AI Powered Alt-Text For Webflow - Supersonic

About

AI Powered Alt-Text For Webflow integrates OpenAI’s vision-enabled GPT-4 right into your Webflow Designer. With a single click, you’ll get concise, accurate, keyword-rich alt text—perfect for accessibility and SEO—without ever leaving your design panel.

Key features

One-click AI generation
Double-click any image in the Webflow Designer and hit Generate & Fill Alt Text to inject a description under 125 characters.

Vision-enabled GPT-4 support
Leverages OpenAI’s image-aware Chat API to “see” your image and craft natural-language alt text.

Built for Webflow
Works smoothly on *.webflow.com/design/* and *.design.webflow.com/*—no extra setup.

Local API key storage
Your OpenAI key stays secure in chrome.storage.local. We don’t collect or store it anywhere else.

Lightweight & fast
Minimal permissions (scripting, storage), no trackers or bloat.

Privacy-first
Image URLs and requests go directly to OpenAI; we never log your data on our servers.

How it works

Click the Supersonic logo in your Chrome toolbar to open the popup.

Open Settings and paste your OpenAI API key.

In the Webflow Designer, double-click an image to open its settings.

Click Generate & Fill Alt Text—watch GPT-4 draft your description and auto-inject it into the Alt Text field.

Why you’ll love it

Save time—no more guessing or writer’s block.

Boost SEO & accessibility—every image gets a tailored, keyword-rich description.

Stay in flow—all within Webflow’s UI, no context-switching required.

Requirements

Chrome (v95+)

An OpenAI API key (GPT-4 or GPT-4o enabled)

Ready to supercharge your Webflow workflow? Install AI Powered Alt-Text For Webflow now and watch your image SEO—and accessibility—soar!