51 professional-grade utilities for developers, designers, and marketers
Generate cryptographically secure passwords with entropy verification
Decode and inspect JSON Web Tokens
Generate cryptographically secure unique identifiers
Generate secure API keys and secrets
Encode and decode Base64 strings
Convert text to binary and back
Format, validate, and minify JSON
Convert XML to JSON format
Convert SVG images to CSS background
Generate RFC 4122 compliant UUIDs
Minify and beautify CSS code
Minify and beautify HTML code
Encode special characters to HTML entities
Create SEO-friendly URL slugs
Generate robots.txt files for SEO
Validate XML sitemaps
Generate SPF records for email authentication
Generate DKIM records for email signing
Generate DMARC policies
Check email content for spam triggers
Generate BIMI records for brand indicators
Generate MTA-STS policies
Generate QR codes for plain text
Generate QR codes for URLs
Generate WiFi connection QR codes
Generate contact card QR codes
Build campaign tracking URLs
Generate complete favicon packages
Generate placeholder images
Remove EXIF data from images
Convert °C, °F, and Kelvin
Convert kg, lbs, oz, and more
Convert liters, gallons, cups
Check color contrast ratios for WCAG compliance
Simulate various types of color blindness
Browse countries, regions, and subregions
Browse global time zones
Generate valid test credit card numbers
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