Developer Tools

Binary Calculator

Perform binary arithmetic and bitwise operations online. Supports ADD, SUB, MUL, AND, OR, XOR, NOT. Shows BIN, HEX, OCT results.

Input

Input Base

Decimal Binary

A

Operator

B

Result

CSS Unit Converter

Convert between CSS units: px, rem, em, pt, vw, vh. Set custom base font size and viewport width.

JSON Path Tester

Test JSONPath expressions against JSON data. Supports dot notation, array indexing, and wildcard selectors.

User-Agent Parser

Parse any User-Agent string to identify browser, OS, device type, and rendering engine. Auto-detects your current browser.