AltText.ai vs AltTextLab
AltText.ai
alttext.ai
AltTextLab
alttextlab.comSide by side
| Figure | AltText.ai | AltTextLab |
|---|---|---|
| Price from | $4.08/mo | $4/mo |
| Free plan | — | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| API | Yes | Yes |
| Plans published | 8 | 5 |
| Spec score · AI Alt Text Generators | 8.1 (#8) | 8.1 (#9) |
| Browser extensions | Chrome and Firefox extensions generate alt text from images on the web, including sites such as Squarespace and Webflow. | AltTextLab lists Chrome, Firefox and Microsoft Edge browser extensions. |
| Bulk processing | The enterprise offering supports batch processing of thousands of images per hour with no daily limits. | The product supports bulk processing of image libraries, including batches of tens of thousands of product photos. |
| Developer access | Developers can generate alt text through a REST API, webhooks, and an MCP server. | The product offers a REST API, a one-line Web Snippet, and connectors including Google Tag Manager, Zapier, Make and Pipedream. |
| Integrations | Listed integrations include WordPress, Shopify, WooCommerce, Magento, BigCommerce, Contentful, DatoCMS, Storyblok, Cloudinary, Dropbox, Pinterest, and Google Drive. | Listed integrations include WordPress, Webflow, Craft CMS, Drupal, Shopify, WooCommerce, Magento, PrestaShop and Craft Commerce. |
| Languages | The service generates alt text in more than 130 languages. | AltTextLab says it supports more than 130 languages. |
| Purpose | AltText.ai generates context-aware image descriptions to support accessibility and help search engines understand images. | AltTextLab generates context-aware, accessible and search-optimized alt text for images. |
| Support | The enterprise offering advertises dedicated support, API access, and volume pricing for custom enterprise plans. | The Pro plan includes chat support, while Scale lists priority support. |
Plans
AltText.ai
- Credit Pack$3, paid once
- Bronze$49 a year
- Silver$189 a year
- Platinum$229 a month
- Gold$489 a year
- Titanium$1,179 a year
- Platinum$2,199 a year
- EnterprisePriced on request
AltTextLab
- FreeFree
- Pro (annual)$4 a month
- Pro (monthly)$5 a month
- Pay as you go$6, paid once
- Scale$200 a month
In their own words
AltText.ai
AltText.ai generates image descriptions intended to support accessibility and help search engines understand image content. It supports more than 130 languages and can be used through its web service, integrations, browser extensions, and developer tools. Listed integrations include WordPress, Shopify, WooCommerce, Magento, BigCommerce, Contentful, DatoCMS, Storyblok, Cloudinary, Dropbox, Pinterest, and Google Drive. Developers can use a REST API, webhooks, or an MCP server; Chrome and Firefox extensions generate descriptions for web images. A free scanner checks up to 25 pages for missing alt text and reports an AI visibility score. One credit covers one image, and each additional language translation costs another credit. Standard formats include JPG, PNG, GIF, WebP, and BMP. Paid plans also support formats such as AVIF, HEIC, HEIF, JP2, SVG, and TIFF at two credits per image. Prices include a 3.00 USD one-time pack of 50 credits and annual Bronze at $49 a year. AltText.ai says submitted images are removed after processing and are not used to train AI models without expressed written consent.
AltTextLab
AltTextLab generates image alt text with attention to accessibility, search optimization and page context. It considers page titles, product information, surrounding content and image context when composing descriptions. Users can provide SEO keywords, choose a writing style and set the desired length. The product supports more than 130 languages and bulk processing for image libraries, including large batches of product photos. Listed integrations include WordPress, Webflow, Craft CMS, Drupal, Shopify, WooCommerce, Magento, PrestaShop and Craft Commerce. Developer access includes a REST API, a one-line Web Snippet, and connectors such as Google Tag Manager, Zapier, Make and Pipedream; Chrome, Firefox and Microsoft Edge extensions are also listed. Supported image formats are PNG, JPG, WebP, AVIF and SVG. The free plan includes 25 credits per month, with one credit generating alt text for one image. Pro costs $4/mo billed annually or $5 a month on a monthly plan. Paid-plan credits roll over, while pay-as-you-go credits do not expire.