Text Case Converter
Transform text instantly between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, and kebab-case.
4.8
Open3 Tools Available
Data & Format Converters
Zero-latency format transformations for strings, encodings, and design tokens without leaving the page.
Base64 Encoder & Decoder
Encode UTF-8 text or uploaded files to Base64 / Base64URL and decode Base64 strings safely in your browser.
4.9
OpenColor Picker & Converter (HEX / RGB / HSL)
Pick colors visually and convert instantly between HEX, RGB, RGBA, HSL, and CSS variables with WCAG contrast checker.
4.8
Open