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Calculators, converters & more — no sign-up needed.
Calculators
Math, finance, and everyday calculation tools
Percentage Calculator
Find %, change rate, ratios
Calorie Calculator
Calculate daily calorie needs
Aspect Ratio Calculator
Calculate & convert aspect ratios
Prime Number Checker
Check primes & find factors
Converters
Unit conversion tools for length, weight, temperature, and more
Text Tools
Text analysis, counting, and manipulation tools
Developer Tools
JSON, code formatting, and developer utility tools
JSON Formatter
Format, validate & minify JSON
Base64 Encoder/Decoder
Encode & decode Base64 strings
JSON to CSV Converter
Convert JSON arrays to CSV
JavaScript Minifier
Minify and beautify JavaScript
Security Tools
Password generators, hash tools, and security utilities
Password Generator
Generate strong, secure passwords
QR Code Generator
Generate QR codes instantly
Password Strength Checker
Check password security strength
Hash Generator
Generate MD5, SHA-256, SHA-512
Color Tools
Color conversion, palette generation, and design utilities
Image Tools
Image resizing, compression, and format conversion tools
More tools are on the way — bookmark & check back!