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Image Alt Text Generator

Upload an image and let AI write accessible alt text, or build alt text from a short description.

Uses AIFree · No sign-upChecking live data…
If you upload an image, it is sent to the AI provider (Google Gemini) to be described. Without an upload, the tool runs locally.

How to use the image alt text generator

  1. Enter or paste your input in the tool above.
  2. Adjust the options if you need to.
  3. Press “Write alt text”.
  4. Copy or download your result.

About this tool

Upload an image and let AI write accessible alt text, or build alt text from a short description. It is part of the free Image Tools collection from LLMWiki, designed to be fast, clear and easy to trust on any device.

No sign-up and no hidden limits in the interface. Results are guidance, so verify anything important.

Powered by: Gemini AI

Uses AI

Your input is sent through our secure backend to an AI provider (Google Gemini or Groq) to create the result. Do not enter confidential or personal data.

Frequently asked questions

Is the image alt text generator free?

Yes. It is free to use and needs no account or sign-up.

Is my data private?

Your input is sent through our secure backend to an AI provider (Google Gemini or Groq) to create the result. Do not enter confidential or personal data.

Who makes this tool?

The tool is built and maintained by LLMWiki. Questions or feedback? Email hello@llmwiki.in.

Are AI results always correct?

No. AI can make mistakes. Review and edit every result before you use it, especially facts, figures and claims.

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Need this done for you?

LLMWiki also provides SEO, AI search optimisation and website development services.

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Why use the Image Alt Text Generator?

The Image Alt Text Generator helps you upload an image and let AI write accessible alt text, or build alt text from a short description. Free, no sign-up. Uses AI. Instead of switching between complicated software or doing it by hand, you get an accurate result in seconds – for free, on any device, with no sign-up.

Key advantages

  • Fast: results in seconds, so you can act immediately.
  • Accurate & practical: built around real-world Image Tools workflows.
  • Free & private: no installation; many tools run entirely in your browser.
  • Works everywhere: fully responsive on mobile, tablet and desktop.
  • Export-ready: copy or download results for reports and clients.

How the Image Alt Text Generator helps your business

Businesses use the image alt text generator to create, resize, compress and optimise images for web and social media. Saving even an hour a week on routine work frees your team for strategy, customers and growth – and reduces the cost of paid tools and outside help.

Organic growth & AI search visibility

Optimised images speed up pages, improve Core Web Vitals and bring extra traffic from Google Images and visual search. Using the image alt text generator as part of a regular routine turns small improvements into compounding gains in traffic, leads and brand visibility.

How to use the Image Alt Text Generator

  1. Add your inputPaste your text, URL, file or data into the tool above.
  2. Run the toolGet an instant, structured result.
  3. Apply the resultCopy, download or share it – and fix what matters most first.

Who is it for?

The Image Alt Text Generator is designed for designers, marketers, e-commerce sellers and bloggers – whether you manage one website or many clients.

Frequently asked questions

Is the Image Alt Text Generator free?

Yes. It is free to use without registration. Advanced platform features (site audits, rank tracking, backlinks and AI visibility tracking) are available in LLM Wiki Pro.

Is my data safe?

Browser-based tools process your data on your device. Tools that fetch a URL only access publicly available pages, and we never sell your data.

Can I use the results for clients?

Absolutely – copy or download the results and use them in audits, reports and deliverables.

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