ToolKitPassword Generator
Generate secure passwords in single or batch mode with entropy estimates.
Number & math
Hot
Free Security Tools Online
Free Security Tools Online
Security tools help you generate, inspect, and validate sensitive values without relying on a separate app. The category is especially useful for developers who want quick checks for passwords, tokens, and encoded data.
Use the security utilities to create strong passwords, decode JWTs, generate hashes, and validate identifiers. The tools are designed to be fast, private, and easy to reuse during development and day-to-day administration.
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384 and SHA-512 hashes.
Security
Hot
Base64 Encoder/Decoder
Encode and decode Unicode text or files with URL-safe Base64 support.
Security
URL Encoder/Decoder
Encode or decode URLs, components and special characters.
Security
JWT Decoder
Decode JWT headers and payloads with readable date claims and status checks.
Security
New
UUID Generator
Generate and validate UUIDs in bulk with formatting options.
Security
Hot
Password Strength Checker
Estimate password entropy, crack time and improvement suggestions.
Security
Bcrypt Hash Tool
Generate and verify bcrypt password hashes with configurable salt rounds.
Security
How this category helps
Use the security utilities to create strong passwords, decode JWTs, generate hashes, and validate identifiers. The tools are designed to be fast, private, and easy to reuse during development and day-to-day administration.
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FAQ
Are security tools safe to use with sensitive data?
Yes. Password analysis, token decoding, and hashing are all performed locally in the browser so your data stays on-device.
Which tools are included?
This category includes password generators, password strength checkers, bcrypt hashing, hash generation, JWT decoding, URL encoding, and UUID generators.
Can I use these tools for developer workflows?
Yes. They are useful for inspecting JWTs, encoding values, generating IDs, and checking the strength of credentials before deployment.