Generators
35 toolsFree online generators developer tools — fast, private, and runs in your browser.
Password Generator
Strong, random, secure passwords
PopularUUID Generator
Generate random UUID v4 identifiers
Lorem Ipsum Generator
Generate placeholder text
Random Name Generator
Names, usernames & businesses
Slug Generator
Convert text to URL-friendly slugs
CSS Gradient Generator
Create CSS gradient code visually
Cron Expression Parser
Build & explain cron schedules
QR Code Generator
Generate QR codes from text or URLs
PopularRSA Key Pair Generator
Generate RSA public/private key pairs
Chmod Calculator
Calculate Linux file permission codes
Markdown Table Generator
Build Markdown tables visually
Token / API Key Generator
Generate random tokens & API keys
PopularULID Generator
Generate sortable ULID identifiers
BIP39 Passphrase Generator
Generate memorable mnemonic passphrases
OTP / TOTP Generator
Generate time-based one-time passwords
Basic Auth Header Generator
Generate & decode HTTP Basic Auth headers
Open Graph Meta Generator
Generate OG & Twitter Card meta tags
Random Port Generator
Generate random port numbers with range options
WiFi QR Code Generator
Generate QR codes for WiFi network connections
SVG Placeholder Generator
Create SVG placeholder images with custom dimensions
Camera Recorder
Capture screenshots & record video from your camera
MAC Address Generator
Generate random MAC addresses with format options
IPv6 ULA Generator
Generate RFC 4193 Unique Local IPv6 addresses
SSH Key Generator
Generate RSA & ECDSA key pairs in PEM format
CORS Header Generator
Generate CORS config for Express, Nginx & Apache
Placeholder Data Generator
Generate fake names, emails, addresses & more
Sitemap XML Generator
Generate XML sitemaps from URL lists
CSS Box Shadow Generator
Visual box shadow builder with live preview
Flexbox Playground
Interactive CSS Flexbox layout builder
CSS Grid Generator
Visual CSS Grid layout builder
Color Palette Generator
Generate harmonious color palettes from a seed color
JWT Token Generator
Build & sign JWT tokens with HMAC
robots.txt Generator
Visual robots.txt builder with presets
.htaccess Generator
Generate common .htaccess rules
Barcode Generator
Generate Code 128 barcodes as SVG/PNG