Gemini Prompts for Web Developers (2025)

Google Gemini is more than a code assistant, it’s your AI pair programmer. Whether you’re debugging JavaScript, generating WordPress shortcodes, or optimizing a Joomla module, Gemini helps you move faster and code smarter.

With Gemini Code Assist, Gemini CLI, and the Gemini API for JavaScript, developers now have a powerful toolkit for building, testing, and documenting code across stacks.

If you have questions, want to share your own prompts, or need help integrating Gemini into your workflow, contact us here or leave a comment.

💻 Code Generation & Refactoring

Use Gemini to scaffold components, refactor legacy code, or generate boilerplate faster.

Task	Gemini Prompt
Generate a React component	“Create a responsive React component for a pricing table with 3 tiers.”
Refactor legacy PHP	“Refactor this PHP function to use modern syntax and improve readability.”
Convert JS to TypeScript	“Convert this JavaScript function to TypeScript with proper types.”
Generate HTML boilerplate	“Create a basic HTML5 template with meta tags, favicon, and responsive viewport.”
Build a REST API route	“Write an Express.js route for GET /users that returns JSON data.”

🐞 Debugging & Troubleshooting

Paste your error messages or broken code and let Gemini help you fix it.

Task	Gemini Prompt
Fix a JavaScript error	“Explain and fix this ‘undefined is not a function’ error in my JS code.”
Diagnose a WordPress plugin conflict	“Help me troubleshoot a plugin conflict causing a 500 error in WordPress.”
Resolve CORS issue	“Why am I getting a CORS error when calling this API from my frontend?”
Debug a Joomla module	“This Joomla module is not rendering on the homepage. What could be wrong?”
Explain a stack trace	“Explain this Node.js stack trace and suggest a fix.”

Regex & Shell Scripting

Let Gemini write or explain regular expressions and shell commands for you.

Task	Gemini Prompt
Write a regex	“Write a regex to match email addresses with .edu domains.”
Explain a regex	“Explain what this regex does: ^[A-Z0-9._%+-]+@[A-Z0-9.-]+\.[A-Z]{2,}$”
Create a shell script	“Write a bash script to back up a WordPress site and compress it.”
Find files by extension	“Give me a shell command to find all .js files in a directory recursively.”
Batch rename files	“Create a shell script to rename all .txt files to .md in a folder.”

Documentation & Comments

Use Gemini to generate docstrings, inline comments, or README content.

Task	Gemini Prompt
Generate a docstring	“Write a JSDoc comment for this async function that fetches user data.”
Add inline comments	“Add inline comments to this PHP function explaining each step.”
Summarize a file	“Summarize what this JavaScript file does in 3 bullet points.”
Write a README	“Create a README.md for this Node.js project with install and usage instructions.”
Explain a function	“Explain what this Joomla helper function does and where it might be used.”

Performance & Optimization

Ask Gemini to analyze, optimize, or rewrite code for speed and efficiency.

Task	Gemini Prompt
Optimize a loop	“Optimize this JavaScript loop for performance on large arrays.”
Analyze Lighthouse report	“Based on this Lighthouse output, what should I fix first to improve page load time?”
Optimize image delivery	“Suggest optimizations for faster image loading using modern formats.”
Minify scripts	“Give me a Gulp or Node.js script to minify CSS and JavaScript assets.”

WordPress Development

Use Gemini to write shortcodes, modify themes, or build admin options faster in WordPress.

Task	Gemini Prompt
Create a shortcode	“Generate a WordPress shortcode that outputs the latest 5 posts in a custom category.”
Modify functions.php	“Add code to functions.php to remove the WordPress version number.”
Build a custom plugin	“Scaffold a basic plugin that adds a dashboard widget showing current server time.”
Explain hook usage	“What’s the difference between add_action and add_filter in WordPress?”
Create an options page	“Build a WordPress admin options page with settings for Google Analytics ID.”

Joomla Development

Let Gemini help you build modules, understand templates, and automate Joomla workflows.

Task	Gemini Prompt
Create a basic module	“Write the basic XML and PHP structure for a Joomla 4 module that displays user info.”
Render module position	“How do I output a module position inside Joomla’s component view?”
Automate backups	“Make a script to backup Joomla database and public_html every 24 hours.”
Understand Joomla override	“Explain how to override article output in a Joomla template.”
List useful events/hooks	“Give me 5 Joomla plugin event hooks for content filtering.”

JavaScript & Frontend Tasks

Use Gemini to tackle DOM tasks, handle async logic, or prototype UI ideas with vanilla JS.

Task	Gemini Prompt
DOM selector logic	“Write JavaScript to toggle a class on every third item in a list.”
Handle async operations	“Show an example of using async/await with fetch to call an API.”
Use Gemini API client	“Generate a fetch-based Gemini API call with an authorization header.”
Debounce input listener	“Create a debounce function that limits how often input events trigger.”
Inject dynamic styles	“Write JavaScript to inject a CSS rule that changes button color on hover.”

📱 Mobile Tips for Developers

Even on the go, Gemini has your back:

• GitHub Mobile: Summarize or reply to issue threads with Gemini-generated comments.
• SSH or terminal apps: Use Gemini to suggest CLI flags and fix bash syntax fast.
• Gemini app: Ask Gemini to generate a code snippet or regex while reviewing PRs.
• Gmail on mobile: Let Gemini draft professional replies for client feedback.

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✨ More Gemini Prompt Packs

• Gemini Prompts for Students
• Gemini Prompts for Teachers & Professors
• Gemini Prompts for Social Media Marketers
• Gemini Prompts for Bloggers & Content Creators

Each guide includes tested prompts, real examples, and downloadable resources.

Bonus Tip: Need a Chromebook that runs local dev tools and Gemini smoothly? Check out our guide to the Best Chromebooks for Work.