Security Tools
Generate passwords and passphrases, check strength, encrypt text, and scrub data, all privately in your browser.
Create strong random passwords with presets, strength meter, and entropy readout.
Paste text to auto-redact emails, API keys, JWTs, webhooks, and other sensitive data.
Generate strong, memorable passphrases from random words with live entropy.
Test password strength with entropy, crack-time estimates, and improvement tips.
Encrypt and decrypt text with a password using AES-256, locally in your browser.
Handiwork’s security tools help you protect accounts and data without trusting a third-party server. Create long, random passwords and memorable passphrases, estimate password strength, encrypt text with a password, or redact supported identifiers and secrets from text before you share it.
Privacy is the whole point, so these tools run entirely in your browser: nothing you generate, type, or paste is uploaded. Select a tool below to get started.