA-256, SHA-384, and SHA-512 hashes from text input.
- Uses the browser Web Crypto API for standard one-way digest creation.
- Runs locally without uploading pasted text to a server.
- Shows multiple hash formats so you can copy the one your system expects.
- Useful for API tests, cache keys, integrity checks, and documentation examples.
- Does not provide MD5 because the Web Crypto API does not expose it.
About this tool
Hashing turns input text into a fixed-length digest that changes completely when the input changes even slightly. Developers use hashes for checksums, test fixtures, cache keys, integrity verification, and comparing whether two values match without storing the original text. Hash Generator uses the browser's Web Crypto API to compute standard SHA digests locally from pasted text. That makes it convenient for quick debugging, but hashing is not encryption. You cannot recover the original text from the hash, yet common inputs can still be guessed through lookup tables. Do not treat a hash alone as secret protection for passwords or private data. Also note that MD5 is not available here because modern browsers focus on SHA algorithms through Web Crypto.
Common scenarios
Cache key checks
Hash normalized config snippets to compare cache keys across environments.
Integrity comparisons
Confirm two text inputs produce the same digest before storing or transmitting them.
Documentation examples
Create sample hash outputs for README files, tickets, and developer handoffs.
FAQ
Is hashing encryption?
No. A hash is a one-way digest and should not be confused with encryption.
Does this generate MD5?
No. The browser Web Crypto API does not provide MD5, so the live version focuses on SHA hashes.
Can I hash files?
This tool focuses on pasted text input rather than full file hashing workflows.
Is my text uploaded?
No. Hash generation runs locally in your browser.
Which SHA algorithm should I use?
SHA-256 is the most common general choice today. Use the algorithm required by your system or specification.
Can hashes be reversed?
No. Hashes are one-way, although common inputs may be guessed using precomputed tables.