# Decode base64 Extension

> Decodes selected text using Base64 or URL decoding and replaces it with the original and decoded text (with a link if applicable).

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

## Overview

- **ID:** `decode-base64-extension`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** underlines
- **Category:** web-development,download-management,privacy-security
- **Daily users:** 25
- **Weekly downloads:** 2
- **Version:** 1.0
- **Last updated:** 2025-03-17
- **First published:** 2025-03-16
- **Size:** 14 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/decode-base64-extension/)

## Description

On any website
1. select a text that is a base64 or HTML encoded string
2. Right Click on your selected text
3. choose 'Decode String'

## Rankings

- #22,365 — Overall
- #31 — base
- #214 — string

## Permissions and access

### Permissions

- `contextMenus`
- `scripting`
- `activeTab`

## 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).

## Similar extensions and apps

- [Simple Base64 Decoder](https://chrome-stats.com/d/simple-base64-decoder) — 1 users
- [Decoder](https://chrome-stats.com/d/decoder) — 15 users
- [Base64 Decoder on Selection](https://chrome-stats.com/d/base64-decoder-on-selection) — 7 users
- [Base64 Decoder](https://chrome-stats.com/d/base64-decoder-plat) — 2 users
- [Page-Base64-Decoder](https://chrome-stats.com/d/page-base64-decoder) — 1 users
- [Base64 Codec](https://chrome-stats.com/d/base64-codec) — 108 users, 2.67 / 5
- [Base64 URL Decoder](https://chrome-stats.com/d/base64-url-decoder) — 44 users, 5.00 / 5
- [Base64 Pal](https://chrome-stats.com/d/base64-pal) — 1 users, 5.00 / 5
- [Base64 decoder](https://chrome-stats.com/d/base64-decoding) — 1 users
- [Smart Decoder](https://chrome-stats.com/d/smart-decoder) — 14 users
- [Base64 Selection Decoder](https://chrome-stats.com/d/base64-selection-decoder) — 2 users
- [Base64 Tool](https://chrome-stats.com/d/base64-tool-iue) — 1 users

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Source: [Chrome-Stats](https://chrome-stats.com/d/decode-base64-extension)