AI Alt Text Generator
Upload an image or paste a URL — get 3 AI-written alt text options instantly. Accessible, SEO-friendly, free.
✦ Powered by AI
⚡ No signup required
🆓 Always free
Drop image here or click to browse
JPG, PNG, WebP, GIF — max 4MB
How to write good alt text
Be specific
"Red bicycle leaning against a brick wall" not "bicycle"
Keep it short
Under 125 characters. Screen readers truncate longer text.
Add keywords naturally
Include relevant keywords but write for humans first.
Skip "image of"
Screen readers already announce it as an image.
Frequently Asked Questions
- What is alt text?
- Alt text is a written description of an image in the HTML img tag. It helps screen readers describe images to visually impaired users and helps search engines understand image content.
- Does alt text help SEO?
- Yes. Alt text helps Google understand your images, improving rankings in Google Image Search and contributing to on-page SEO. Include relevant keywords naturally.
- How long should alt text be?
- Under 125 characters. That's short enough for screen readers to read naturally while still describing the image accurately.
- Is this tool free?
- Yes, completely free. No signup, no account, no limits.