Justice Blade Tools

Generate random port numbers

Generate random names for people, places, and things

Convert between Unix timestamps and human-readable dates

Convert between different units of measurement

Calculate percentages and percentage changes

Generate random numbers within a range

Generate and parse cron expressions

Convert between temperature units

Convert between Roman numerals and numbers

Calculate aspect ratios and resize dimensions

Convert between different number bases

Convert images to ICO format for favicons

Generate UUIDs (Universally Unique Identifiers)

Encode and decode text using Base64 encoding

Generate QR codes from text, URLs, or other data

Generate strong, random passwords

Hash passwords using bcrypt algorithm

Encode and decode URLs and query parameters

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

Decode and inspect JWT tokens (header/payload)

Compress images to reduce file size

Convert images to Base64 encoded strings

Generate organic SVG blob shapes

Convert images to WebP format

Resize images for social media platforms

Format and validate XML data

Test and debug regular expressions

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

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

Generate placeholder text for your projects

Convert YAML files to JSON format

Compare two text strings and highlight the differences

Validate and format JSON data with syntax highlighting

Encode and decode HTML entities

Convert Markdown to HTML

Convert JSON data to CSV format

Generate SEO-friendly slugs from text

Check key codes and key events for keyboard keys

Learn and experiment with CSS Flexbox

Convert colors between RGB, HEX, and HSL formats

Preview and generate CSS border-radius values

Create beautiful CSS gradients with a visual editor

Generate meta tags for SEO and social media

Generate CSS box shadows with a visual editor

Parse and analyze user agent strings

Reference for HTTP status codes

Reference for MIME types