Workspace

Security Utilities

Browser-local helpers for safer technical work.

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Security

Tokens

Security

JWT Decoder

Decode JWT headers and claims locally without verifying signatures.

Security

Random Token Generator

Generate bounded cryptographically secure tokens in common encodings.

Security

Hashes & HMAC

Security

HMAC Generator

Generate HMAC-SHA256/384/512 values using Web Crypto locally.

Security

Hash Generator

Generate SHA-256, SHA-384, or SHA-512 digests locally.

Security

Public Key Fingerprint

Fingerprint public-key material locally using SHA-256.

Security

Passwords

Security

Password Strength

Estimate password strength and patterns without storing the password.

Security

Password Generator

Generate secure random passwords with configurable character sets.

Security

Password Entropy Calculator

Estimate theoretical entropy from length and character pool.

Security

Certificates & Keys

Security

PEM / Certificate Decoder

Inspect safe certificate metadata from local PEM input.

Security

CSR Decoder

Inspect locally supplied PKCS#10 CSR metadata where available.

Security

Key Pair Command Builder

Build safe copy-ready SSH and OpenSSL key-generation commands without executing them.

Security

CSR Generator

Validate certificate subject fields and build a local OpenSSL CSR command.

Security

Encoding / Inspection

Security

Base64 Encoder / Decoder

Encode and decode UTF-8 text without uploading it.

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Tools in this category

13 tools

Security

JWT Decoder

Decode JWT headers and claims locally without verifying signatures.

Security

HMAC Generator

Generate HMAC-SHA256/384/512 values using Web Crypto locally.

Security

Password Strength

Estimate password strength and patterns without storing the password.

Security

Password Generator

Generate secure random passwords with configurable character sets.

Security

Hash Generator

Generate SHA-256, SHA-384, or SHA-512 digests locally.

Security

Base64 Encoder / Decoder

Encode and decode UTF-8 text without uploading it.

Security

Random Token Generator

Generate bounded cryptographically secure tokens in common encodings.

Security

Password Entropy Calculator

Estimate theoretical entropy from length and character pool.

Security

PEM / Certificate Decoder

Inspect safe certificate metadata from local PEM input.

Security

CSR Decoder

Inspect locally supplied PKCS#10 CSR metadata where available.

Security

Public Key Fingerprint

Fingerprint public-key material locally using SHA-256.

Security

Key Pair Command Builder

Build safe copy-ready SSH and OpenSSL key-generation commands without executing them.

Security

CSR Generator

Validate certificate subject fields and build a local OpenSSL CSR command.