TCtools.christianoliff.comWeb developer tools

Favorites (0)

Favorite a tool to pin it here.

Code Tools▾

Backdrop Filter Generator
CSS Unit Converter
HTML Escape / Unescape
HTML Formatter
JSON Formatter
SQL Formatter
XML Formatter

Color Tools▾

Color Code Converter
Color Contrast Checker

Data Conversion▾

CSV to JSON Converter
EXIF Image Viewer
JSON to CSV Converter
JSON to YAML Converter
YAML to JSON Converter

Encode & Decode▾

Base64 Encode / Decode
JWT Decoder
Number Base Converter
Password Generator
QR Code Generator
SHA Hash Calculator
URL Encode / Decode

Network Tools▾

Subdomain Lookup
Unix Time Converter
URL Parser

Text Tools▾

Line Break Remover
Slug Generator
Text Case Converter
Text Diff Checker
Word Counter

Validation Tools▾

Credit Card Validator
Regex Checker
UUID Generator
UUID Validator

Home
/
Tools
/
Number Base Converter

Encode & DecodeReady

Number Base Converter

Add to favorites

Convert numbers between binary, octal, decimal, and hex.

Number
Converter

© 2026 Christian Oliff. All rights reserved.

Free to use. No sign-up required.

Input

Number (base 10)

Converted values

Binary: 0b11111111
Octal: 0o377
Decimal: 255
Hexadecimal: 0xff