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Number Base Converter

Binary, octal, decimal and hex with a bit view.

Convert between binary, octal, decimal and hexadecimal with bit view.

  • Side panel
  • Command palette
Add to Chrome(opens the Chrome Web Store in a new tab)or pressCtrlShiftSpace
One Panel Search tools

Number Base Converter

Side panel

Binary

Ready01 / 04

01Features

What it does

  1. 01Binary
  2. 02Octal
  3. 03Decimal
  4. 04Hex
  5. 05Bit visualisation

02Use cases

When you'll reach for it

Decode a bit flag
Read a hex colour as numbers

How to open it

  1. 1

    Side panel

    Click the One Panel icon in the toolbar and search for “Number Base Converter”.

  2. 2

    Command palette

    Press Ctrl + Shift + Space on any page and type its name.

Privacy

  • Runs entirely inside your browser. No account, no analytics, no remote code.

Keep going

Pairs well with

Calculators

Calculator

Arithmetic and scientific calculator with history (no eval).

Calculators

Unit Converter

Convert length, weight, temperature, data, speed and more.

Date & Time

Date & Time Toolkit

Convert timestamps, calculate dates, compare time zones and preview cron schedules.

Screenshots

Capture Toolkit

Capture the visible tab and annotate with shapes, text, highlight and blur.

Screenshots

Screen Recorder

Record a tab, window, or your whole screen with mic and tab audio, then save or share it.

Image

Save Image As Type

Right-click any image and save as JPG, PNG, WebP, GIF, or PDF — converted locally.

Get Number Base Converter and 80 more

One install adds every tool to your side panel. No account, nothing to configure.

Add to Chrome(opens the Chrome Web Store in a new tab)