WebToolArcUseful Developer Tools starting points
Jump into a common task, then use the full directory below for more specialized tools.
Developer Tools
Browser-local number-system, bitwise, code-formatting and browser-inspection utilities with exact integer workflows.
Parse → Represent → Calculate → Inspect bits → Copy
Keep base, width, signedness and byte order visible. Start with the simplest representation task, then move into fixed-width bit interpretation only when your code or protocol requires it.
Convert & represent
Calculate in number systems
Interpret stored bits
Code & browser diagnostics
All Developer Tools
Decimal to Binary Converter
Convert a decimal integer to binary.
Developer ToolsBinary to Decimal Converter
Convert a binary integer to decimal.
Developer ToolsDecimal to Hex Converter
Convert a decimal integer to hexadecimal.
Developer ToolsHex to Decimal Converter
Convert a hexadecimal integer to decimal.
Developer ToolsUser Agent Parser
Parse a browser user-agent string into browser, operating system, engine, and device clues.
Developer ToolsBinary Calculator
Calculate exact binary integer arithmetic, then continue into bit shifts, signed interpretation or arbitrary-base arithmetic.
Developer ToolsHex Calculator
Calculate hexadecimal integers with the calculators and continue into byte order, signed interpretation or bit-level inspection.
Developer ToolsCSS Formatter
Beautify CSS with readable indentation and line breaks.
Developer ToolsJavaScript Formatter
Format JavaScript source for easier reading.
Developer ToolsCSS Minifier
Minify CSS locally without uploading your stylesheet.
Developer ToolsJavaScript Minifier
Reduce JavaScript source size with conservative whitespace and comment cleanup.
Developer ToolsJavaScript Syntax Checker
Check classic JavaScript syntax without executing the code.
Developer ToolsBinary to Hex Converter
Convert binary integers to hexadecimal with exact arbitrary-precision arithmetic.
Developer ToolsHex to Binary Converter
Convert hexadecimal integers to binary with optional nibble grouping.
Developer ToolsBinary to Octal Converter
Convert binary integers to octal exactly.
Developer ToolsOctal to Binary Converter
Convert octal integers to binary exactly.
Developer ToolsDecimal to Octal Converter
Convert decimal integers to octal exactly.
Developer ToolsOctal to Decimal Converter
Convert octal integers to decimal exactly.
Developer ToolsHex to Octal Converter
Convert hexadecimal integers to octal exactly.
Developer ToolsOctal to Hex Converter
Convert octal integers to hexadecimal exactly.
Developer ToolsTwo's Complement Calculator
Keep the dedicated two’s-complement derivation and use Signed & Unsigned Integer Converter when the same bit pattern must be compared in both interpretations.
Developer ToolsIEEE-754 Floating Point Converter
Inspect IEEE-754 floating-point representation with the floating-point inspector, separate from integer signedness and endianness workflows.
Developer ToolsBitwise Calculator
Perform the established bitwise operations, then use Bit Shift Calculator for explicit logical/arithmetic shift and rotate comparisons.
Developer ToolsBinary Fraction Converter
Convert binary fractions to decimal or decimal fractions to binary.
Developer ToolsBinary Subtraction Calculator with Steps
Subtract binary integers and inspect the borrow process bit by bit.
Developer ToolsBase Calculator
Calculate integer expressions in any base from 2 to 36 and cross-check the result in binary, octal, decimal and hexadecimal.
Developer ToolsBit Shift Calculator
Compare left shift, logical right shift, arithmetic right shift and bit rotation at explicit 8/16/32/64-bit widths.
Developer ToolsSigned & Unsigned Integer Converter
Inspect one fixed-width bit pattern as unsigned and signed two’s-complement values with exact 64-bit-safe arithmetic.
Developer ToolsEndianness Converter
Reverse byte order for integers or raw hex groups and inspect source/target byte layouts.