Developer Tools & Configs in Seconds
Fast, privacy-first web utilities designed for developers, digital creators, and SEO specialists. 100% in-browser generation with zero server lag.
SEO Meta Tags Generator & Live Google SERP Preview
Generate optimized meta titles, descriptions, canonical links, and robots tags. Preview live Google desktop and mobile search snippet cards with pixel-perfect accuracy.
- Google Desktop & Mobile SERP
- 60 / 160 Char Limit Bars
- Canonical & Robots Directives
- 1-Click HTML Export
Favicon & Mobile App Icon Generator
Create crisp favicons and mobile app icons from images, emojis, or letters. Instant client-side download of 16x16, 32x32, 180x180 Apple Touch, and PWA icon sets.
- Image, Text & Emoji to Icon
- Apple Touch Icon (180x180)
- Browser Tab Live Mockup
- Instant PNG Download
Automatic XML Sitemap Generator & Crawler
Automatically spider your website up to 250 pages free. Discovers internal links, extracts clean URLs, and generates production-ready sitemap.xml for Google Search Console.
- Auto-Spider up to 250 Pages
- Same-Domain Deep Crawl
- Google & Bing Format
- Instant XML Download
Schema Markup (JSON-LD) Generator
Generate valid Schema.org structured data for FAQ pages, Software Applications, Products, How-To guides, and Local Businesses to win Google rich snippets.
- FAQ Accordions
- Software & App Schema
- Product & E-commerce
- Rich Results Ready
App Privacy Policy & Data Safety Generator
Instantly generate standard privacy policies required by Google Play Console, AdMob, Firebase, and Apple App Store for smooth submission and review.
- AdMob & Firebase Disclosures
- Children's Privacy Protection
- GDPR Disclosures
- Downloadable HTML
Robots.txt & AI Bot Shield Generator
Optimize web crawler indexing with custom directives for Next.js, Shopify, and WordPress, while blocking unauthorized AI training scrapers.
- Shopify & Next.js Presets
- Block LLM & AI Scrapers
- Sitemap URL Linking
- 1-Click Copy
Security Headers & CSP Builder
Generate strict HTTP security headers including Content-Security-Policy (CSP), HSTS, and X-Frame-Options for Nginx, Next.js, and Apache.
- Content Security Policy (CSP)
- HSTS Strict Preload
- Clickjacking Protection
- SecurityHeaders.com A+
Open Graph & Social Share Preview
Build pixel-perfect Open Graph and Twitter Card tags with a real-time card mockup preview for X, Facebook, LinkedIn, and Discord.
- Twitter Summary Large Image
- Open Graph Protocol
- Live Social Card Preview
- Universal Meta Tags
UTM Campaign URL Builder
Build campaign tracking URLs compliant with Google Analytics 4 (GA4) with preset templates for Google Ads, Facebook, and email newsletters.
- GA4 Standards
- Google Ads Presets
- Newsletter Tracking
- Clean URL Validation
Terms & Conditions / EULA Generator
Generate legally grounded Terms of Service, User Agreements, and End User License Agreements for web apps, SaaS, and mobile apps.
- User Accounts & Conduct
- Subscription & Refund Terms
- Governing Law Clauses
- Instant HTML Export
PWA Web App Manifest Generator
Generate standard `manifest.webmanifest` files, icon configurations, theme colors, and HTML head tags for Progressive Web Apps.
- Theme & Background Pickers
- Standalone Mode
- Apple Touch Icons
- HTML Meta Tags
SQL Schema & Table DDL Generator
Visually design database tables and generate production-grade SQL DDL statements for PostgreSQL, MySQL, and SQLite with indexes.
- PostgreSQL, MySQL, SQLite
- Primary Key & Unique Constraints
- Auto Timestamps
- Clean Index Scripts
Designed for Speed, Standards, and Zero Data Collection
Why engineers, marketing leaders, and webmasters trust GenStack.
100% Client-Side Processing
All tools run strictly inside your browser sandbox. No configurations, tokens, or form data are ever stored or sent across a network.
Instant Generation
Zero API rate limits, zero server queues. Change inputs and see instant real-time code updates.
Up-to-Date Protocols
Regularly audited against Google Play Developer Policies, Schema.org releases, and search engine crawler guidelines.