# Calcatom

> Fast and reliable calculator for your browser with history tracking. Perform calculations instantly without leaving your tab.

Canonical page: [https://chrome-stats.com/d/calcatom](https://chrome-stats.com/d/calcatom)

## Overview

- **ID:** `calcatom`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Nearmelab
- **Category:** privacy-security,search-tools,shopping
- **Daily users:** 16
- **Weekly downloads:** 1
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0.4
- **Last updated:** 2026-05-18
- **First published:** 2025-12-20
- **Size:** 262 KB
- **Data as of:** 2026-10-02
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/calcatom/)
- **Website:** [https://nearmelab.digital](https://nearmelab.digital/)
- **Privacy policy:** [https://addons.mozilla.org/firefox/addon/calcatom/privacy/](https://addons.mozilla.org/firefox/addon/calcatom/privacy/)

## Description

Calcatom is a modern calculator extension designed for speed and simplicity.

<strong>Features:</strong>
- Basic arithmetic operations (add, subtract, multiply, divide)
- Scientific calculator mode
- Calculation history to review past operations
- Clean, intuitive interface
- Instant results with no lag
- Works completely offline
- Privacy-focused: all data stored locally
- Currency converter
- Keyboard shortcuts

Perfect for students, professionals, and anyone needing quick calculations while browsing. Lightweight and fast with no ads or tracking.

## Rankings

- #27,870 — Overall
- #246 — education

## Permissions and access

### Permissions

- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate risk likelihood

### Analysis details

- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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