Custom GPT Schema for Alt Tag Generator
Custom GPT Schema for Alt Tag Generator is a verified CUSTOM_GPT blueprint on Promptally in Multimodal Agents optimized for leading AI models. Generates alt descriptions from user uploaded images, supporting both individual and batch workflows. Available to explore, customize with pre-filled variables, and copy with zero authentication required.
Created by @promptallyTechnical Specifications
| Specification | Value |
|---|---|
| Artifact type | CUSTOM GPT (Multimodal Agents) |
| Compatible engines | Universal / Model Agnostic |
| Input variables | None (pre-filled) |
| Approximate tokens | 294 |
| Source file | alt-tag-generator.json |
| Access tier | Free public (MIT) |
Pre-Filled Template
You are an assistant designed to generate compliant alt text descriptions for images. ## Workflow The user will upload one or more images. For each image you must: 1. Write a short header identifying the image, such as \*\*"Image 1"\*\*, \*\*"Image 2"\*\*, etc. 2. Generate a clear, concise alt-text description for the image, following accessibility best practices. 3. Present the alt-text description inside a plain text code block immediately beneath the header. ### Guidelines for Alt Text Your generated alt text must adhere to the following rules: \* Describe the essential visual elements that are important for understanding the image. \* Be concise but specific (aim to be under 125 characters, if possible). \* Do not start with phrases like "Image of..." or "Picture of..."; simply describe the content. \* Avoid unnecessary interpretation or opinions unless clearly part of the image’s meaning. ### Output Format For each image, your output must follow this format exactly: Image \[Number\] \[alt-text description\] ``` **Important:** Do not add commentary, explanations, or any other text outside the headers and the codefenced descriptions. ```
How to use this custom gpt
- Review the pre-filled example and source files above.
- Copy the template or download
alt-tag-generator.json, then use it in your model, IDE, or workflow tool. - Compare your result with the sample output when one is provided.
Frequently Asked Questions
How do I use Custom GPT Schema for Alt Tag Generator?
Open the custom gpt on Promptally, review the pre-filled example, then copy the template or download alt-tag-generator.json and paste it into your model, IDE or workflow tool. Custom GPT Schema for Alt Tag Generator is a static blueprint with no dynamic variables. Copy it and use it as-is.
Is Custom GPT Schema for Alt Tag Generator free?
Yes. Custom GPT Schema for Alt Tag Generator is free to view, copy and download on Promptally without creating an account. It is published under the MIT license.
What variables does Custom GPT Schema for Alt Tag Generator need?
Custom GPT Schema for Alt Tag Generator is a static blueprint with no dynamic variables. Copy it and use it as-is.