Item logo image for AltSpark

AltSpark

Item media 4 (screenshot) for AltSpark
Item media 1 (screenshot) for AltSpark
Item media 2 (screenshot) for AltSpark
Item media 3 (screenshot) for AltSpark
Item media 4 (screenshot) for AltSpark
Item media 1 (screenshot) for AltSpark
Item media 1 (screenshot) for AltSpark
Item media 2 (screenshot) for AltSpark
Item media 3 (screenshot) for AltSpark
Item media 4 (screenshot) for AltSpark

Overview

Audit page copy for accessible text using Chrome on-device AI. No data leaves your browser.

AltSpark scans any page and fills accessibility gaps (missing alt text, vague "click here" links, and generic headings) using Chrome’s on-device AI. It’s private, fast, and reversible. Why AltSpark? Many pages still ship with images without alt text and unclear labels. AltSpark gives you clear, human-sounding descriptions in one click, and no data leaves your browser. What it fixes: 🖼 Images: generates descriptive, context-aware alt text. 🔗 Links: rewrites vague text (e.g., "Read more") into meaningful labels. 🧭 Headings: suggests clearer, scannable headings that improve page structure. How it works: - Scan: run an audit from the popup or Side Panel. - Quick Fix: apply safe fixes in one click. - Auto‑mode: automatically applies safe fixes as you browse (per‑site control). - Right‑click "Describe this image": get a copy‑ready alt description on demand. - Undo/Export: revert instantly or export findings for developers. Key features: ⚡ On-device AI (no cloud calls; works offline once available). 🌍 Language-aware: detects page language; can localize suggestions. 🧪 Preview & Undo before/after, plus optional Export of findings. 🧩 Works anywhere you browse — no site access or logins needed. Technical information: - Uses the new Chrome Built-in AI APIs. - Uses Gemini Nano multimodal functionalities.

Details

  • Version
    1.0.0
  • Updated
    October 22, 2025
  • Size
    92.53KiB
  • Languages
    English
  • Developer
    Email
    hicham.ch.dev@proton.me
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Related

Siteimprove Accessibility Checker

3.2

Jumpstart your web accessibility efforts directly in Chrome.

Make Chrome Text Black

4.0

Make text easier to read in Google Chrome

Esticra

4.4

Extract text from any part of your browser screen using Esticra OCR.

Chrome Screenshot

5.0

Use Chrome Screenshot: smart screenshot chrome extension! Capture, edit, save any page. Explore how to screenshot on chrome browser

Copy Paste History

5.0

Store your Copy Paste History in the browser clipboard viewer. See, find, and reuse copied text with this clipboard history manager.

Typingmind in Sidepanel

0.0

Use Typingmind in Chrome's sidepanel. Easy and convenient.

网页文本提取助手

0.0

一款智能的Chrome扩展,可以自动识别并提取网页中的主要文本内容,支持智能过滤和选择性提取,让您的网页阅读体验更简单

Disable Browser Shortcuts

2.3

Take control of your browsing experience with Disable Chrome Shortcuts

WeAccess Scan

5.0

Web pages accessibility testing Chrome extension

Web Inspector

4.6

Use Web Inspector tool as a CSS viewer and website inspector for any page. It is a browser plugin for google chrome inspect element.

Chrome MCP Server - AI Browser Control

0.0

Exposes browser capabilities with your own chrome

Chrome Toolkit - Export/Import

0.0

Export and import your browser history and bookmarks between Chromium-based browsers

Siteimprove Accessibility Checker

3.2

Jumpstart your web accessibility efforts directly in Chrome.

Make Chrome Text Black

4.0

Make text easier to read in Google Chrome

Esticra

4.4

Extract text from any part of your browser screen using Esticra OCR.

Chrome Screenshot

5.0

Use Chrome Screenshot: smart screenshot chrome extension! Capture, edit, save any page. Explore how to screenshot on chrome browser

Copy Paste History

5.0

Store your Copy Paste History in the browser clipboard viewer. See, find, and reuse copied text with this clipboard history manager.

Typingmind in Sidepanel

0.0

Use Typingmind in Chrome's sidepanel. Easy and convenient.

网页文本提取助手

0.0

一款智能的Chrome扩展,可以自动识别并提取网页中的主要文本内容,支持智能过滤和选择性提取,让您的网页阅读体验更简单

Disable Browser Shortcuts

2.3

Take control of your browsing experience with Disable Chrome Shortcuts

Google apps