Free Online Security Tools
Privacy-first security utilities built on the Web Crypto API. Generate strong passwords, create hashes, analyse password strength and more — everything runs in your browser. Nothing is ever sent to a server.
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MyQuickTool's security tools are built with one principle: your data stays on your device. Every tool in this category uses the browser's native Web Crypto API — a cryptographically secure, hardware-backed random number generator built into every modern browser. Nothing is ever uploaded to a server, nothing is logged, and no account is required.
Whether you need to generate a strong password, check how secure an existing one is, create a cryptographic hash, or decode a JWT token — our tools give you the results instantly without any privacy risk.
Why Use Browser-Based Security Tools?
- Web Crypto API uses a cryptographically secure RNG — far stronger than Math.random()
- All processing happens locally in your browser — no server ever sees your data
- No account, no login, no tracking — open the tool and use it immediately
- Works offline after first load — safe to use on air-gapped or sensitive machines
- Results vanish when you close the tab — no clipboard history, no localStorage
- Free forever — no usage limits, no paywalls, no premium tier
Tools in This Category
- Password Generator — Create strong random passwords with custom length, character sets, passphrase mode and bulk export
- Hash Generator — Generate SHA-256, SHA-512 and MD5 hashes from any text or file, instantly in-browser
- Password Strength Checker — Analyse entropy, crack time and weakness patterns for any password
- UUID Generator — Generate RFC 4122 compliant UUIDs using Web Crypto API — not Math.random()
- Base64 Encoder/Decoder — Encode and decode Base64 strings for data URIs, APIs and more
- JWT Decoder — Decode and inspect JWT tokens without sending them to any server