User
Unix Timestamp Converter (Epoch to Date)
PX to REM Converter (and REM to PX)
JSON to CSV Converter (and CSV to JSON)
HTML Encoder and Decoder (Escape HTML Entities)
CSS Box Shadow Generator
UUID and GUID Generator (Free, In-Browser RFC 4122 v4)
URL Encoder and Decoder (Free, In-Browser)
Text Case Converter (UPPERCASE, lowercase, Title Case Online)
URL Slug Generator (Free, In-Browser)
Date Duration Calculator (Days, Weeks and Months Between Two Dates)