# SFMC Helper

> A toolbox for Salesforce Marketing Cloud power users: encode/decode, code reference, string generators, and more

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

## Overview

- **ID:** `sfmc-helper`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** jjdev
- **Category:** web-development
- **Version:** 1.0.0
- **Last updated:** 2026-07-13
- **First published:** 2026-07-10
- **Size:** 85 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/sfmc-helper/)

## Description

A lightweight, dependency-free browser extension that extends Salesforce Marketing Cloud (SFMC) with a curated toolbox of utilities for power users.

Key features:

Developer tools: 
Encode/decode (Base64, URL, HTML, JWT, SHA-256, etc.), 
JSON formatter, 
CSV ⇄ JSON converter, 
Regex tester, 
Text stats (SMS segment counter), 
Diff viewer, 
code generators, 
AMPscript/SQL helpers, 
Searchable code reference library

Marketing tools: 
Subject-line analyzer (deliverability, truncation preview, spam triggers),
Email HTML preflight checker (WCAG, client compatibility),
Color contrast checker, Send-time calculator,
Personalization string composer
Context awareness: Detects SFMC stack, app from the page; 
command palette (Alt+A) for fast app navigation; 
floating launcher (Alt+S) for in-page access

Customizable UI: 
Dark/light theme toggle, 
per-tool visibility controls, 
category-level hides (Developer/Marketing groups), 
pinned Time and Context tools

Security: Read-only, never accesses tokens/cookies, runs entirely locally (no telemetry)

## Rankings

- #133,312 — Overall
- #162 — salesforce

## Permissions and access

### Permissions

- `activeTab`
- `storage`
- `clipboardWrite`
- `tabs`

### Host permissions

- `*://*.marketingcloudapis.com/*`
- `*://*.exacttarget.com/*`
- `*://*.marketingcloudapps.com/*`

### Content script matches

- `*.exacttarget.com`
- `*.marketingcloudapps.com`

## Safety

- **Risk impact:** High risk impact
- **Risk likelihood:** High risk likelihood

### Analysis details

- Grants access to browser tabs, which can be used to track user browsing habits and history, presenting a privacy concern.
- 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/sfmc-helper)