10 tools
Generators — UUID, QR, Fake Data & More
Generate the small artifacts a project always needs: UUIDs, QR codes, barcodes, placeholder text, realistic fake test data, URL-safe slugs, curl commands built from a form, and the meta tags or JSON-LD structured data a page is missing. No sign-up, no rate limits, no watermarks.
- QR Code GeneratorTurn text or a URL into a scannable QR code — download as PNG or SVG.
- UUID GeneratorGenerate v4 or time-ordered v7 UUIDs in bulk, and inspect existing ones.
- Lorem Ipsum GeneratorGenerate Lorem Ipsum placeholder text as paragraphs, sentences or words.
- Fake Data GeneratorGenerate realistic fake names, emails, addresses and more as JSON or CSV.
- Barcode GeneratorTurn text or digits into a real, scannable Code 128, Code 39, EAN-13, or UPC-A barcode.
- cURL Command BuilderTurn a method, URL, headers, body and auth into a correctly-escaped curl command.
- Slug GeneratorTurn a title into a clean, URL-friendly slug — separator, casing and length options.
- Meta Tag & Open Graph GeneratorBuild SEO, Open Graph and Twitter Card meta tags for a page, with a live search-result and social-card preview.
- JSON-LD Schema GeneratorBuild Article, Product, FAQ, How-to, Organization or Breadcrumb structured data from a form, ready to paste in.
- Mermaid Diagram GeneratorWrite Mermaid syntax and see the diagram render live — flowcharts, sequence diagrams, ER diagrams and more.
Looking for something else? Browse all 59 tools.
Find these tools useful? A coffee helps keep them free and ad-light.
Buy me a coffee