---
canonical: 'https://htmlcsstoimage.com/templates/playground?preset=amcE8qGb'
title: 'Template Editor: Start with Testimonial Highlight Badge Instagram Post (Square) Template'
description: 'Customize the Testimonial Highlight Badge Instagram Post (Square) Template in the HTML/CSS to Image template editor, then save it for API image generation.'
---

# Template Editor: Start with Testimonial Highlight Badge Instagram Post (Square) Template

Customize the Testimonial Highlight 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

[Testimonial Highlight Badge](https://htmlcsstoimage.com/templates/details/testimonial-highlight-badge/instagram-post-square.md)

## Template details

- **Preset:** Testimonial Highlight Badge
- **Variation:** Instagram Post (Square)
- **Size:** Instagram Post (Square)
- **Categories:** E-Commerce, Marketing, Quotes
- **Types:** Badge

## Examples

![Testimonial Highlight Badge preview](<https://content-images.htmlcsstoimage.com/media-assets/1707dbb0a786beea647b240f6d54470bd0422bd6775430ffea1e8d9e4f1d87ed/example-image-019ef56b-d836-7b3e-89a8-53af0fd6ba0a.png?v=auto&iv=2>)

Example variable values:

```json
{
  "brand": "Proof Club",
  "label": "Customer proof",
  "quote": "The note our customers kept forwarding.",
  "title": "Most shared testimonial",
  "source": "Reader Choice"
}
```

## Similar templates to try

- [Customer Review Post](https://htmlcsstoimage.com/templates/details/customer-review-post.md): Turn a customer quote, star rating, or product review into social proof that looks intentional and trustworthy.
- [Flash Sale Post](https://htmlcsstoimage.com/templates/details/flash-sale-post.md): A direct sale post for product discounts and limited-time offers.
- [Agent Client Story](https://htmlcsstoimage.com/templates/details/agent-client-story.md): Showcase a client quote, sale result, or agent success story in a testimonial post for real estate marketing.
- [Learner Milestone Badge](https://htmlcsstoimage.com/templates/details/learner-milestone-badge.md): Celebrate a learner achievement, module completion, challenge streak, or community milestone with a compact badge graphic.
- [Creative Commission Invoice](https://htmlcsstoimage.com/templates/details/creative-commission-invoice.md): Send a clear, professional invoice for illustration work, photography, design projects, commissions, and studio services.
- [Beauty Product Label](https://htmlcsstoimage.com/templates/details/beauty-product-label.md): A clean label layout for boutique beauty packaging.

## Get started

- [View the full page](https://htmlcsstoimage.com/templates/playground?preset=amcE8qGb)
- [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.