---
title: "Feature Image Aspect Ratio"
description: "Featured image aspect ratio for posts in Aspect, OnFlow, Thesis and Format Ghost themes. Choose auto, 1/1, 4/3, 3/2, 2/3, 16/9, 21/9 or 9/16."
url: "https://www.priority.vision/docs/guides/settings-post/feature-image-aspect-ratio"
scope: shared
appliesTo: [Aspect, OnFlow, Thesis, Format]
lastUpdated: 2026-09-23
---

# Feature image aspect ratio

This guide applies to Aspect, OnFlow, Thesis, and Format.

<div className="theme-blocks">

### Aspect

The theme comes with setting for Post to change featured image aspect ratio.

1. Go to **Settings → Site → Design & branding**
1. Click **Customize → Theme → Post**
1. To change the featured image aspect ratio, change **Featured image aspect ratio** setting

Available options:

- `auto`
- `1/1`
- `4/3`
- `3/2`
- `2/3`
- `16/9`
- `21/9`
- `9/16`

### OnFlow

The theme comes with setting for Post to change featured image aspect ratio.

1. Go to **Settings → Site → Design & branding**
1. Click **Customize → Theme → Post**
1. To change the featured image aspect ratio, change **Featured image aspect ratio** setting

Available options:

- `auto`
- `1/1`
- `4/3`
- `3/2`
- `2/3`
- `16/9`
- `21/9`
- `9/16`

### Thesis

The theme comes with setting for Post to change featured image aspect ratio.

1. Go to **Settings → Site → Design & branding**
1. Click **Customize → Theme → Post**
1. To change the featured image aspect ratio, change **Featured image aspect ratio** setting

Available options:

- `auto`
- `1/1`
- `4/3`
- `3/2`
- `2/3`
- `16/9`
- `21/9`
- `9/16`

### Format

The theme comes with setting for Post to change featured image aspect ratio.

1. Go to **Settings → Site → Design & branding**
1. Click **Customize → Theme → Post**
1. To change the featured image aspect ratio, change **Featured image aspect ratio** setting

Available options:

- `auto`
- `1/1`
- `4/3`
- `3/2`
- `2/3`
- `16/9`
- `21/9`
- `9/16`

</div>

## Documentation Index
> Fetch the complete documentation index at: https://www.priority.vision/docs/llms.txt
> Use this file to discover all available pages before exploring further.