The Line Numberer tool helps you add sequential line numbers to any text. Perfect for:
Customize the starting number, prefix, and suffix to match your specific formatting needs.
Convert text between different case styles
Format and beautify your text
Find and replace text patterns
Sort text lines alphabetically
Randomize the order of your text lines
Remove accents and diacritical marks
Convert text to stylized fonts
Remove extra spaces and clean up text
Reverse text characters or words
Add line numbers to your text
Split text by delimiters or patterns
Join multiple text lines with delimiters
Duplicate text multiple times
Wrap text at specified line length
Encode and decode HTML entities
Convert text to URL-encoded format and back
Convert text to and from Base64
Convert text to ASCII and back
Convert text to Morse code and back
Generate placeholder text for your designs
Generate secure random passwords
Generate QR codes from text or URLs
Generate various hash values
Generate various types of barcodes
Create simple SVG graphics and code
Generate QR codes for WiFi networks
Generate fake data for testing
Generate harmonious color schemes
Generate unique identifiers (UUIDs)
Generate test credit card numbers
Generate names for people, businesses, and more
Generate popular meme captions and formats
Generate detailed startup ideas with market analysis
Parse URLs and extract query parameters
Check HTTP status codes and response headers
Perform DNS queries and lookups
Check SSL certificate details and expiration
Test website performance and Core Web Vitals
Look up domain registration information
Test network connectivity and latency
Scan network ports and services
Convert between different units
Convert between color formats
Convert between Roman and Arabic numerals
Convert between Unix timestamps and dates
Convert between JPEG and PNG formats
Calculate federal and state income taxes
Create responsive HTML tables visually
Create beautiful CSS gradients visually
Format, validate and beautify JSON data
Minify CSS code to reduce file size
Minify JavaScript code for production
Minify HTML code to optimize loading
Test and validate regular expressions
Format and beautify SQL queries
Format and validate XML documents
Format and validate YAML documents
Beautify and format various programming languages
Validate HTML markup for errors
Validate CSS syntax and properties
Test REST APIs with different methods
Decode and verify JSON Web Tokens
Pick colors and get hex, RGB, HSL values
Generate placeholder text for designs
Convert between Unix timestamp and human dates
Parse and analyze URL components
Generate cron expressions for scheduled tasks
Generate Apache .htaccess rules
Generate robots.txt files for SEO
Generate SEO meta tags for websites
Optimize SVG files to reduce size