Image Compressor Image Cropper Image to Base64 JSON Formatter CSS Formatter HTML Formatter SQL Formatter QR Generator Base64 Encode/Decode Color Picker Word Counter URL Encoder Markdown Preview Text Diff UUID Generator Password Generator Hash Generator Timestamp Converter Regex Tester Lorem Ipsum Case Converter Unit Converter JWT Decoder JSON to CSV HTML Entity Text Dedup Random Number IP Lookup Crontab Parser JS Formatter SVG Minifier QR Reader Number Base Text to Slug Percentage Calc Date Calc Palette Gen EXIF Viewer Barcode Gen

Number Base Converter

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

From Base

Input Number

Binary (base 2)

—

Octal (base 8)

—

Decimal (base 10)

—

Hexadecimal (base 16)

—

FreeTools — Free online tools. No signup. No ads tracking. Your data stays in your browser.

© 2026 FreeTools. All rights reserved. Privacy Policy