Altly — AI Image Descriptions for Screen Readers

Adds clear, AI-written alt text to images on any website, so screen reader users know what every picture shows.

So many pictures on the web come without a description. Screen readers say “graphic” or read out a file name like “IMG_2041.jpg”. Altly fixes that. Altly finds images with missing or unhelpful alt text and writes a clear description with AI. It adds the description to the page, so your screen reader reads it like any other alt text — on news sites, shops, social media, web email, and everywhere else. There are no new commands to learn. WHAT ALTLY DOES • Describes images automatically as pages load, or only when you ask • Reads text inside images: screenshots, memes, signs, menus, and charts • Lets you ask follow-up questions: “What is the person wearing?” • Describes a whole page with one shortcut (Alt+Shift+P) • Describes a single image with Alt+Shift+D or the right-click menu • Writes descriptions in 18 languages • Optional large, high-contrast captions on hover for low-vision users • Skips decorative images and icons, and never overwrites good alt text FREE TO USE • Free with a Google Gemini key — a friendly setup guide gets you one in about a minute • Also works with OpenAI, Anthropic Claude, and local models (Ollama, LM Studio) • Prefer no setup? Altly Cloud: 7 days free with no card, then $4.99/month for 2,000 descriptions PRIVATE BY DESIGN • No tracking, no analytics, no ads • Images go only to the AI service you choose, only to describe them • Keys and settings stay in your browser • Turn Altly off for any site with one switch Works with NVDA, JAWS, VoiceOver, Narrator, and ChromeVox. AI descriptions can contain mistakes. Don’t rely on them for medical, legal, or safety decisions. Privacy policy: https://altly.app/privacy