Hash generator online
Compute MD5, SHA-1, SHA-256, SHA-384, SHA-512, and bcrypt hashes of text or files — entirely in your browser. Files don't leave your machine; we hash them locally and never see the content.
100% client-side • No upload • No logging
Generate hashes
Type text or drop a file — every digest updates live
16 chars • 16 bytes
| Algorithm | Length | Hash | Copy |
|---|---|---|---|
| MD5 | 128-bit | — | |
| SHA-1 | 160-bit | — | |
| SHA-256 | 256-bit | — | |
| SHA-384 | 384-bit | — | |
| SHA-512 | 512-bit | — |
MD5 and SHA-1 are not cryptographically secure — fine for file integrity checks with no adversary, but never for passwords or signatures.
For diagnostic and developer use only — run checks on data you are authorised to access.
bcrypt
Generate and verify password hashes with an adjustable cost factor
bcryptjs package. Install it (npm i bcryptjs) to enable generation and verification here.Higher = slower & stronger. 12 is a sensible default in 2025.
Why use this hash generator?
Built for developers who care about correctness and privacy
100% Client-Side
Text and files are hashed entirely in your browser with the Web Crypto API. Nothing is uploaded or logged.
Six Algorithms
MD5, SHA-1, SHA-256, SHA-384, SHA-512, plus bcrypt — every common digest in one place.
File Integrity
Drop a file to compute its checksum and compare against a published hash. Streams large files in 1MB chunks.
Live Output
Hashes recompute as you type and update instantly when you switch encoding or output format.
Verify Mode
Paste an expected hash and get an instant match/mismatch badge for the algorithm you choose.
bcrypt Support
Generate salted bcrypt hashes with an adjustable cost factor, or verify a plaintext against an existing hash.
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