4 Chrome Extensions Every Developer Needs in 2025

Introduction

As web developers, our browser is our primary workspace, and the right extensions can transform how we code, test, and browse. These four Chrome extensions solve real problems that developers face daily — from testing responsive layouts to saving video timestamps for learning, blocking distracting ads, and improving grammar in documentation.​

Each of these tools is free, easy to install, and designed to make your workflow smoother without slowing down your browser.

1. Window Resizer — Test Responsive Design Instantly

Download: https://chromewebstore.google.com/detail/clpflmgfapbjmlbajbkgadjjlbgaidgb

Window Resizer eliminates the guesswork from responsive design testing by letting you resize your browser to exact dimensions with one click. Instead of manually dragging windows and estimating viewport sizes, this extension provides preset resolutions for phones, tablets, and desktops, plus the ability to create custom presets for your specific breakpoints.​

Why developers love it:

• Test at precise pixel dimensions (320px, 768px, 1024px, 1920px) instantly​
• Customize and save your most-used screen sizes for faster testing​
• Apply sizing to the entire window or just the viewport area​
• Debug CSS media queries with accurate viewport measurements​

This is essential for anyone building responsive websites who needs to verify how layouts adapt across different devices without manually resizing or using browser DevTools constantly.

2. AdBlock Plus — Focus Without Distractions

Download: https://chromewebstore.google.com/detail/ijhioehnbkllpelkfgjhdppoanhmphfc

AdBlock Plus is the most popular ad blocker with over 500 million downloads, helping developers maintain focus by blocking pop-ups, video ads, banners, and intrusive tracking. When you’re researching documentation, reading Stack Overflow, or watching YouTube tutorials, ads break your concentration and waste time.​

Key features:

• Blocks annoying ads including YouTube pre-rolls and mid-video interruptions​
• Reduces third-party tracking to keep your browsing more private​
• Protects against malicious ads containing viruses or phishing attempts​
• Customizable settings to whitelist specific sites you want to support​
• Works immediately after installation with optional “Acceptable Ads” feature​

The extension is fully compatible with Chrome’s latest security standards and never collects user information, prioritizing your privacy.​

3. YouTube Timestamp Saver — Never Lose Learning Moments

Download: https://chromewebstore.google.com/detail/ogchdkjjhoelgehjnpgdlfchbkdcfloo

For developers learning through YouTube tutorials, YouTube Timestamp Saver solves the frustrating problem of losing track of important moments in long videos. Instead of scrubbing through hours of content trying to find that one crucial explanation, you can bookmark exact timestamps with custom labels and search across all your saved moments.​

What makes it valuable:

• Bookmark key moments in any YouTube video with one click​
• Add custom names to each timestamp so you know exactly what it contains​
• Search through all your bookmarks across multiple videos instantly​
• Syncs with your Google account for access across devices​
• Keyboard shortcut (Ctrl+Shift+Q or ⌘+⇧+E) to quickly save timestamps​

This is particularly useful when following coding tutorials, conference talks, or technical explanations where you need to reference specific sections later while implementing the concepts in your own projects.​

4. Gramo — Polish Your Writing

Download: https://chromewebstore.google.com/detail/jabokopjemhpbppppnjccpbgnekkgnge

While specific details about Gramo weren’t available in search results, grammar and writing enhancement extensions are essential for developers who write documentation, README files, commit messages, code comments, and technical blog posts. These tools help ensure your written communication is clear, professional, and free of errors that could confuse collaborators or users.

Typical features in grammar extensions:

• Real-time spelling and grammar checking across all web text fields
• Style suggestions to make technical writing clearer
• Vocabulary enhancement for more precise language
• Works in GitHub, GitLab, Google Docs, email, and content management systems

Installation Made Easy

All four extensions install through the Chrome Web Store in seconds. For each extension:​

1. Click the download link provided above
2. Select Add to Chrome on the extension page
3. Review the permissions and click Add extension to confirm​
4. Pin the icon to your toolbar for quick access

Chrome displays exactly what permissions each extension needs before installation, ensuring you stay in control of what extensions can access.

4 Chrome Extensions Every Developer Needs in 2025 was originally published in Coinmonks on Medium, where people are continuing the conversation by highlighting and responding to this story.