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Popular

Learn Arabic for Kids
Unit Converter
QR Code Generator
Password Generator
Regex Tester
Color Picker
UUID Generator

Developers

URL Parser & Builder
Text Diff Checker
JWT Decoder
UTM Builder
JSON Formatter
Text Case Converter
Regex Tester
Base64 Encoder / Decoder
UUID Generator
Word Counter
URL Encoder / Decoder
Number Base Converter
Slugify Text
Line Tools (Sort & Dedupe)
Hash Generator
XML Formatter
HTML Entities Encoder/Decoder
Lorem Ipsum Generator
Random String Generator

Security

AES Encrypt / Decrypt
HMAC (SHA‑256)
Password Generator
Password Strength Checker
Pwned Password Check

Design

Box-Shadow Generator
Border-Radius Generator
Color Formats Converter
Image to ASCII Art
Color Picker
QR Code Generator
Color Contrast Checker
Barcode Generator
CSS Gradient Generator
Favicon Generator (PNG)

Conversion

Image Converter & Compressor
CSV ↔ JSON Converter
Byte Size Converter
Time Zone Converter
Unit Converter
Epoch ↔ Date Converter
Markdown ↔ HTML
JSON ↔ YAML
Image → Base64

Health

BMI Calculator

Community

The Map

Education

Roman Numeral Converter
Morse Code Translator
Learn Arabic for Kids
Text to Speech
Speech to Text

SEO

robots.txt Generator
Schema Markup Generator (Article)
Open Graph Preview
Meta Tags Generator

Roman Numerals Converter

Number (1–3999) Roman

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Privacy-first: Most tools run entirely in your browser. Your input stays on your device and isn’t uploaded. Network access is only used where required (e.g., maps or optional geocoding) and is clearly indicated.