AI Image Describer & Caption Generator

Instantly generate SEO-friendly alt text, image captions, and detailed descriptions with GPT-4o. Describe any photo, picture, or image in seconds.

Upload a file below to watch the AI outline subjects, actions, and context for accessibility, ecommerce, and social media. You can describe any image individually or process entire batches without leaving the browser.

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

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.

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.

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 captions that convert

Feed product shots into the caption generator to produce SEO-friendly alt text and captions you can adapt for Shopify, Amazon, and Etsy listings.

Social media storytelling

Describe any picture or image in seconds, then publish ready-to-post captions tailored for Instagram, LinkedIn, and TikTok. Keep tone consistent by noting approved adjectives until brand presets launch.

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.

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@aiimagedescriber.pro 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.

Popular Blogs:

Image to text best practices

Why teams trust our AI image describer

AI Image Describer & Caption Generator is built for marketing, accessibility, and product teams that need consistent, compliant copy. GPT-4o Vision analyses colors, composition, and intent so the copy it produces matches what reviewers expect to see.

Instead of juggling spreadsheets or copy decks, you can describe any photo or image and instantly receive English alt text, captions, and paragraph-length summaries. Multilingual presets are in beta—reach out if you need them enabled.

Core features that deliver

  • Generates long descriptions, concise alt text, and captions in a single pass.
  • Copy-ready outputs so you can paste directly into CMS accessibility fields.
  • Dashboard usage logs track every generation for billing and compliance.
  • Private storage workflow—files are encrypted, processed, and purged as soon as descriptions are generated.
  • Bulk uploads and brand tone presets are in beta—request access if you need them.

Common workflows we support

Accessibility managers use the tool to audit legacy image libraries. The AI caption generator flags missing alt text and writes replacements that meet WCAG guidelines.

Ecommerce teams describe any product photo—from lifestyle shots to technical diagrams—and publish optimized bullet points that increase organic traffic.

Creators repurpose screenshots, event photos, and UGC videos into ready-to-post captions, keeping engagement steady across Instagram, LinkedIn, and TikTok.

Fast workflow, high-quality output

1. Upload images individually. Our AI image describer accepts JPG, PNG, PDF, GIF, and more. Bulk uploads are planned for a future release—join the waitlist via email.

2. GPT-4o Vision drafts alt text, captions, and long-form descriptions, while you preview confidence highlights.

3. Approve, edit, or regenerate copy. Copy straight into accessibility fields today. CSV exports and automation will launch once the beta opens.

Resources and next steps

Want hands-on examples? Browse our blog for guides on writing alt text with AI Image Describer, automating caption workflows, and leveling up SEO. Each article includes downloadable templates and pro tips.

Ready to try it yourself? Upload any picture, start on the free tier, and upgrade when you need larger credit bundles or team workflows.