Justice Blade Tools

Generate random port numbers

Check key codes and key events for keyboard keys

Generate meta tags for SEO and social media

Generate CSS box shadows with a visual editor

Preview and generate CSS border-radius values

Convert colors between RGB, HEX, and HSL formats

Learn and experiment with CSS Flexbox

Create beautiful CSS gradients with a visual editor

Convert between Unix timestamps and human-readable dates

Generate random names for people, places, and things

Generate and parse cron expressions

Convert between Roman numerals and numbers

Generate random numbers within a range

Convert images to ICO format for favicons

Convert between temperature units

Convert between different units of measurement

Convert between different number bases

Calculate aspect ratios and resize dimensions

Calculate percentages and percentage changes

Convert images to WebP format

Resize images for social media platforms

Generate organic SVG blob shapes

Convert images to Base64 encoded strings

Compress images to reduce file size

Decode and inspect JWT tokens (header/payload)

Generate UUIDs (Universally Unique Identifiers)

Encode and decode URLs and query parameters

Generate strong, random passwords

Generate QR codes from text, URLs, or other data

Generate MD5, SHA-1, and SHA-256 hashes from text

Hash passwords using bcrypt algorithm

Encode and decode text using Base64 encoding

Compare two text strings and highlight the differences

Test and debug regular expressions

Convert text between different cases (lower/upper/title/camel/snake/kebab)

Generate SEO-friendly slugs from text

Count words, characters, sentences, and paragraphs in your text

Validate and format JSON data with syntax highlighting

Generate placeholder text for your projects

Encode and decode HTML entities

Convert JSON data to CSV format

Convert Markdown to HTML

Convert YAML files to JSON format

Format and validate XML data

Reference for HTTP status codes

Reference for MIME types

Parse and analyze user agent strings