Audit your SaaS application against 30 essential security checks. Check off items, get a score, and identify what to fix first.
Next.js Security Checklist: 12 Steps [2026]
The Next.js-specific deep dive that pairs with this generic SaaS checklist. CSP, RLS, webhooks, validation, more.
Backend-Only Data Access in Next.js + Supabase
The architectural pattern that makes most checklist items obsolete by removing the attack surface entirely.
OWASP Top 10:2025 for Next.js + Supabase Apps
Every OWASP 2025 category mapped to a Next.js + Supabase failure mode and the architectural defense. Use alongside this checklist for the bigger picture.
Pre-Launch Security Audit: 12 Checks That Matter Most
The audit walkthrough that pairs with this 30-check tool. Run the 12 highest-impact checks in audit order, then triage findings BLOCK / FIX / ACCEPT.
Stripe Fee Calculator
Calculate Stripe fees for any payment method and currency.
RLS Policy Generator
Generate Supabase Row Level Security policies with templates.
SaaS Pricing Calculator
Find your break-even price and suggested pricing tiers.
OG Image Preview
Preview meta tags on Google, Twitter, LinkedIn, and more.
Security Checklist
30 essential security checks with scoring and progress tracking.
Tech Stack Costs
Compare hosting, database, and service costs at scale.
Security Headers
Generate Next.js security headers config with copy-paste code.
JWT Decoder
Decode and inspect JSON Web Tokens. View claims and expiry status.
JWT Generator
Build and sign JWTs with HS256, HS384, or HS512 in your browser.
CORS Config Generator
Generate CORS configuration for Next.js or Express with copy-paste code.
JSON to Zod Converter
Paste JSON and get a typed Zod schema with format detection.
Stripe Webhook Verifier
Verify Stripe-Signature headers with your webhook secret in your browser.
API Key Generator
Generate cryptographically secure API keys, webhook secrets, and tokens in your browser.
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