Compose
Guide

Alt Text Generator

Use this alt text generator when an image needs a concise draft description for a web page, product listing, article, or content workflow.

For

Writers, site owners, ecommerce operators, marketers, students, and content teams adding image descriptions.

Problem

Images often ship with missing or vague descriptions, but alt text should be specific, concise, and tied to the image's purpose.

Output

A draft image description that can be checked against the actual image and edited for the page context.

Use when

Web image descriptionsDraft concise alt text for article images, page media, and content blocks.
Product imagesCreate product-focused descriptions that name the visible item and useful context.
Charts and diagramsStart a plain-language description for simple visual data or diagrams.

What to include

Describe what is visibleAlt text should come from the actual image, not from assumptions about intent.
Choose image typePhotos, product images, and charts need different description priorities.
Review in contextThe same image may need different alt text depending on the surrounding page.

Steps

01Enter the image descriptionDescribe the visible subject, setting, objects, and any important text.
02Set type and detailChoose whether the image is a photo, product image, or chart and how concise it should be.
03Check against the imageCompare the draft to the actual image and edit for accuracy before publishing.

Try this

Photo
Generate alt text for a ceramic mug on a wooden desk.

Useful for web articles and image blocks.

Product
Create alt text for a black canvas backpack with front zipper pockets.

Good for product listings.

Chart
Write image description for a chart showing weekly signups increasing.

Works for simple chart descriptions.

Good output

  • The description matches the actual visible image.
  • The output is concise enough for the page context.
  • Important text, product details, or chart meaning are not omitted when relevant.

Avoid

Describing what is not visibleAlt text should avoid assumptions that cannot be seen in the image.
Writing a caption insteadAlt text describes the image; captions can add surrounding commentary.

Limits

This generator creates draft alt text from your written description. It does not inspect image files directly.
Review final alt text for accuracy, accessibility fit, and page context before publishing.

FAQ

Does it inspect uploaded images?

No. It drafts alt text from the image description you provide.

Can it describe product images?

Yes. Choose product image and describe the visible product.

Is the result final accessibility advice?

No. Review it against the actual image and page context.