Bluesky Alt Text Generator

Name: Bluesky Alt Text Generator
Author: symmetricalboy

Uses Gemini to automatically generate alt text for images and videos you post on Bluesky.

As of May 2026, Bluesky Alt Text Generator has 28 users in the Social & Communication category.

symmetricalboy Social & Communication

Chrome Web Store ↗.crx

Users+3.7%

Rating0%

—

— reviews

Reviews0%

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Version

0.3.1

Manifest V3

History

4 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	27	—	—	0.3.1
Apr 21, 2026	29	—	—	0.3.1
May 6, 2026	31	—	—	0.3.1
May 18, 2026	33	—	—	0.3.1
Now	28	—	—	0.3.1

Permissions & access

Permissions: None declared
Host access: *://*.bsky.app/*, https://us-central1-symm-gemini.cloudfunctions.net/*

Screenshots

About

Make your posts more accessible, using the power of Google Gemini AI to write accurate, detailed, & helpful alt text for you, with a single click!

This browser extension helps you generate detailed, accessible alt text for images and videos you add to posts on Bluesky, using Google Gemini AI.

Once installed, the extension is active on bsky.app.
When you upload an image or video and open the alt text input field (usually by clicking "ALT" or a similar button on the media preview), you will see a ✨ icon appear next to the text area.
Click this icon to generate alt text based on the media.
Review: Always review the generated alt text before posting! AI can make mistakes. The generated text will appear in the input field, and a toast notification will confirm success or report errors.

- No setup required! Just install & start using your new, sparkly "Generate alt text" button whenever you post on bsky.app!
- This extension is 100% free & open source, for all, forever!
- Your images are NOT used to train Gemini for Google, & they are NOT stored by us or Google after generating alt text for you!