Free Developer Tools
A growing collection of free utilities for Next.js and SaaS builders. Every tool runs 100% in your browser — no data ever leaves your machine.
Cron Secret Generator
Generate a cryptographically secure CRON_SECRET to protect your cron job endpoints on Vercel, Dokploy, Coolify or any platform.
Auth Secret Generator
Generate secure random keys for AUTH_SECRET, BETTER_AUTH_SECRET, NEXTAUTH_SECRET, JWT secrets and any other environment variable.
Better Auth Secret Generator
Generate a cryptographically secure BETTER_AUTH_SECRET for Better Auth — the same strength as npx @better-auth/cli secret, right in your browser.
NextAuth Secret Generator
Generate a secure NEXTAUTH_SECRET (NextAuth.js v4) or AUTH_SECRET (Auth.js v5) — the same 32-byte key npx auth secret creates, without leaving your browser.
JWT Secret Generator
Generate a JWT_SECRET that meets the RFC 7518 minimum for HS256, HS384 and HS512 — 32, 48 or 64 bytes of real entropy, ready for jsonwebtoken or jose.