Building a Chrome extension with AI for text analysis lets you select any text on a webpage and get instant insights: sentiment score, keyword extraction, readability grade, and a quick summary. On aidowith.me, the Chrome Extension route walks you through 14 steps to build this from scratch. You'll create a content script that captures selected text, a popup that displays results, and an AI integration that runs the analysis. The route covers manifest setup, DOM interaction, API connections, and result formatting. AI writes all the code while you decide which analysis features to include. No prior coding experience is needed. Each step explains what the code does and why. The full build takes about 4 hours. By the end, you'll have a working extension installed in Chrome that analyzes text on any page with one click, plus enough understanding to add new analysis features on your own.
Last updated: April 2026
The Problem and the Fix
Without a route
- You manually copy text into ChatGPT every time you need to analyze an article or email
- There's no quick way to check sentiment or pull keywords from a webpage without switching tabs
- Existing text analysis tools charge monthly fees for features you could build yourself
With aidowith.me
- One-click analysis on any webpage: sentiment, keywords, readability, and summaries
- Your own tool instead of paying monthly fees for features you use twice a day
- A working Chrome extension in 4 hours with zero prior coding experience
Who Builds This With AI
Founders
Move fast on pitches, pages, research. AI as your first hire.
Marketers
Content, campaigns, and briefs done in hours instead of days.
Sales & BizDev
Prep calls, draft outreach, research prospects in minutes.
How It Works
Set up the extension structure
Create the manifest, popup interface, and content script that captures selected text. AI generates the boilerplate while the route explains each file.
Connect AI for text analysis
Wire up an AI API to run sentiment scoring, keyword extraction, and summarization on captured text. You pick which features to include.
Polish the UI and install
Style the results popup, add loading states, and install the extension in Chrome. Test it on real articles and emails you work with daily.
Build your text analysis extension
14 steps. About 4 hours. Instant text analysis on any webpage, built by you.
Start This Route →What You Walk Away With
Set up the extension structure
Connect AI for text analysis
Polish the UI and install
A working Chrome extension in 4 hours with zero prior coding experience
"I analyze competitor content all day. Having sentiment and keyword extraction one click away changed my workflow completely."- Content strategist, digital marketing agency
Questions
Yes. AI generates all the code and the route explains each piece in plain language. You make decisions about features and design while the route handles the technical side. Many people with no programming background have completed this route and shipped working extensions.
The route builds sentiment scoring, keyword extraction, readability grading, and text summarization. You choose which features to include. The modular design means you can add more analysis types later. Each feature is a separate step so you can skip any you don't need.
It works on most websites. The content script captures any text you select, regardless of the site. Some sites with heavy security (banking, government) may block extensions from reading content. For typical use cases like articles, emails, reports, and social media posts, it works everywhere.