Base Converter Calculators

56 free base conversion tools for binary, decimal, hexadecimal, text encoding, bitwise operations, complements, and special radix systems.

Browse base converter tools by topic. This directory groups general radix conversion, binary operations, text encodings, digital codes, named bases, fractional values, and special radix systems so the right converter is easier to find.

Featured Base Converter Tools Start here

Arbitrary Base Converter Fractional Base Converter Binary Bitwise Calculator Two's Complement Calculator Hex to Text Converter Prefixed Base Conversion Tool

Browse Base Converters by Topic

General Base Conversion Binary, Bitwise and Signed Numbers Text and Encoding Converters Gray Code, BCD and Digital Codes Named Base Converters Fractional and Special Radix Systems

General Base Conversion

10 tools

Convert numbers between common and arbitrary bases, including prefixed values and custom alphabets.

Arbitrary Base Converter Prefixed Base Conversion Tool Custom Alphabet Base Converter Radix Point Shift Calculator Octal to Decimal Converter Decimal to Base3 Converter Base3 to Decimal Converter Base16 to Base12 Converter Hex to Base36 Converter Base36 to Hex Converter

Binary, Bitwise and Signed Numbers

5 tools

Work with binary operations, signed representations, one's complement, two's complement, and sign magnitude.

Binary Bitwise Calculator Unsigned to Signed Radix Converter Two's Complement Calculator One's Complement Converter Signed Magnitude Binary Converter

Text and Encoding Converters

10 tools

Convert between text and hex, binary, octal, Base32, Base58, Base62, and related encoded forms.

Hex to Text Converter Binary to Plain Text Converter Octal to Plain Text Converter Duodecimal To Text Converter Base32 to Text Converter Text to Base32 Converter Text to Base58 Converter Text to Base62 Converter Base58 to Decimal Converter Base62 to Binary Converter

Gray Code, BCD and Digital Codes

7 tools

Convert Gray code, Binary-Coded Decimal, Excess-3, and biquinary digit encodings.

Arbitrary Radix Gray Code Converter Gray Code to Binary Converter Binary to Gray Code Converter BCD to Decimal Converter Decimal to BCD Converter Excess-3 Code Converter Biquinary Code Converter

Named Base Converters

17 tools

Use dedicated converters for quaternary, quinary, senary, dozenal, Base32, Base36, Base58, Base62, Base85, Base91, and Base100.

Base4 Quaternary Converter Base5 Quinary Converter Base6 Senary Converter Base7 Septenary Converter Base9 Nonary Converter Base12 Duodecimal Converter Base20 Vigesimal Converter Base24 Tetravigesimal Converter Base32 Converter Base36 Alphanumeric Converter Base40 Quadragesimal Converter Base50 Quinquagesimal Converter Base58 Blockchain Converter Base62 Alphanumeric Converter Base85 Ascii85 Converter Base91 Radix Converter Base100 Centesimal Converter

Fractional and Special Radix Systems

7 tools

Convert fractional values, repeating radix fractions, negative bases, balanced ternary, and mixed-radix notation.

Fractional Base Converter Arbitrary Base Fraction Simplifier Fractional Negative Base Converter Repeating Radix Fraction Converter Negative Radix Base Converter Balanced Ternary Converter Mixed Radix Notation Converter

What Can You Do With These Base Converter Tools?

These converters help translate numbers and encoded data across binary, decimal, octal, hexadecimal, arbitrary bases, signed binary forms, text encodings, Gray code, BCD, fractional radix notation, negative bases, and mixed-radix systems. They are useful for programming, digital logic, electronics, cryptography practice, and number system study.

Frequently Asked Questions

What base converter tools are available here?▼

This page includes arbitrary base conversion, binary, decimal, octal, hexadecimal, text encoding, bitwise, complement, Gray code, BCD, fractional radix, negative base, and named base converters.

Which base converter should I start with?▼

For most number conversions, start with the Arbitrary Base Converter. For binary operations, use the Bitwise Calculator or Two's Complement Calculator. For text encodings, use the hex, binary, octal, Base32, Base58, or Base62 text converters.

Do these base converters show steps?▼

Many converters include place-value expansion, repeated division, digit mapping, complement representation, or encoding steps so you can verify the conversion.

Are the base conversion tools free?▼

Yes. The base converters are free browser-based tools for students, developers, electronics work, programming checks, and digital logic practice.

Algebra Geometry Trigonometry Matrices Functions Number Theory Base Converter Electronics Statistics Life & Finance Simulators

Free online calculators and tools covering mathematics, unit conversion, text processing, and daily life. Accurate, fast, mobile-friendly, and completely free to use.

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