# Base64 Encoder/Decoder

> Encode/decode base64 strings. Includes both popup GUI and context menu functionality. Allows encoding/decoding by a modified value (x2, x3, x4, etc).

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

## Overview

- **ID:** `base64-encode-decode`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** drewmarsh
- **Category:** web-development,privacy-security
- **Daily users:** 34
- **Rating:** 5.00 / 5 (1 ratings)
- **Version:** 1.0
- **Last updated:** 2024-03-18
- **First published:** 2024-03-17
- **Size:** 44 KB
- **Data as of:** 2026-09-07
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/base64-encode-decode/)
- **Website:** [https://github.com/drewmarsh/base64-encoder-decoder](https://github.com/drewmarsh/base64-encoder-decoder)

## Description

This extension offers two ways to encode/decode base64 strings. Get the job done with either an intuitive popup GUI or by selecting any text within your browser and right-clicking it to reveal the available context menu options. 

Additionally, you can encode/decode by a custom modifier value (x2, x3, x4, etc). Also, you can choose between a stylish light or dark theme.

## Rankings

- #19,336 — Overall
- #28 — base
- #76 — string
- #87 — value
- #106 — qr code
- #165 — modify

## Permissions and access

### Permissions

- `contextMenus`
- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Low 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/base64-encode-decode)