Free ChatGPT alt text generator

No "Image of" to delete first.

Free ChatGPT alt text generator that skips the Image of opener ChatGPT defaults to. Written from your description, no upload. 5 free runs every 24 hours.

free runs per 24 hours: 5
rolling reset window: 24h
account required: None

ChatGPT alt text generator

What the ChatGPT alt text generator does

This ChatGPT alt text generator writes alt text from a short description you type, tuned to skip the habit ChatGPT falls into when you ask it directly in a chat window: opening with "An image of" or "A picture of" and then over-describing the visual details a screen reader user doesn't actually need.

It doesn't look at an uploaded image. This site doesn't process images at all, so you describe what the image shows and what it's for, and it comes back as alt text sized for a screen reader. It runs on our AI server, not your browser. You get 5 free runs every rolling 24 hours, no account and no signup.

Alt text

What alt text actually is, in plain terms

Alt text is the written alternative to an image, read aloud by a screen reader in place of the picture and shown as fallback text if the image fails to load. It's an accessibility feature first: it needs to describe what the image does in context, not just what it looks like. Function over appearance, and decorative images get an empty alt attribute so a screen reader skips them instead of announcing something meaningless.

How it works

How to write alt text with ChatGPT-style input in three steps

Three steps, and no "Image of" to trim off the front.

Step 1: Describe the image: what it shows, and what job it's doing on the page.
Step 2: Press Generate. Your description is sent to our AI server and comes back as concise alt text.
Step 3: Read it as a screen reader would announce it, trim anything about appearance rather than function, and paste it in.

Consequences

What a ChatGPT-style description actually breaks

Alt text copied straight from ChatGPT often opens with "An image of" or "A picture of", which is redundant since a screen reader already announces that an image is present before it reads the text, wasting the first few words on nothing a listener needs.

ChatGPT also tends to over-describe: adjectives about color, composition and mood that read like a caption for a sighted person rather than the specific, functional detail a screen reader user actually needs. A chart described as "a colorful bar chart" skips the one thing that matters, the actual data.

The ChatGPT tells

Why ChatGPT's alt text answers need a second pass

Asked directly in chat, ChatGPT converges on a specific, recognizable set of habits.

"An image of" openers: Redundant, since a screen reader already establishes that an image is present before reading the text.
Over-description: Adjectives and visual detail that read like a caption rather than function-focused alt text.
Generic filler for charts: "A chart showing data" instead of the actual values or trend a sighted reader would take away.
Alt text on decorative elements: Describing a background pattern that should instead get an empty alt attribute.

Straight answer

Does ChatGPT-generated alt text actually meet accessibility requirements?

Not automatically. Alt text written from a good, specific description can genuinely meet the intent of accessibility guidelines. Alt text written from a vague one, or left unedited, often doesn't, and ChatGPT's tendency to over-describe doesn't fix that on its own, it just adds words.

The generator is only as good as the description you give it. A specific description of what the image shows and does produces alt text worth keeping. Read every result before you publish it, and trim anything that describes appearance rather than function.

Who uses it

Who uses the ChatGPT alt text generator, and when

Mostly people who already tried it in ChatGPT directly and ended up trimming "An image of" off the front every single time.

Content teams: Writing alt text for a batch of images without a manual edit pass on each one.
Ecommerce sites: Generating consistent, function-focused alt text across thousands of product photos.
Developers doing an accessibility pass: Filling in missing alt attributes flagged by an automated audit.
Bloggers: Writing alt text at publish time for screenshots and charts added throughout a draft.

FAQ

ChatGPT alt text generator FAQ

Everything below is answered in full, nothing to click open.

How do I generate alt text from a ChatGPT-style description?

Describe the image above and press Generate. You'll get alt text already trimmed of the "Image of" opener.

Do I upload the image to this tool?

No. This site doesn't process images at all. You describe it, and the tool writes alt text from that description.

Is the ChatGPT alt text generator free?

Yes. 5 free runs every rolling 24 hours, no account and no signup.

Why does ChatGPT open alt text with "An image of"?

It defaults to a caption-style opener in chat, which is redundant since a screen reader already announces an image is present before reading the text.

Why does ChatGPT over-describe images?

It tends to add visual detail, color, mood, composition, that reads well as a caption but isn't what a screen reader user needs from alt text.

What is alt text actually for?

It's an accessibility feature. A screen reader announces it in place of the image, so it needs to describe function and context, not appearance.

What alt text should a decorative image have?

An empty alt attribute, alt="", so a screen reader skips it instead of announcing something a listener doesn't need.

How should alt text describe a chart?

Name the actual data points or trend, not just the chart type. The data is the content.

Does good alt text help SEO?

It can help image search understand your image, but it isn't a broad ranking factor. Write it for the listener, not to stuff a keyword in.

Is my description sent anywhere?

It's sent to our AI server to generate the alt text and is not used to train models.

How long should alt text be?

Long enough to convey function, short enough that a screen reader isn't reading a paragraph for one image. A sentence usually does it.

What's different between this and the plain AI alt text generator?

Same underlying tool, tuned with ChatGPT's specific habits, "Image of" openers, over-description, in mind rather than a generic model's.

What if the image is also a link?

Describe where it goes or what it does, not just what it looks like. "Company logo, links to homepage" beats a visual description.

Can I run a batch of images through it?

One at a time, within your 5 runs per 24 hours. No batch upload yet.

Will it give the same alt text twice for the same description?

Not reliably. Output can vary between runs on identical input.

Is there an API?

Not currently. Each image runs individually, within the daily allowance.

Does it work for non-English descriptions?

It's built and tested mainly for English. Other languages may produce usable results but aren't held to the same standard.

What happens after I use all 5 runs?

You'll see when the next run opens up. It resets automatically 24 hours after the run that used it.

Does it work on phones?

Yes, fully, in any modern mobile browser.

Does this guarantee accessibility compliance?

No. It can produce genuinely useful alt text from a good description, but compliance depends on the actual result, not on a tool having generated it.

Get alt text without the "Image of" opener.

No upload needed. Describe the image, get alt text back. 5 free runs every 24 hours.

Generate my alt text