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Calculator
Evaluate basic arithmetic expressions locally.
math
Color Picker
Pick a color and convert between HEX/RGB/HSL.
designconvert
Password Generator
Generate strong passwords locally in your browser.
securityrandom
GCD / LCM
Compute the greatest common divisor and least common multiple.
math
Case Converter
Convert text casing (upper/lower/title/sentence).
text
JSON Prettify / Minify
Format or minify JSON locally.
textjson
Base64 Encode / Decode
Encode or decode Base64 locally.
textbase64