AI Sample Data

A suite of 24 browser-based developer tools that solve common tasks such as generating test data, formatting JSON and SQL, decoding JWTs, creating QR codes, and checking WCAG contrast. It targets developers, designers, and QA teams across companies of all sizes, including freelancers and enterprises. The tools are free, require no signup, and run instantly in the browser, distinguishing them from ad-supported or paywalled alternatives.

Key features

• Generate test data in CSV, JSON, SQL, XML
• Format, minify, and validate JSON
• Format and beautify SQL queries
• Decode and verify JWT tokens
• Generate QR codes from text or URL
• Check WCAG AA and AAA contrast
• Build CSS gradients visually
• Generate secure random passwords
• Create UUIDs in bulk (v1, v4, v7)
• Convert Unix epoch to date and back
• Encode and decode Base64
• Test regex with live match highlights
• Compare two text blocks with diff checker
• Generate placeholder images (SVG/PNG)
• Create color palettes and gradients
• Generate lorem ipsum and placeholder text
• Build landing pages with HTML generator
• Edit Markdown with live preview
• Encode, decode, and parse URLs
• Clean Word/Docs paste to HTML
• Generate meta tags for SEO and social
• Build cron expressions visually
• Convert units (length, weight, temp)
• Generate hash values (MD5, SHA-1, SHA-256, SHA-512)