Free web tools
Useful browser-based tools for SEO, AI visibility, and structured data.
Useful Toolkit collects focused single-purpose tools that run directly in the browser. Start with one of the live generators below.
Available now
Live tools
AI SEOllms.txt Generator
Create a simple llms.txt file so AI systems can better understand the important parts of your website.
AI SEOAI-Crawler robots.txt GeneratorCreate robots.txt rules for known AI crawlers such as GPTBot, Google-Extended, and CCBot.
SEO ToolsSchema Markup GeneratorGenerate JSON-LD markup for local businesses, FAQs, products, and articles.
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Planned tools
PWA Manifest GeneratorGenerate a Web App Manifest including icon hints and installation metadata.
SEPA QR Code GeneratorCreate EPC-compatible payment QR codes for SEPA transfers.
Open Graph Preview GeneratorCheck and generate social preview metadata for shared links.
FAQ
Are the tools free?
Yes. The current tools are free to use and run in the browser.
Do I need an account?
No account is required for the live generators.
Why does each tool use its own subdomain?
Each tool can be optimized and reviewed as a focused micro-site while still belonging to Useful Toolkit.