How to Add Alt Text to Images with Chrome ExtensionChrome extension logo

Alt Text Generator AI Chrome Extension - Complete Tutorial

Right-click

Alt text for any image

Bulk

Scan a whole page

130+

Languages

History

Your last 50 results

WCAG

& ADA compliant

Alt Text Generator AI Chrome Extension automatically generates descriptive alt text for any image on the web using AI to help you rank faster and improve accessibility right from your browser. Right-click an image, or scan a whole page and generate alt text in bulk, in more than 130 languages.

What you get:

  • Alt text for any image on the web with a right-click
  • Bulk alt text generation: scan a page, select images and generate
  • 130+ languages, defaulting to your browser language
  • Copy as text or as a ready-to-paste alt attribute
  • History of your last 50 results and a keyboard shortcut
  • WCAG & ADA compliant alt text
  • Support for JPEG, PNG, GIF, WebP, AVIF and SVG images

Follow this step-by-step tutorial to add alt text to your images from your browser.

1

Install the Extension

  1. Go to the Chrome Web Store
  2. Search for "Alt Text Generator AI"
  3. Click on Alt Text Generator AI
  4. Click "Add to Chrome"
  5. Confirm by clicking "Add extension"
Alternatively, install directly from the Chrome Web Store.
Chrome extension installation step 1
2

Get Your API Key

  1. Create an account on AltTextGeneratorAI.com
  2. Go to your dashboard
  3. Copy your unique API key

⚠️Your API key is unique to your account. Keep it secure.

Chrome extension API key step 2
3

Configure the Extension

  1. Click the extensions icon in the top-right corner of Chrome
  2. Click on Alt Text Generator AI
  3. Paste your API key in the API key field
  4. Pick your Language from the list of 130+ languages
  5. Optional: keep Copy alt text automatically after generating checked
  6. Click Save

✅Done! Your extension is now ready to use.

Alt Text Generator AI extension popup with the language list open
4

Generate Alt Text

  1. Navigate to any image on the web
  2. Right-click on the image
  3. Click on "Generate Alt Text"
  4. Done! Alt text appears on your screen and is copied for you

💡Prefer the keyboard? Hover an image and press Option + Shift + A (Alt + Shift + A on Windows).

Right-click an image and choose Generate Alt TextGenerated alt text shown on the page with a Copy button
5

Bulk Alt Text Generation

  1. Open any page and click the extension icon
  2. Open the Scan page tab and click Scan this page
  3. Check the images you want. Images with no alt text are listed
  4. Click Generate selected and watch the alt text appear

💡Each image uses 1 credit. Keep the popup open while it runs.

Scan page tab listing images with no alt text and the generated alt text
6

Find Your Results in History

  1. Open the History tab
  2. See your last 50 results, with a thumbnail of each image
  3. Click Copy for the alt text, or Copy HTML for a ready-to-paste alt attribute

💡Your history is saved in your browser and never leaves your computer.

History tab with saved alt text, thumbnails and copy buttons

Extension Features

Alt Text Generator Chrome Extension automatically generates descriptive alt text for images using AI to help you rank faster and improve accessibility right from your browser.

🖱️

Right-Click to Generate

Simply right-click on any image and select "Generate Alt Text". Alt text appears instantly on your screen.

⚡

Instant Results

Get AI-generated alt text in seconds. No waiting, no complex setup—just point, click, and copy.

🚀

Easy to Set Up

Install from Chrome Web Store, paste your API key, and you're ready. Setup takes about 2 minutes.

🎁

Free Credits

Get 2 free credits upon sign up to test the extension before committing to a plan.

🖼️

All Image Types

Works with JPEG, PNG, GIF, WebP, AVIF and SVG images. If you can right-click it, you can generate alt text for it.

🌍

130+ Languages

Generate alt text in English, Spanish, French, German, Chinese, Japanese, Arabic, and 120+ more languages. The default follows your browser language.

🌐

Works Anywhere

Use it on any website—social media, e-commerce, news sites, anywhere you browse with Chrome.

📋

Easy Copy

Alt text is copied for you automatically. Copy it again as text, or as a ready-to-paste alt attribute, and use it in your CMS, code or documents.

♿

Accessibility Focused

Generated alt text is descriptive and accessible, helping improve web accessibility for screen reader users.

📦

Bulk Alt Text Generation

Scan a page, select the images that have no alt text and generate alt text for all of them in one go.

🕘

History

Your last 50 results are saved in your browser, with thumbnails, so you can copy them again any time.

⌨️

Keyboard Shortcut

Hover an image and press Option + Shift + A to generate alt text. You can change the shortcut in Chrome.

Why Use a Chrome Extension?

❌ Without the Extension

  • •Download image, upload to a separate tool, copy the result
  • •Switch between multiple browser tabs
  • •Lose context while writing alt text
  • •Time-consuming workflow for each image

✅ With Alt Text Generator Extension

  • •Right-click any image, get alt text instantly
  • •Stay on the same page—no context switching
  • •Generate alt text while you browse
  • •Copy and paste in seconds

Chrome Extension FAQs

What is the Alt Text Generator AI Chrome Extension?

It's a browser extension that lets you generate AI-powered alt text for any image on the web with a simple right-click. Perfect for content creators, developers, and anyone who needs descriptive image alt text.

How do I install the extension?

Go to the Chrome Web Store, search for "Alt Text Generator AI", click "Add to Chrome", then configure your API key from AltTextGeneratorAI.com.

Do I need an account to use it?

Yes, you need a free account at AltTextGeneratorAI.com to get your API key. Sign up takes less than a minute and you get 2 free credits to try it out.

How do I generate alt text for an image?

Simply right-click on any image while browsing, click "Generate Alt Text" from the context menu, and the AI-generated description will appear on your screen ready to copy.

What image formats are supported?

The extension supports JPEG, PNG, GIF, WebP, AVIF and SVG images. If you can see it in your browser, you can generate alt text for it. On a few sites, SVG and AVIF images may need to be opened in their own tab first.

What languages are supported?

We support 130+ languages, including English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Chinese, Japanese, Korean, Arabic, Hindi, Turkish, Greek, Hebrew and many more. Pick your language in the extension popup.

Do I get free credits?

Yes! You get 2 free credits when you sign up at AltTextGeneratorAI.com. This lets you test the extension before choosing a plan.

Does it work on all websites?

Yes, the extension works on virtually any website you visit with Chrome. Social media, e-commerce, news sites, blogs—anywhere images are displayed.

Where can I see the generated alt text?

The alt text appears in a notification in the top-right corner of your screen and is copied for you. Open the extension and go to the History tab to see your last 50 results.

Can I generate alt text for a whole page?

Yes. Open the Scan page tab, click Scan this page, select the images with no alt text and click Generate selected. Each image uses 1 credit.

Is there a keyboard shortcut?

Yes. Hover an image and press Option + Shift + A (Alt + Shift + A on Windows). You can change it at chrome://extensions/shortcuts.

Is it available for Firefox and Edge?

Yes. See the Firefox add-on and the Microsoft Edge add-on.

Is my data secure?

Yes. We only process the images you choose, or the ones you select when you scan a page. Your browsing data is never accessed, and your settings and history stay in your browser. Read our Terms of Service for more details.

🚀

Ready to Get Started?

Install the Chrome extension and start generating alt text instantly. Get 2 free credits on sign up!