M
MJJ Tools
Home
Developer Tool
Base Convert
Grams to Tablespoons ConverterFahrenheit to Celsius ConverterTime to Decimal ConverterPixels to Inches ConverterOz to Liters ConverterCM to Feet ConverterKPA to PSI ConverterCubic Yard CalculatorBoard Foot CalculatorBoard and Batten CalculatorDeck Board CalculatorRaglan Depth CalculatorACFT CalculatorStair CalculatorVoltage Drop CalculatorAsphalt CalculatorTime CalculatorStarbucks Calorie CalculatorCorrected Calcium CalculatorFFMI CalculatorMME CalculatorAge Difference CalculatorAnion Gap CalculatorConduit Fill CalculatorStone CalculatorArmy Height and Weight CalculatorCrosswind CalculatorBoat Floating CalculatorChinese Zodiac LookupReaction Speed TestPie Chart GeneratorBar Chart GeneratorRandom Number GeneratorRandom Name PickerOnline StopwatchChronological Age CalculatorWorld TimeKeyboard CheckerKW to HP ConverterRandom Food GeneratorTime Swim ConverterJapanese Name GeneratorDate Format ComparisonBytes to GB ConverterWHTR CalculatorMarathon Pace CalculatorTDEE CalculatorTemporary File Sharing
Base ConvertRegex TesterCurl to Code ConverterVMess Config ParserCron Expression GeneratorYAML ValidatorBase64 Encoder/DecoderJSON Formatter & ValidatorJSON to Table ConverterJSON to Struct ConverterCoordinate ConverterHTML Online CompilerOnline SQL CompilerUTF-8 Encoder/DecoderRGB to Hex ConverterColor Palette GeneratorBarcode GeneratorXML ComparatorJSON to SQL ConverterAddress GeneratorCPF GeneratorCNPJ GeneratorDomain Availability CheckerCookie FormatterTimestamp ConverterUUID GeneratorURL Encoder/DecoderURL ParserJWT ParserQR Code GeneratorChmod CalculatorSlugify StringJSON to CSV ConverterYAML JSON ConverterMarkdown to HTMLHTML Entities Encoder/DecoderJSON XML ConverterIPv4 Subnet CalculatorMAC Address Lookup
Currency ConverterVPS Remaining Value CalculatorMortgage Payoff CalculatorIndiana Child Support CalculatorRV Loan CalculatorLand Loan Calculator529 CalculatorCap Rate CalculatorProrate Rent CalculatorPix QR Code GeneratorPix DecoderLottery Tax CalculatorFancy Serial Number Checker
Inequality CalculatorDeterminant CalculatorDouble Integral CalculatorPartial Derivative CalculatorPartial Fraction Decomposition CalculatorDifferential Equation CalculatorVariance CalculatorBinomial Distribution CalculatorCorrelation Coefficient CalculatorLaplace Transform CalculatorRadical CalculatorFive Number Summary CalculatorRadians to Degrees Converter
Blox Fruits CalculatorPokémon Type Calculator: Weaknesses & ResistancesOSRS Combat CalculatorERA Calculator2048 GameMemory Flip GameBlooket CalculatorSchulte TableSnake GamePowerball GeneratorWu-Tang Name GeneratorPictionary Word Generator
Mando'a TranslatorChinese English TranslatorDarija TranslatorYoruba Language TranslatorBosnian TranslatorShakespearean TranslatorHigh Valyrian TranslatorAncient Greek TranslatorTongan TranslatorWingdings TranslatorEnglish to Georgian TranslatorPatwa Translator
HCPSS Grade CalculatorAP Biology Score CalculatorAP Chemistry Score CalculatorCumulative GPA CalculatorAP Calc BC Score CalculatorAP Physics Score CalculatorAP Stats Grading CalculatorGrade Curve Calculator
Remove Line BreaksNumber to Chinese ConverterWord CounterEmail ExtractorLocal NotesRoman Numeral ConverterCase ConverterLorem Ipsum Generator
SSH Key GeneratorAtbash TranslatorHash TextPassword Strength AnalyzerToken GeneratorBcrypt Generator
WebP to PNG ConverterJPG to SVG ConverterPNG JPG to WebPImage SplitterImage Watermark
Robots.txt Generator
World Cup 2026 Schedule
ChatGPT Family

One subscription for ChatGPT · Claude · Grok · Gemini

Related Tools

UTF-8 Encoder/Decoder

Encode text to UTF-8 byte sequences or decode UTF-8 bytes back to readable text. Support multiple output formats including hex, decimal, and binary.

Developer Tool

Curl to Code Converter

Convert curl commands to code in multiple programming languages including JavaScript, Python, PHP, and more

Developer Tool

Regex Tester

Test and debug regular expressions with real-time pattern matching, flags, and detailed match analysis

Developer Tool

Base64 Encoder/Decoder

Encode text to Base64 or decode Base64 strings back to readable text

Developer Tool
View all Developer Tool tools →
M
MJJ Tools

Discover 70+ free online tools including calculators, converters, generators, and utilities. All tools work in your browser - no downloads required!

Also from us

ChatGPT Family

Popular Tools

  • ACFT Calculator
  • JSON Formatter & Validator
  • Chinese English Translator
  • Base64 Encoder/Decoder

Categories

  • Math Tool
  • Developer Tool
  • Finance Tool
  • Daily Tools

Info

  • About Us
  • Changelog
  • Privacy Policy
  • Terms of Service

© 2026 MJJ Tools. All rights reserved.

Base Convert

Convert numbers between different bases (binary, octal, decimal, hexadecimal) with support for bases 2-36

Base Converter

Quick Conversion

How to Use

1

Select the base of your input number (from base 2 to 36)

2

Select the target base for conversion

3

Enter your number using valid characters for the selected base

4

The result will appear automatically, or click Convert

Examples

Common Conversions

Decimal 255→Binary 11111111
Decimal 255→Hexadecimal FF
Hexadecimal A0→Decimal 160
Binary 1010→Decimal 10

Number Base Systems

Binary (Base 2): Uses digits 0-1, commonly used in computing and digital systems

Octal (Base 8): Uses digits 0-7, sometimes used in computing and file permissions

Decimal (Base 10): Uses digits 0-9, the standard number system we use daily

Hexadecimal (Base 16): Uses digits 0-9 and letters A-F, widely used in programming and computing