# Numeral System Converter: Base

> Convert & calculate binary, hex, octal, decimal, and BCD instantly.

Canonical page: [https://chrome-stats.com/d/bd.parvez.numbersystem](https://chrome-stats.com/d/bd.parvez.numbersystem)

## Overview

- **ID:** `bd.parvez.numbersystem`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** madlab
- **Category:** EDUCATION
- **Downloads:** 21,579
- **Rating:** 3.20 / 5 (167 ratings)
- **Version:** 3.0.5
- **Last updated:** 2026-09-15
- **First published:** 2015-05-03
- **Publisher country:** BD
- **Size:** 12 MB
- **Data as of:** 2026-09-25
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=bd.parvez.numbersystem)
- **Website:** [https://madlab.com.bd](https://madlab.com.bd/)
- **Privacy policy:** [https://support.madlab.com.bd/privacy-policy/privacy-policy-nsc.html](https://support.madlab.com.bd/privacy-policy/privacy-policy-nsc.html)

## Description

**Numeral System Converter** is a fast, lightweight tool for students, programmers, and digital engineers. Convert values between decimal, binary, octal, hexadecimal, and Binary Coded Decimal (BCD) systems instantly, including fractional and floating-point numbers.

Use the built-in calculator to perform arithmetic directly in decimal, binary, octal, or hexadecimal. Clear, step-by-step calculation breakdowns make it easier to understand how each conversion works. The app is also offline-capable for convenient use while studying, coding, or working with digital systems.

## Rankings

- #423,495 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.READ_BASIC_PHONE_STATE`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `bd.parvez.numbersystem.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Users generally find the Numeral System Converter app very useful, accurate, and user-friendly, especially for students learning number systems. However, multiple reviews mention issues such as excessive ads, bugs resulting in wrong outputs, limited customization features, and difficulty pasting numbers into the app. Despite these drawbacks, users appreciate recent updates and the app's educational value.

### Pros

- Very useful and helpful for number system conversion
- User-friendly interface and easy to use
- Educational value for ICT students and those learning number system conversions
- Provides accurate answers
- Positive feedback on app updates and improvements

### Cons

- Too many advertisements affecting user experience
- Bugs causing incorrect outputs
- Lack of customization options such as changing colors, button positions, and font sizes
- Inability to paste numbers for conversion

## Similar extensions and apps

- [Numeral System Converter](https://chrome-stats.com/d/com.yarosmallorca.numeral_systems) — 142 users
- [Number System Converter](https://chrome-stats.com/d/studioabirnumbersystemcalculator.numbersystem) — 194 users
- [Numbers System Converter](https://chrome-stats.com/d/com.sanca.numberssystemconverter) — 17 users
- [Number System Converter](https://chrome-stats.com/d/com.numbersystemconverter.app) — 87 users
- [Number System Converter](https://chrome-stats.com/d/com.larsh.numbersystemconverter) — 13 users
- [Number System Converter](https://chrome-stats.com/d/com.techsoft.converter) — 85 users
- [Binary Converter](https://chrome-stats.com/d/dev.sarwari.binary_converter) — 152 users
- [Binary Number Converter](https://chrome-stats.com/d/com.kasiri.binary.number.convertor) — 45 users
- [Number System Calculator](https://chrome-stats.com/d/com.mathlogic.numbersystem) — 292 users
- [NumSystem](https://chrome-stats.com/d/com.HSGolden.NumSystem) — 76 users
- [Base Converter and Calculator](https://chrome-stats.com/d/com.rey.number_system_converter_calculator) — 149 users
- [Base Converter](https://chrome-stats.com/d/com.patchara.baseconverter) — 3,641 users

---

Source: [Chrome-Stats](https://chrome-stats.com/d/bd.parvez.numbersystem)