Developer Tools
String Escape / Unescape
Escape and unescape strings for JSON, HTML, URL encoding, and Python. Free online string escape tool.
Input
Result
Result will appear here.
Related Tools
Chmod Calculator
Calculate Unix file permissions visually. Click checkboxes to set read/write/execute for owner, group, and others. Shows octal and symbolic notation.
CSS Specificity Calculator
Calculate CSS selector specificity and understand which styles take precedence. Supports ID, class, attribute, pseudo-class, element, and pseudo-element selectors.
CSS Unit Converter
Convert between CSS units: px, rem, em, pt, vw, vh. Set custom base font size and viewport width.