Best Developer Tools Chrome Extensions

React Developer Tools

Developer Tools

Free

Inspect React component trees, props and state.

Meta Ads Data Advisor

Developer Tools

Free

Meta Ads Data Advisor automates connecting your website and marketing data to Meta for better ad performance. No developers needed.

Wappalyzer

Developer Tools

Freemium

Identifies the technology stack behind any website.

Tag Assistant

Developer Tools

Free

The Tag Assistant extension works with Tag Assistant to help troubleshoot installation of gtag.js and Google Tag Manager.

Take Webpage Screenshots Entirely - FireShot

Developer Tools

Free

Take FULL webpage screenshots. Capture, edit and save them to PDF/JPEG/GIF/PNG, upload, print, send to OneNote, clipboard or email.

JSON Formatter

Developer Tools

Free

Makes raw JSON responses readable in the browser.

Chromebook Recovery Utility

Developer Tools

Free

Create recovery media for your Chromebook.

Cookie-Editor

Developer Tools

Free

Simple yet powerful Cookie Editor that allow you to quickly create, edit and delete cookies without leaving your tab.

Lighthouse

Developer Tools

Free

Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.

Auto Refresh Plus | Page Monitor

Developer Tools

Free

Refresh the page automatically with powerful page monitor features.

User-Agent Switcher for Chrome

Developer Tools

Free

Spoofs & Mimics User-Agent strings.

Instant Data Scraper

Developer Tools

Free

Instant Data Scraper extracts data from web pages and exports it as Excel or CSV files

Redux DevTools

Developer Tools

Free

Redux DevTools for debugging application's state changes.

Web Developer

Developer Tools

Free

Adds a toolbar button with various web developer tools.

Vue.js devtools

Developer Tools

Free

DevTools browser extension for Vue.js

Web Scraper

Developer Tools

Freemium

Point-and-click scraper that exports site data to CSV.

Color Picker for Chrome™

Developer Tools

Free

HEX, RGB Color picker, Advanched Eyedropper, Find color code on any page

WAVE Evaluation Tool

Developer Tools

Free

Evaluate web accessibility within your browser.

Talend API Tester - Free Edition

Developer Tools

Free

Visually interact with REST, SOAP and HTTP APIs.

Google Analytics Debugger

Developer Tools

Free

Prints useful information to the JavaScript console by enabling the debug version of the Google Analytics Javascript.

Lightning Autofill

Developer Tools

Freemium

The most popular autofill extension, boosting productivity since 2010.

CSS Peeper

Developer Tools

Freemium

Inspect website styles in seconds. Supercharge your workflow, and save hours of work.

User-Agent Switcher and Manager

Developer Tools

Free

Spoof websites trying to gather information about your web navigation to deliver distinct content you may not want

axe DevTools - Web Accessibility Testing

Developer Tools

Free

Accessibility Checker for Developers, Testers, and Designers in Chrome

Save All Resources

Developer Tools

Free

Save all resources files with retaining folder structure.

Font Finder

Developer Tools

Free

An easy-to-use font inspector to get CSS styles of the selected element

Distill Web Monitor

Developer Tools

Free

Monitor webpage or feed for changes. Get SMS and email alerts on change detection.

Requestly: Intercept & Modify HTTP Requests

Developer Tools

Freemium

Intercept & modify HTTP(S) traffic: redirect URLs, modify headers, inject scripts, mock REST & GraphQL APIs, and more.

Certificate Enrollment for ChromeOS

Developer Tools

Free

Request a certificate for your device.

Data Scraper - Easy Web Scraping

Developer Tools

Freemium

Data Scraper extracts data out of HTML web pages and imports it into Microsoft Excel spreadsheets

JSON Viewer Pro

Developer Tools

Free

A powerful JSON viewer and formatter that offers advanced features for developers and data analysts to visualise and analyse JSON

Helperbird: Accessibility & Productivity App

Developer Tools

Freemium

Improve your reading, writing & accessibility. Including Immersive Reader, Summarize, Dyslexia support and more.

Follower Export Tool

Developer Tools

Freemium

Export follower and following lists to CSV in one click.

Save Page WE

Developer Tools

Free

Save a complete web page (as curently displayed) as a single HTML file that can be opened in any browser.

User JavaScript and CSS

Developer Tools

Free

User JavaScript and CSS on any website

RingCentral for Google

Developer Tools

Free

For organizations powered by Google Chrome, Workspace and ChromeOS, the browser is the primary engine of productivity. However,…

Automa

Developer Tools

Free

From auto-fill forms, doing a repetitive task, taking a screenshot, to scraping data of the website, it's up to you what you want…

WA Sender - Bulk Messages & Automation

Developer Tools

Free

Send personalized bulk messages, schedule campaigns, reuse templates and manage contacts directly in WA Web.

Pinterest Tag Helper

Developer Tools

Free

A tool to help you build, troubleshoot and test your Pinterest Tags.

JSON Viewer

Developer Tools

Free

Validates and makes JSON documents easy to read. Open source.

IP Domain Country Flag

Developer Tools

Free

Shows country flag and other IP / domain information in the location bar.

JSON-handle

Developer Tools

Free

It's a browser and editor for JSON document.You can get a beautiful view. And transcoding Unicode Base64 URL with decode & encode.

Ultimate Web Scraper

Developer Tools

Freemium

Extract data instantly: Grab text, images, emails & links from any website with a single click. Fast, simple & powerful web scraper

Accessibility Insights for Web

Developer Tools

Free

Accessibility Insights for Web helps developers quickly find and fix accessibility issues.

Analytics Debugger

Developer Tools

Free

Your Single Source of Truth (SSOT) for debugging analytics implementations

Axiom Browser Automation for Humans & AI

Developer Tools

Freemium

Build bots with no-code, code them, or describe them to Claude. Axiom runs on our cloud or your machine.

Export Chrome History

Developer Tools

Free

Export your Chrome History as an Excel-readable CSV file or as a JSON file.

UET Tag Helper (by Microsoft Advertising)

Developer Tools

Free

This extension helps to identify issues in Microsoft Advertising UET tags

SN Utils - Tools for ServiceNow

Developer Tools

Freemium

Productivity tools for ServiceNow, offered by SN Utils B.V. Not affiliated with ServiceNow, Inc.

AutoFill Forms

Developer Tools

Free

One-click form filler that supports multiple profiles and regular expression rules

Auto Refresh & Page Monitor

Developer Tools

Free

Refresh pages automatically. Auto refresh and page monitor with specified time intervals. Reload all tabs.

CRX Extractor/Downloader

Developer Tools

Free

Download CRX Files directly as crx or zip file depending upon your choice

Spoof Geolocation

Developer Tools

Free

Rewrites the browser's geolocation coordinates (latitude and longitude) to custom values.

Designer Tools

Developer Tools

Freemium

A collection of tools to help you design and develop websites with precision.

Automation 360

Developer Tools

Free

Automation 360 extension to automate web applications in Google Chrome (MV3).

Wildix Collaboration

Developer Tools

Free

Add quick access to Wildix Collaboration, requires a Wildix UC System to be used, more info at http://www.wildix.com

Flow Automation - Auto Flow on Google Flow

Developer Tools

Freemium

Auto Flow your prompts at scale. Batch generate and auto-download videos and images on Google Flow.

Hide My IP

Developer Tools

Free

Hide Your IP Address for Free!

Smart Auto Refresh

Developer Tools

Free

Smart auto refresh extension automatically refreshes web pages on a selected time interval

JSONView

Developer Tools

Free

View JSON documents in the browser.