Security and Privacy Tools
Local security utilities for passwords, secure random numbers, authenticated text encryption and file integrity checks. No uploads, accounts or saved input history.
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Free. No sign-up required.Security Workspace
All six local security tools in one workspace, with isolated inputs and no automatic secret transfers.
Open workspacePassword Generator
Generate hidden-by-default passwords with secure browser randomness, configurable character groups and no saved history.
Open toolPassword Strength Checker
Estimate password guessability locally with the self-hosted zxcvbn pattern model. No passwords or breach queries leave your browser.
Open toolRandom Number Generator
Draw secure random integers over exact inclusive bounds, with optional unique values and sorting—even beyond JavaScript’s safe-integer range.
Open toolEncrypt / Decrypt Text
Encrypt text into an authenticated AES-256-GCM package or decrypt a compatible package using a passphrase, entirely in your browser.
Open toolFile Hash Checker
Calculate SHA-256, SHA-384 or SHA-512 from exact file bytes, then compare an expected digest with visible file-selection status.
Open toolFile Encrypt / Decrypt
Encrypt and authenticate local files with AES256-GCM, including private filename metadata.
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