---
canonical: 'https://htmlcsstoimage.com/templates/playground?preset=ElZafdGe'
title: 'Template Editor: Start with Creator Milestone Badge Instagram Post (Square) Template'
description: 'Customize the Creator Milestone Badge Instagram Post (Square) Template in the HTML/CSS to Image template editor, then save it for API image generation.'
---

# Template Editor: Start with Creator Milestone Badge Instagram Post (Square) Template

Customize the Creator Milestone Badge Instagram Post (Square) Template in the HTML/CSS to Image template editor, then save it for API image generation.

The HTML/CSS to Image API (HCTI) creates images, PDFs, and website screenshots from HTML/CSS, live URLs, or reusable templates. It also supports visual template editing, automated Open Graph images, signed image URLs, batch rendering, direct-to-storage output, and an OAuth-connected MCP server for AI agents.

The template playground is the browser-based visual editor for reusable image templates: configure the canvas, compose blocks, add variables, preview placeholder values, and save the result for rendering through the API.

## What you can do

- Build layouts from text, images, shapes, panels, and other reusable blocks.
- Define variables for content and styling that changes between renders.
- Preview the template with realistic values before saving it.
- Render saved templates through the HTML/CSS to Image API.

## Loaded preset

[Creator Milestone Badge](https://htmlcsstoimage.com/templates/details/creator-milestone-badge/instagram-post-square.md)

## Template details

- **Preset:** Creator Milestone Badge
- **Variation:** Instagram Post (Square)
- **Size:** Instagram Post (Square)
- **Categories:** Creative
- **Types:** Badge

## Examples

![Creator Milestone Badge preview](<https://content-images.htmlcsstoimage.com/media-assets/68bb03d95040e4af722e41d43203589abb0cd9aa08b9178c99afdbcb9fd46323/example-image-019ef56b-a56a-7823-9f2a-17a9d1c3dff7.png?v=auto&iv=2>)

Example variable values:

```json
{
  "date": "Spring 2026",
  "label": "Creator Mark",
  "title": "100 Days Published",
  "subtitle": "A badge for consistent creative output."
}
```

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## Get started

- [View the full page](https://htmlcsstoimage.com/templates/playground?preset=ElZafdGe)
- [Browse templates](https://htmlcsstoimage.com/templates.md)
- [Open the template playground](https://htmlcsstoimage.com/templates/playground.md)
- [Learn how the visual template editor works](https://htmlcsstoimage.com/features/template-editor.md)
- [Read the template API documentation](https://docs.htmlcsstoimage.com/getting-started/templates/)

Rendering or saving a template requires authenticated HTML/CSS to Image API credentials. Keep API keys in trusted server-side configuration. If credentials are not available, ask the user to configure an API key securely, then follow the template API documentation.