AlphaMoatによると、2026-09時点でChrome拡張機能AltVisionのユーザー数は10で、10,223件のAIブラウザ拡張機能中9,831位、汎用AIでは2,615件中2,525位です。
AltVisionとは
Generate context-aware alt text for images with AI. Built for screen reader users. WCAG 2.1 AA. Generous free tier. AltVision helps make the web more accessible by generating high-quality, context-aware alt text for images using AI, and comes with a generous free tier.
Install it to:
Add meaningful alt text to images for screen readers and accessibility tools Improve accessibility on sites that are missing alt text Generate alt text quickly without leaving the page AltVision is built to be keyboard- and screen-reader-friendly and supports multiple languages.
拡張機能の情報
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+ 比較データ月：2026-09 · ユーザー数と評価はChromeウェブストアの公開データを月単位で集計したものです。詳しくはデータの方法論をご覧ください。