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Security Toolkit

Key & Token Tools

A curated suite of generators for API authentication, JWT signing, webhook verification, and session security—plus Base64 and Hex formats.

Authentication & Signing

Authentication & Signing

Generate secrets for API access, JWT signing, HMAC verification, webhooks, and sessions.

API Key Generator API

Create API keys for REST, GraphQL, and partner integrations.

Random Secret Generator Random

Generate private random secrets for applications and configuration.

JWT Secret Key Generator JWT

HMAC secrets for HS256/HS384/HS512 token signing.

HMAC Secret Key Generator HMAC

Generate strong HMAC secrets for message integrity.

Webhook Secret Generator Webhook

Sign and verify webhook payloads securely.

Session Secret Generator Session

Protect session cookies and server-side sessions.

Encoding & Formats

Encoding & Formats

Produce Base64URL and Hex secrets for storage, config, and transport.

Base64 Secret Generator Base64

Base64URL or Base64 output with quick presets.

Hex Secret Generator Hex

Hex secrets with casing and grouping options.

Resources

Go Further

Guides, comparisons, and best practices for secure key handling.

Guides & Tutorials

Step-by-step implementation guides.

Compare Algorithms

Compare JWT, HMAC, Base64, and Hex choices.

Updates & Notes

Product notes and security tips.

Secret Key Generator

Free online secret key generator for developers. Create secure, random keys for JWT tokens, API authentication, and encryption. 100% client-side, open source, and privacy-focused.

Tools
All ToolsJWT Secret GeneratorHMAC Key GeneratorAPI Key GeneratorRandom Secret GeneratorBase64 Secret GeneratorWebhook Secret GeneratorSession Secret GeneratorHex Secret Generator
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