The Intelligent
Firefox Add-ons for Alt Text.
Right-click any image to generate AI-powered alt text instantly. Improve accessibility and SEO without switching tabs or copying images.
✓ 50 Credits/Month Free • No Credit Card • 5 Min Setup
Features for Professionals
One-Click ALT Text Generation
Generate AI-powered ALT text for any image on any website with a single right-click. Instantly create descriptive, SEO-friendly, and WCAG-compliant image descriptions without leaving the page.
Browser Context Menu Integration
Simply right-click an image and select “Generate ALT Text” to analyze and
describe images directly within your browser. No downloads, uploads, or
tab switching required.
SEO & Accessibility Optimized
Create ALT text that improves search engine visibility while supporting
accessibility standards such as WCAG compliance, helping make websites more inclusive and discoverable.
Multi-Language ALT Text Generation
Generate ALT text in multiple languages to support international websites, multilingual content teams, and global audiences with accurate language-specific descriptions.
Works on Any Website
Generate ALT text for images across eCommerce stores, blogs, CMS platforms, social media, marketing pages, and virtually any website viewed
in Chrome or Firefox.
Secure API-Based Processing
Connect your AutoAlt.ai API key to generate ALT text securely. No complex
setup required—simply add your API key and start generating descriptions
instantly.
+22% More Traffic from Google Image Search
Firefox extension websites with optimized alt texts rank better in image search – that’s over 20% of web traffic. Our AI integrates keywords naturally, without keyword stuffing.
ADA & EAA Compliant
The European Accessibility Act (EAA) has been in effect since June 28, 2025 in all EU countries. In the USA, ADA lawsuits threaten (4,500+ in 2024). For government and public institutions, BITV 2.0 also applies. With AutoAlt.ai, you’re compliant everywhere.
Installed in Less Than 1 Minute
1. Install the Extension
Download the AutoAlt.ai Firefox Extension from the Mozilla Web Store and click Add to Firefox. Once installed, the AutoAlt.ai icon will appear in your browser toolbar.
2. Open the Add-on
Click the AutoAlt.ai extension icon in your Firefox toolbar. The extension popup will open, allowing you to connect your AutoAlt.ai account.
3. Enter Your API Key
Paste your AutoAlt.ai API key into the extension settings and click Save. Don’t have an API key? Create a free AutoAlt.ai account to get started.
4. Generate ALT Text Anywhere
Right-click any image on any website and select Generate ALT Text with AutoAlt.ai. The extension will instantly create SEO-friendly, WCAG-compliant ALT text for the selected image.
5. Copy & Use
Review the generated ALT text and copy it with one click. Use it in your CMS, eCommerce platform, website, or marketing content to improve accessibility and SEO.
Compatible with Your Stack
What Firefox Users Say
AutoAlt.ai has become an essential part of our content workflow. It generates accurate alt text in seconds, supports multiple languages, and helps us improve both accessibility and SEO with minimal effort.
As an educator, I rely on clear image descriptions for accessible learning materials. AutoAlt.ai saves me hours every week by creating accurate alt text that helps all students engage with visual content.
The extension is incredibly easy to use. With a simple right-click, I get high-quality alt text for images across any website. It’s a huge productivity boost for our marketing team.
Setup took less than a minute, and everything worked perfectly from the start. The generated alt text is accurate, consistent, and has significantly streamlined our accessibility efforts.
Transparent AI Processing
For alt text generation, we use leading AI models from OpenAI and Google (Gemini). Only image data is transmitted – no personal data, no EXIF metadata, no user data. webAufstieg GmbH as German contract partner provides a DPA on request.
Start Free
The Firefox Add-ons is free to install. Get 50 credits/month free – forever. No credit card required.
Frequently Asked Questions About the Firefox extension
The AutoAlt.ai Firefox Extension helps you generate AI-powered alt text for images directly from your browser, improving website accessibility and SEO.
Simply right-click any image on a webpage and select “Generate Alt Text with AutoAlt.ai.” The extension analyzes the image and creates a descriptive alt text in seconds.
Yes. You need an AutoAlt.ai account and API key to use the extension’s AI-powered image analysis and alt text generation features.
Yes. The extension works on most websites and allows you to generate alt text for publicly accessible images directly from your browser.
Yes. AutoAlt.ai generates descriptive alt text designed to improve image accessibility while supporting SEO best practices.
Yes. You can generate alt text in multiple languages, making it ideal for multilingual websites and international content teams.
The extension is designed to create meaningful image descriptions that support accessibility standards and WCAG compliance efforts.
Yes. You can review, copy, and modify the generated alt text before using it on your website or content platform.
Yes. Image analysis is processed securely through your AutoAlt.ai account and API connection. Your API key is stored securely within the extension.
AutoAlt.ai is available for Google Chrome and Mozilla Firefox, with a consistent experience across both browsers.
Ready for Better Alt Texts in Firefox extension ?
Start free now – 50 credits/month, no credit card.