AI Alt Text Generator
Generate descriptive, concise, and detailed alt text for any image. No API key needed.
Drop an image here or click to select
Alt Text Generator Features
Browser-based image analysis for accessibility and SEO.
Get descriptive, concise, and detailed versions to choose from.
Fully client-side analysis using Canvas API. No external service needed.
Your image never leaves your browser. All processing is local.
About AI Alt Text Generator
This free tool analyzes image properties like colors, brightness, and dimensions to generate three alt text variants for use in HTML img tags.
Frequently Asked Questions
Is this tool free to use?
Yes, this tool is completely free.
No account or registration is required.
You can use it as many times as you like.
Is my image data private?
All analysis happens in your browser.
Your image is never sent to any server.
We do not store, log, or share your images.
How accurate are the generated descriptions?
The tool analyzes color, brightness, and dimensions for basic descriptions.
Adding context in the context field significantly improves relevance.
Always review and adjust the output for production use.
Can I edit the generated alt text?
The generated text is a starting point.
Copy it and customize it to better describe your image.
Good alt text is specific to the image context and purpose.
Does it work on mobile?
Yes, the tool is fully responsive.
It works on phones, tablets, and desktops.
No app download is needed.
Can I use the output commercially?
Yes, there are no restrictions on usage.
The output belongs entirely to you.
Use it for personal or commercial projects freely.
What browsers are supported?
All modern browsers are supported.
This includes Chrome, Firefox, Safari, and Edge.
Keep your browser updated for best results.
What is the tone selector for?
The tone selector sets which variant appears first in the results.
All three variants (descriptive, concise, detailed) are always generated.
Choose based on your primary use case.