# Base64 Decoder

> Simplify your workflow with one-click decoding. This extension is a lightweight tool designed for developers, security researchers, and enthusiasts who frequently encounter Base64 encoded strings. Decode in a snahp!

Canonical page: [https://chrome-stats.com/d/base64-decoder-plat](https://chrome-stats.com/d/base64-decoder-plat)

## Overview

- **ID:** `base64-decoder-plat`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** PlatinumSif
- **Category:** web-development,privacy-security,social-communication
- **Daily users:** 2
- **Version:** 1.7
- **Last updated:** 2026-03-18
- **First published:** 2026-03-15
- **Size:** 24 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/base64-decoder-plat/)

## Description

Base64 Decoder 

Key Features:

<code>In-Place Replacement: Swap scrambled Base64 strings with readable text without leaving the page.

Context Menu Integration: Quick access via a simple right-click.

Toolbar Shortcut: Use the pinned icon to decode your current selection instantly.

Privacy-First: Processes all data locally on your machine. No data is collected, stored, or transmitted.
</code>

How to Use
Method 1: The Right-Click Menu

<code>Highlight any Base64 encoded string on a webpage (e.g., WW91J3JlIGJyZWF0aHRha2luZyE=).

Right-click the highlighted text.

Select "Decode and Replace Base64" from the menu.

The encoded text will instantly be replaced by the decoded version.
</code>

Method 2: The Toolbar Button

<code>Highlight the Base64 string you wish to decode.

Click the Base64 Decoder icon (the blue gear with "64") in your Firefox toolbar.

The text on the page will update automatically.

    Note: If you don't see the icon, click the puzzle piece (Extensions) icon and pin the "Base64 Decoder" to your toolbar.
</code>

## Rankings

- #63,604 — Overall
- #106 — base

## Permissions and access

### Permissions

- `contextMenus`
- `activeTab`

### Content script matches

- `<all_urls>`

## Safety

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

### Analysis details

- Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
- 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/base64-decoder-plat)