About HexConvert.io

Free online tools for developers, programmers, and CS students

What We Offer

HexConvert.io provides a comprehensive suite of number conversion and developer tools. Whether you need to convert between decimal, hexadecimal, binary, or octal, perform bitwise operations, generate UUIDs, or work with data sizes, we've got you covered.

Key Features

  • Instant Results: All conversions happen as you type - no submit buttons needed
  • 100% Client-Side: Your data never leaves your browser. All processing is done locally
  • BigInt Support: Work with numbers larger than JavaScript's standard 53-bit limit
  • Code Examples: Every tool includes examples in JavaScript, Python, and C
  • One-Click Copy: Easily copy results in the exact format you need
  • Dark Mode: Developer-friendly dark theme by default

Our Tools

Base Converters

  • Decimal ↔ Hexadecimal
  • Decimal ↔ Binary
  • Decimal ↔ Octal
  • Universal any-base converter

Bitwise Tools

  • AND, OR, XOR, NOT operations
  • Two's complement calculator
  • Bit shift calculator
  • Bitmask generator

Developer Utilities

  • UUID generator
  • Hash generator (SHA-256, etc.)
  • Byte converter
  • IP address converter

Reference Tables

  • ASCII table
  • Unicode converter
  • IEEE 754 float visualizer

Part of Our Network

HexConvert.io is part of a network of developer tools. Check out our sister site ConvertJSON.io for JSON formatting and data conversion tools.

Open Source

This site is built with Next.js, TypeScript, and Tailwind CSS. All calculations are performed client-side for privacy and speed.

Start Converting