The plugin is aimed at sites with large image libraries, including e-commerce sites, blogs, and corporate websites.
Free plan Free trial Open source From $2.99 a month, billed yearly WebAPI
Best AI Alt Text Generators 2026
AI alt text generators create image descriptions, and the right fit can depend on how and where you publish. Compared on image formats and supported languages, the entries also let you consider bulk processing, API access, CMS plugins, and custom generation rules. Those details can help you compare a tool for occasional descriptions with one that may fit into a broader publishing workflow. Check free-plan availability and paid-from pricing as well. ALTtext.org, Seeing AI, and AltTextLab are among the named options, alongside AutoAlt.ai. Consider which publishing steps you want to support and whether integrations, language coverage, or control over generation are important for your use.
02
Altagonist
Altagonist suits WordPress site owners who want to generate alt text in batches or automatically on upload.
WebWindowsSelf-hosted Record5.7 Visit
03
ALTification
WebBrowser extension Record5.5 Visit
04
AltText.ai
WebBrowser extensionAPI Record5.5 Visit
05
ALTtext.org
It suits people who need image descriptions for accessibility in publishing or social workflows.
iPhone & iPadWebMac+1 Record5.5 Visit
6
Alt Text Pro
WebAPI $43.20 a year Record5.5 Visit Alt Text Pro suits WordPress site owners who want editable image alt-text drafts, including users working through existing media in bulk.
7
AutoAlt.ai
WebBrowser extensionAPI $4.49 a month Record5.5 Visit AutoAlt.ai suits site owners and commerce teams that need alt text in multiple languages or at scale.
8
Caseo
Web $9 one-time Record5.4 Visit Caseo suits Shopify merchants who need bulk alt text, metadata, or product-copy generation with review controls and multilingual output.
9
Alt Audit
WebAPI $5 a month Record5.2 Visit It suits accessibility consultants, SEO professionals, agencies, and WordPress teams that need image descriptions, site audits, or exported reports.
12
AltTextLab
WebBrowser extensionAPI $4 a month, billed yearly Record5.1 Visit It suits e-commerce teams, agencies, freelancers, solo creators, enterprises, nonprofits, and education organizations that need image descriptions.
14
AltTextAPI
WebAPI $9 a month Record5.0 Visit It suits site owners and content teams who need image descriptions through a website, API, or WordPress workflow.
15
Altvisor
Web €12 a month Record5.0 Visit Altvisor suits website owners and agencies or partners coordinating accessibility work across client sites.
18
ATaaS
WebAPI $79 a year Record4.7 Visit ATaaS suits developers and teams generating alt text through an API or web interface, including e-commerce teams using product context.
19
AltText.io
WebBrowser extensionAPI $19 a month Record4.6 Visit It suits content creators, developers, and businesses that need alt text or image metadata for websites and stock photography.
21
AltGen
WebAPI $29 a month Record4.5 Visit AltGen may suit individuals starting out, growing teams, and organizations that need image alt text in multiple languages.
22
AI Image Alt Text Generator
WebSelf-hosted Free plan Record4.3 Visit It suits WordPress site owners who want generated alt text during uploads, on demand, or in bulk.
23
Alta
Web $29 a year Record4.3 Visit It suits website publishers, accessibility teams, and creators preparing image descriptions.
24
AI Alt Text Generator
Web Free plan Record4.2 Visit It suits nonprofits, churches, schools, clinics, and small businesses working toward accessibility compliance with WordPress images.
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