Hash prefix detect
ClientPrefix-only hint—does not verify hashes.
Detect $2a$ bcrypt, sha256$, etc. from prefix.
About Hash prefix detect
Detect $2a$ bcrypt, sha256$, etc. from prefix. The interactive transform on this page runs in your browser tab—Toolcore does not need your paste for the core operation described above.
How to use this page
Paste or type in the main workspace, run the primary action from the toolbar, then copy or download the result. Use Load example when the page offers it, or URL prefill (?q= / ?qb=) so agents and tickets open the same input.
Limits and safety
Utilities here are for development and inspection—do not paste live production keys, PANs, or recovery codes into any browser tab you do not control.
Prefix: bcrypt ($2a$…) · demo detect only
Common use cases
- Hash prefix detect for quick local checks without uploading data.
- Copy results into tickets, docs, or classroom notes.
Common mistakes to avoid
Unexpected input shape
See the intro and how-to notes for accepted formats.
FAQ
Is processing local?
Yes—this runs entirely in your browser.
Agent prefill?
Use q or qb for the main text field when supported.
More tools
Related utilities you can open in another tab—mostly client-side.
Hash identifier
ClientGuess digest type from hex length, Base64 shape, or bcrypt/Argon2 prefixes—heuristic, local only.
PBKDF2 key derivation
ClientDerive keys with PBKDF2 (SHA-256/512) in the browser—hex and Base64 output for crypto workflows.
Password strength
ClientHeuristic password strength meter—length, charset mix, common weak-password warnings; local only.
JWT sign & verify
ClientSign HS256/384/512 JWTs or verify HMAC signatures in the browser—pair with JWT decode for claims.