Free Online Generator Tools
Generate UUIDs, passwords, QR codes, lorem ipsum, fake data, hashes, and more. All generators are free with no signup.
101 tools available
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text
Multi Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-384, SHA-512 hashes simultaneously from text or files
UUID Generator
Generate random UUIDs (v4) in bulk with one click
QR Code Generator
Generate QR codes from text, URLs, or any data
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words
Password Generator
Generate secure random passwords with customizable options
Cron Expression Parser
Parse and explain cron expressions with next run times
URL Slug Generator
Convert text to SEO-friendly URL slugs
Git Command Generator
Searchable Git cheat sheet with 90+ commands
Fake Data Generator
Generate fake names, emails, addresses for testing
HMAC Generator
Generate HMAC-SHA256, HMAC-SHA1 from message and secret key
HTML Table Generator
Convert CSV or JSON to HTML table markup
Bcrypt Hash Generator
Generate bcrypt password hashes with configurable cost
JSON to Go
Convert JSON to Go struct definitions online
JSON to Go Struct Converter
Generate Go struct definitions from JSON with customizable options
JSON to Kotlin
Convert JSON data to Kotlin data classes
JSON to JSON Schema
Convert JSON to JSON Schema — generate schema from JSON instantly
CSS Gradient Generator
Create beautiful CSS gradients with a visual editor
Box Shadow Generator
Design CSS box shadows visually with real-time preview
Meta Tag Generator
Generate HTML meta tags, Open Graph, and Twitter Card tags for SEO
Schema Markup Generator
Generate JSON-LD structured data for rich snippets in search results
Robots.txt Generator
Generate robots.txt files with crawler rules and sitemap directives
Favicon Generator
Create favicons from text or emoji with custom colors and sizes
ASCII Art Generator
Convert text to ASCII art with multiple font styles
Placeholder Image Generator
Generate placeholder images with custom dimensions, colors, and text
Color Palette Generator
Generate harmonious color palettes from any base color
Flexbox Generator
Visual Flexbox layout builder with live preview
Border Radius Generator
Design CSS border-radius with independent corner control
.gitignore Generator
Generate .gitignore files for any language, framework, or IDE
Nginx Config Generator
Generate Nginx configuration for reverse proxy, SSL, and more
.htaccess Generator
Generate Apache .htaccess rules
Docker Compose Generator
Visual docker-compose.yml builder
Content Security Policy Generator
Generate CSP headers with directives and sources for web security
Cron Expression Generator
Build, validate, and understand cron expressions with a visual editor
Text Repeater
Repeat text or characters multiple times with separator options
Md5 Hash Generator
Md5 Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Sha256 Hash Generator
Sha256 Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Sha1 Hash Generator
Sha1 Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Sha512 Hash Generator
Sha512 Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Regex Generator
Regex Generator - Free online tool for Regular expression testing. Fast, secure, and easy to use.
Crontab Generator
Generate crontab entries with visual schedule builder
Cron Job Scheduler
Schedule and manage cron jobs with visual interface
Cron Expression Parser
Parse cron expressions to human-readable schedules
Uuid Generator V4
Uuid Generator V4 - Free online tool for UUID generation. Fast, secure, and easy to use.
Cron Expression Generator
Build, validate, and understand cron expressions with a visual editor
Password Strength Checker
Password Strength Checker - Free online tool for Password generation. Fast, secure, and easy to use.
Online Hash Generator
Online Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
CSS Flexbox Generator
Generate CSS flexbox code with visual editor
Password Generator
Password Generator - Free online tool for Password generation. Fast, secure, and easy to use.
Markdown Table Generator
Create and format Markdown tables visually
Css Grid Generator
Css Grid Generator - Free online tool for CSS styling and formatting. Fast, secure, and easy to use.
Lorem Ipsum Generator
Lorem Ipsum Generator - Free online tool for Lorem ipsum generation. Fast, secure, and easy to use.
Uuid Generator
Uuid Generator - Free online tool for UUID generation. Fast, secure, and easy to use.
Json Schema Generator
Json Schema Generator - Free online tool for JSON data processing and conversion. Fast, secure, and easy to use.
Json To Zod
Json To Zod - Free online tool for JSON data processing and conversion. Fast, secure, and easy to use.
Css Gradient Generator
Css Gradient Generator - Free online tool for CSS styling and formatting. Fast, secure, and easy to use.
Regex Builder
Regex Builder - Free online tool for Regular expression testing. Fast, secure, and easy to use.
ASCII Art Generator
Convert text to ASCII art with various fonts and styles
Color Palette Generator
Generate harmonious color palettes for design projects
CSS Animation Generator
Generate CSS animations with visual preview
String Hash Generator
String Hash Generator - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
JWT Generator
Generate and sign JSON Web Tokens with HS256
CSS Animation Playground
Experiment with CSS animations interactively
ASCII Table Generator
Generate ASCII tables from CSV, JSON, or tabular data
Css Triangle Generator
Css Triangle Generator - Free online tool for CSS styling and formatting. Fast, secure, and easy to use.
Git Ignore Generator
Git Ignore Generator - Free online tool for Git command generation. Fast, secure, and easy to use.
Sha256 Hash
Sha256 Hash - Free online tool for Hash generation (MD5, SHA). Fast, secure, and easy to use.
Strong Password Generator
Generate strong, secure passwords with customizable length and character types
Random Password Generator
Generate random passwords instantly with customizable options
Secure Password Generator
Generate secure passwords with cryptographically strong random generation
WiFi QR Code Generator
Generate QR codes for WiFi network sharing
JSON to JSON Schema Generator
Generate JSON Schema from JSON data automatically. Create Draft-07 compliant schemas with type inference and validation rules.
Favicon Checker & Generator
Check if a website has proper favicons configured. Generate favicon HTML tags for all platforms including Apple Touch Icon and PWA manifest.
QR Code Generator
Generate QR codes from text, URLs, and data
CSS Border Radius Generator
Visual CSS border-radius generator with presets and live preview
JSON to Swift
Convert JSON to Swift Codable structs
TypeScript to Zod
Convert TypeScript types to Zod schemas
JSON to HTML Form
Generate HTML forms from JSON data
JSON to GraphQL Schema
Convert JSON to GraphQL types
CSS Variables Generator
Generate CSS custom properties visually
JSON to SQL
Convert JSON data to SQL INSERT statements
Color Gradient Generator
Visual CSS gradient generator
JSON to Scala
Convert JSON to Scala case classes
JSON to Rust Struct
Convert JSON data to Rust struct definitions with serde support
Cron Job Generator
Interactive cron expression builder with presets and human-readable descriptions
JSON to Protobuf
Convert JSON to Protocol Buffer definitions
Text to ASCII Art
Convert text to ASCII art with various font styles
CSS Shadow Generator
Visual box-shadow and text-shadow generator
CSS Clip Path Generator
Visual clip-path shape generator
CSP Header Generator
Build Content Security Policy headers
CSS Filter Generator
Visual CSS filter generator
Nginx Config Generator
Generate Nginx configurations
Dockerfile Generator
Generate Dockerfiles visually
CSS Transition Generator
Visual CSS transition builder
API Response Generator
Generate mock API responses
CSS Text Shadow Generator
Visual text-shadow generator
Glassmorphism CSS Generator
Generate glassmorphism CSS effects with live preview
Neumorphism CSS Generator
Generate neumorphism soft UI CSS effects
XML Sitemap Generator
Generate XML sitemaps for your website
CSS Gradient Text Generator
Create gradient text effects with CSS
ULID Generator
Generate ULIDs - Universally Unique Lexicographically Sortable Identifiers
About Free Online Generator Tools
DevToolBox provides a collection of free online developer tools to help you efficiently complete everyday development tasks. This category includes 101 tools, all running directly in your browser with no installation required. Your data stays on your device and is never sent to our servers, ensuring complete privacy.
All tools are completely free with no registration or login required. Available in 15 languages for developers worldwide.