Gripper - DevTools for Designers Firefox

Gripper - DevTools for Designers

By: isboyjc
A powerful browser extension for developers and designers. Inspect elements, pick colors, analyze typography, and export assets.

Features & Capabilities

Gripper - Your Essential DevTools Companion

Gripper is a powerful browser extension designed for developers and designers, integrating multiple practical web design and development features to make your work more efficient.

✨ Core Features

🎯 Element Inspector Click any element to view detailed CSS properties, real-time display of element dimensions, position, and computed styles, with parent/child element navigation support.

🎨 Color Picker Pick colors from anywhere on the page, magnified preview for precise pixel color selection, auto-copy color values to clipboard (supports HEX, RGB, HSL formats).

📸 Screenshot Tool Capture screenshots of any element, customizable watermark and timestamp, optional grid overlay, one-click export of high-quality screenshots.

🔤 Typography Analysis Analyze detailed font information on pages, display font family, size, weight, line height, and letter spacing, quickly understand page typography design.

📐 Box Model Viewer Visualize element margin, border, padding, and content, interactive display for clear layout understanding, help understand CSS box model.

📦 Asset Export One-click export of images and SVGs from pages, batch export functionality for improved efficiency, maintain original quality.

🔍 Element Search Search elements by tag, class, or ID, keyboard navigation support for quick positioning, highlight matching results.

📋 Side Panel View detailed element information in browser side panel, doesn't obstruct page content for smoother workflow.

⌨️ Keyboard Shortcuts

  • V - Toggle Inspector Mode
  • I - Color Picker
  • F - Element Search
  • S - Toggle Side Panel
  • A - Inspect All Elements
  • ↑/↓ - Select Parent/Child Element
  • P - Pause/Resume
  • Esc - Close Extension

🌙 Theme Support Auto-detect system theme preference, manual dark/light mode toggle, eye-friendly design for extended use.

🌍 Multi-language Support Full support for English and Chinese (Simplified), auto-detect browser language settings, manual language switch in settings.

🔒 Per-Tab State Each browser tab has independent extension state, allowing seamless switching between different pages.

💪 Modern Technology Built with React 19, TypeScript, and Tailwind CSS v4 for excellent performance and smooth experience.

User Growth & Download Statistics

Manifest V3 Add-on
By:
isboyjc
Daily users:
3
Version:
1.0.4 Last updated: 2026-01-05
Version code:
6113623
Creation date:
2025-12-31
Risk:
Moderate risk impact Moderate risk likelihood
Permissions:
Host permissions:
  • <all_urls>
Content scripts matches:
  • <all_urls>
Size:
3.23MB
Email:
is*****@gmail.com
URLs:
Website
Full description:
See detailed description
Source:
Firefox Add-ons Store
Data ingested on:
2026-06-20
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Firefox add-on. Please use these information below to contact the Firefox add-on developer.
Developed by:
isboyjc
Firefox Add-ons Store
https://addons.mozilla.org/firefox/addon/gripper-devtools-for-designers/
Email:
is*****@gmail.com
Website:
https://gripper.isboyjc.com

Is Gripper - DevTools for Designers Safe?

Risk impact
Risk impact measures the level of extra permissions an extension has access to. A low risk impact extension cannot do much harms, whereas a high risk impact extension can do a lot of damage like stealing your password, bypassing your security settings, and accessing your personal data. High risk impact extensions are not necessarily malicious. However, if they do turn malicious, they can be very harmful.

Gripper - DevTools for Designers requires a few sensitive permissions. Exercise caution before installing.

Risk impact analysis details
  • Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
  • Medium ****** ********** ** ******** ********** *** ********* ******* ******** ****** ******** ****** ********
Risk likelihood
Risk likelihood measures the probability that a Firefox add-on may turn malicious. This is determined by the publisher and the Firefox add-on reputation on Firefox Add-ons Store, the amount of time the Firefox add-on has been around, and other signals about the Firefox add-on. Our algorithms are not perfect, and are subject to change as we discover new ways to detect malicious extensions. We recommend that you always exercise caution when installing a Firefox add-on.

Gripper - DevTools for Designers is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details
  • High This extension has low user count. Unpopular extensions may not be stable or safe.
  • Medium **** ********* *** ***** ** *** **** * ******* *** ********** *** *** ** ****** ** *****
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
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