# Developer ToolBox

> Multi purpose all-in-one developer toolbox.

Canonical page: [https://chrome-stats.com/d/developer-toolbox?hl=ko](https://chrome-stats.com/d/developer-toolbox?hl=ko)

## Overview

- **ID:** `developer-toolbox`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** chaitanya
- **Category:** web-development,privacy-security,tabs
- **Version:** 1.0.3
- **Last updated:** 2026-09-22
- **First published:** 2026-09-19
- **Size:** 194 KB
- **Data as of:** 2026-09-26
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/developer-toolbox/)

## Description

ToolBox Pro — Developer Tools

Seven essential developer tools in one click — right from your browser toolbar. Stop juggling a dozen sketchy single-purpose sites. ToolBox Pro packs the utilities you use every day into one fast, clean, privacy-first popup. No ads, no sign-ups, and nothing ever leaves your device.

━━━━━━━━━━━━━━━━━  WHAT'S INSIDE━━━━━━━━━━━━━━━━━━

JSON Formatter & Validator — Beautify, minify, validate, and sort JSON. Clear error messages with line numbers, plus a collapsible tree view for large responses.
Password Generator — Create strong, random passwords with adjustable length, character-set toggles, and a live strength meter.
Word & Character Counter — Real-time counts for words, characters, sentences, paragraphs, and estimated reading time.
Base64 Encoder / Decoder — Convert text ↔ Base64 with full Unicode support. One-click swap and copy.
URL Encoder / Decoder — Encode or decode URLs and query strings, with a toggle for full-component vs. whole-URL encoding.
Diff Checker — Compare two texts side by side and highlight every difference.
HTML Stripper — Strip tags to extract clean plain text, with options to preserve line breaks and decode entities.
━━━━━━━━━━━━━━━━━ WHY TOOLBOX PRO ━━━━━━━━━━━━━━━━━

✓100% private — everything runs locally; your data is never uploaded or logged ✓ No ads, no trackers, no account required ✓ Lightning fast with one-click copy everywhere ✓ Clean, modern dark UI with a friendly welcome screen ✓ Works offline — no internet needed for most tools ✓ Compatible with Chrome, Edge, Brave, and other Chromium browsers

Whether you're a developer debugging an API, a QA engineer, a writer, or a student, ToolBox Pro keeps your most-used utilities one click away.

Install now and streamline your workflow!

## Rankings

- #142,177 — Overall
- #115 — developer tools
- #150 — developer

## Permissions and access

### Permissions

- `clipboardWrite`
- `tabs`

## Safety

- **Risk impact:** Moderate 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 was recently updated in the past month. New updates 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/developer-toolbox?hl=ko)