27 + DevTools tools and resources

Discover the top picks to maximize your productivity with the best utilities and apps. Our collection features utilities and apps for working with Pdf, Json, Shell, Git and much more...

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Modify HTTP request headers, response headers, and redirect URLs

WindedFree

An online tool to test responsive layouts that lets you view multiple device sizes simultaneously, just enter a URL to test.

Kanboard is a free and open source Kanban project management software

The missing Chrome Devtools Element Selector

Receive SMS Online - 100% Free

ZealFree

An offline documentation browser for software developers and testers.

A user-friendly network monitoring tool, built with Rust, to help you easily keep track of your Internet traffic.

YATTIEFree

A tool to help testers test by supporting the entire process of exploratory testing, from gathering evidence to generating test reports.

FirecampFree with Paid Option

Firecamp is multi protocol API platform for Developers.

A Java library for processing media data. Supported media formats include still images, video, audio and meta-data.

Snipclip's free recorder works in your browser. No signup, installs, or setup required.

This extension supports full jest features in vscode environment to make testing more intuitive and fun.

Thunder Client is a lightweight Rest API Client Extension for Visual Studio Code

ezyFree

GUI client for gRPC/gRPC-Web

A light-weight screenshot software tool for Windows.

Web CSV Generator is a web-based random CSV data generator written in JavaScript. It allows to generate CSV files.

Library that provides an API to replay and stringify recordings created using Chrome DevTools Recorder

Session replay for delightful products

vcrpyFree

Automatically mock your HTTP interactions to simplify and speed up testing

ConEmuFree

ConEmu starts a console program in a hidden console window, and provides an alternative customizable GUI window with various features

nixtyFree

A Unix/Linux CLI tool that open files related to your Git workflow on VS Code.

Scan git repos (or files) for secrets using regex and entropy 🔑

'Can I use' provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

A CSS stylesheet to quickly highlight a11y concerns.

Code Generator for HTTP Requests

Scanning tool that audits SEO, performance and other web best practices