Free AI Image Describer & Generator

Describe Images with AI for SEO, Social Media, and Accessibility.

Instantly generate accurate text from images using GPT-4o. Perfect for creating Alt Text, social captions, and prompts. Fast, free, and no sign-up needed.

AI image describer for accessibility and SEO
AI caption generator for product photos and social posts
Alt text generator powered by GPT-4o

Drag and drop images here

Files supported JPG | PNG | JPEG | GIF | JFIF | PDF

✨ 2 Free trials available immediately • No login or credit card required

We securely upload each image to Supabase Storage for a few minutes so GPT-4o Vision can access it, then delete it automatically.

Images are temporarily encrypted in Supabase Storage for GPT-4o Vision processing and deleted right after each request.

Image preview

Upload an image to see it here

AI output

Upload an image to see GPT-4o Vision results.

Example Results

Red running shoes on a clean white background

Ecommerce

A pair of red running shoes aimed at professional athletes, featured on a white background for e-commerce listings.

Vibrant sunset over the ocean framed by palm trees

Social Media

Beautiful sunset over the ocean with palm trees, perfect for Instagram travel aesthetics.

Young professional typing on a laptop in a modern open office

SEO / Alt Text

Alt Text: A young professional typing on a laptop in a modern office environment.

What you get with AI Image Describer

Combine GPT-4o accuracy with proven operational know-how to describe any photo or image faster than manual copywriting.

Purpose-built for accessibility

Preconfigured prompts surface subjects, actions, and context so reviewers can approve compliant alt text without rewriting every line.

Flexible for cross-team workflows

Marketing, product, and compliance teammates can share credits, track usage, and keep copy consistent inside one Supabase-powered workspace.

Secure by default

Encrypted uploads, short-lived storage, and clear audit logs ensure every photo stays private while you maintain SEO performance.

Describe any photo in seconds

AI Image Describer & Caption Generator turns raw visuals into alt text, captions, and detailed descriptions optimized for accessibility, ecommerce, and marketing.

The Best Free AI Image Describer for 2025

Accessibility-ready alt text

Use the built-in alt text generator to produce ADA-compliant descriptions for every photo. Our AI image describer highlights subjects, actions, and context so screen readers narrate the scene accurately.

Ecommerce Product Descriptions

Feed product shots into our image describer AI. It generates detailed commercial copy and SEO-ready content for Shopify, Amazon, and Etsy listings.

Social Media & Viral Captions

Need to describe person in image for Instagram? Our AI describe image generator creates engaging captions for IG, Twitter, and LinkedIn automatically.

How the AI image description workflow runs

  1. Upload any photo, screenshot, or scan—JPG, PNG, PDF, and more are supported.
  2. GPT-4o Vision breaks down colors, objects, and intent to draft alt text, captions, and summaries.
  3. Copy the results into your CMS today and let us know if you need CSV exports in the beta.

Example workflows to replicate

These scenarios show how teams typically deploy AI Image Describer once credits are added—use them as a blueprint for your own automation.

Team reviewing ecommerce imagery with AI assistance

Illustrative scenario

Ecommerce catalog workflow

Plan how you'll handle catalog updates so you're ready when our importer graduates from beta—generate alt text and captions for large product libraries once the feature ships.

  • Map upcoming image batches and note priorities ahead of the beta launch
  • Generate WCAG-aware descriptions together with short-form captions
  • Sync approved copy to ecommerce platforms with a single export (beta)
Accessibility specialists collaborating on image descriptions

Illustrative scenario

Accessibility audit checklist

Audit legacy assets for missing alt text, regenerate descriptions in multiple languages, and attach confidence summaries for stakeholder reviews.

  • Capture subjects, actions, and context for signage or kiosk imagery
  • Regenerate copy in additional languages using custom prompts (beta)
  • Share audit findings with compliance and engineering teams

Plans & Pricing

Choose a plan to unlock AI image description credits

One-time payment

No recurring

150 Credits

$0.07 / credit

$9.99

400 Credits

$0.05 / credit

$19.99

750 Credits

$0.04 / credit

$29.99

  • Included with one-time payment:
  • Each credit returns a description, alt text, and caption
  • Uploads up to 5MB are processed via temporary Supabase storage
  • Dashboard usage logs to audit every generation
  • Email support within 24 business hours
  • Works with JPG, PNG, GIF, and PDF files

Monthly subscription

Cancel at any time

200 Credits / month

$0.05 / credit

$9.99

1,500 Credits / month

$0.02 / credit

Most Popular

$29.99

5,000 Credits / month

$0.010 / credit

$49.99

  • Included with monthly subscription:
  • Monthly credit refresh with rollover tracking in the dashboard
  • Usage history and invoices available under your account
  • Temporary Supabase storage with automatic deletion after processing
  • Priority email support for workflow questions
  • Early access to bulk upload betas

Need help choosing?

Email support@aiimagedescriber.pro with your usage goals and we'll recommend the right credit bundle. support@aiimagedescriber.pro

Frequently asked questions

Everything you need to ship an imagetotext.io-style workflow in minutes.

On the roadmap

These roadmap features unlock as soon as enough customers request them. Email support to share your use case or join the waitlist.

Bulk upload studio

Planned beta: batch upload tools with CSV exports. Email support to join the waitlist and get notified when it opens.

Zapier automation

Planned integration: Zapier workflows to push descriptions into Sheets or Airtable. Email support to let us know this matters to you.

Brand tone templates

Future feature: brand tone presets to store prompts per campaign. Tell support which presets to build first.

SEO & Alt Text Guide

How to Describe Images with AI for Better SEO?

Search engines like Google cannot "see" images; they rely on text. Our tool helps you generate Alt Text that improves your website's SEO ranking and web accessibility. By converting images to text, you ensure your content is compliant with WCAG standards and friendly to screen readers.

Use Cases for AI Picture Describer

  • E-commerce SEO

    Automatically generate product descriptions for Shopify or Amazon listings to boost organic traffic.

  • Social Media Captions

    Turn your photos into viral captions for Instagram, TikTok, and LinkedIn instantly.

  • Creative Prompts

    Reverse engineer images to create prompts for Midjourney or Stable Diffusion.

Why use our Alt Text Generator?

Unlike basic tools, our Alt Text Generator uses GPT-4o Vision to understand context, emotions, and specific details, ensuring your descriptions are human-quality and context-aware.

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Free AI Image Describer | Describe Images with AI & Alt Text Generator