Index
Site Map
Every page on the site, grouped by what it does.
Every tool, table and guide, in five groups. If you already know what you need, the fastest route is the navigation at the top; this page exists for browsing, and for finding the tool whose name you cannot quite remember.
Converters
- All converters
- Hex to Decimal ConverterRead a hex value as an ordinary number, signed or unsigned
- Decimal to Hex ConverterRepeated division, with case and prefix options
- Hex to Binary ConverterDigit-for-nibble expansion with grouping options
- Binary to Hex ConverterGrouped from the right, padded on the left, padding shown
- Hex to Octal ConverterBase 16 to base 8, through the bits
- Octal to Hex ConverterBase 8 to base 16, regrouping three bits into four
- Hex to ASCII ConverterDecode hex byte pairs into ASCII characters
- ASCII to Hex ConverterEncode characters as hex byte pairs
- Hex to Text ConverterDecode hex as UTF-8, covering every language and emoji
- Text to Hex ConverterEncode any text as UTF-8 hex bytes
- Hex to Base64 ConverterRepack bytes into the denser Base64 alphabet
- Base64 to Hex ConverterUnpack Base64 into readable hex bytes
Color Tools
- All color tools
- Hex Color ConverterHex, RGB, HSL and contrast in one view
- Hex to RGB ConverterSplit a hex code into red, green and blue
- RGB to Hex ConverterPack three channel values into a hex code
- Hex to HSL ConverterConvert hex into hue, saturation and lightness
- HSL to Hex ConverterTurn hue, saturation and lightness into a hex code
- Hex Color PickerPick a color visually and read every code
- Hex Color ChartNamed CSS colors with hex and RGB values
Calculators
- All calculators
- Hex CalculatorAdd, subtract, multiply and divide in base 16
- Hex Addition CalculatorCarrying at sixteen
- Hex Subtraction CalculatorBorrowing sixteen
- Hex Multiplication CalculatorColumn working and shift shortcuts
- Hex Division CalculatorQuotient, remainder and digit dropping
Tables
- All tables
- Hex to Decimal Conversion TableEvery hex value from 00 to FF with its decimal equivalent
- Hex to Binary Conversion TableNibble patterns and every byte from 00 to FF in binary
- Hex to Octal Conversion TableEvery byte from 00 to FF with its octal value
- ASCII Hex TableAll 128 ASCII codes in hex, decimal, octal and binary
- Hexadecimal TableHex, decimal, binary and octal side by side, 0 to 255
Guides
- All guides
- What Is Hexadecimal?The number system explained from scratch
- The Hexadecimal Number SystemPlace value, counting and arithmetic in base 16
- What Do A–F Mean in Hexadecimal?Why hex borrows six letters, and what each one is worth
- Hex vs DecimalTwo notations, two jobs — when each one is right
- Hex vs BinaryThe same bits, written two ways
- Hex vs OctalWhy base 16 beat base 8, and where octal survives
- How to Convert Hex to Decimal by HandWork it out on paper, with practice problems
- How to Convert Decimal to Hex by HandRepeated division on paper, with practice problems
- How to Convert Hex to Binary by HandThe substitution method, and going back the other way
- How Do Hex Color Codes Work?Why #RRGGBB works, and how to read a color by eye
The rest
- Hex ConverterThe universal converter on the homepage
- AboutHow the site works and who runs it
- ContactReport a problem or request a tool
- Privacy PolicyWhat is and is not collected
- Terms and ConditionsConditions of use
- DisclaimerWhat the site should not be relied on for
- DisclosureHow the site is funded