Altxt AI
Free AI alt text generator for SEO & accessibility
Altxt AI generates accurate, keyword-rich image alt text in seconds — completely free, no
signup required.
Upload images or paste URLs, and our AI vision pipeline analyzes each image and writes
concise, SEO-optimized alt text. Supports 18 languages for global sites.
Also includes a free Alt Text Scanner that audits any webpage, scores your images out of
100, and flags missing or weak alt text.
Features
- AI-powered alt text generation from image uploads or URLs
- Optional SEO keyword injection for targeted rankings
- Batch processing — up to 5 images at once
- 18-language output (EN, DE, FR, ES, JA, KO, ZH, and more)
- Website alt text scanner with a 0-100 audit score
- 100% free, no signup, no API key needed
- Runs on edge AI — fast inference, no rate limits
Use Cases
- E-commerce owners generating alt text for thousands of product photos
- Bloggers optimizing featured images before publishing
- Developers fixing WCAG 2.1 accessibility audit warnings
- SEO professionals closing alt text gaps hurting image search rankings
- Agencies auditing client sites for missing image descriptions
- International teams needing alt text in multiple languages
Comments
Hey ! 👋 I built Altxt AI because I got tired of the same problem on every site I worked on — hundreds of images with empty alt tags, killing SEO and accessibility scores. Writing alt text manually is mind-numbing. And most existing tools either charge per image, require API keys, or produce generic garbage like "an image of a thing." So I built a free tool that actually works. It uses a two-step AI pipeline: a vision model analyzes the image first, then an LLM rewrites the description into concise, SEO-friendly alt text. You can inject target keywords and output in 18 languages. I also added a scanner tool — paste any URL and it audits every image on the page, gives you a score out of 100, and tells you exactly what's missing or weak. The whole thing runs on edge AI, so it's fast and free. No signup, no API key, no catch. Would love your feedback — what features would make this more useful for your workflow?
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Comments
Hey ! 👋 I built Altxt AI because I got tired of the same problem on every site I worked on — hundreds of images with empty alt tags, killing SEO and accessibility scores. Writing alt text manually is mind-numbing. And most existing tools either charge per image, require API keys, or produce generic garbage like "an image of a thing." So I built a free tool that actually works. It uses a two-step AI pipeline: a vision model analyzes the image first, then an LLM rewrites the description into concise, SEO-friendly alt text. You can inject target keywords and output in 18 languages. I also added a scanner tool — paste any URL and it audits every image on the page, gives you a score out of 100, and tells you exactly what's missing or weak. The whole thing runs on edge AI, so it's fast and free. No signup, no API key, no catch. Would love your feedback — what features would make this more useful for your workflow?
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