bcrypt Converter

About This Tool

This tool provides a developer-focused bcrypt parameter converter that assists with hashing, cost factor tuning, and verification guidance. It accepts inputs such as password, cost, and optional salt or existing hash to support hash generation, migration planning, and compatibility checks. It does not store passwords and does not perform cracking. The output helps engineers reason about hash outputs and performance implications.
Conceptually, bcrypt uses a salted cost parameter to transform a password into a hash via the EksBlowfish core. This tool applies standard bcrypt logic to produce a hash from the provided password and cost, and to verify a candidate password against a stored hash. It exposes outputs like the resulting hash, status, and a recommended cost for future migrations. It supports UTF-8 passwords and compatibility notes across popular libraries.
Who benefits include backend developers, security engineers, and QA teams auditing password storage. Unique value lies in explicit visibility into how cost and salt affect hash length and verification timing, plus practical guidance for migration. Core features are multi-field inputs, hash generation, verification, salt analysis, and cost suggestions. Typical use cases include adjusting hashing cost, validating existing hashes across platforms, and evaluating library compatibility.

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