---
title: "Liquid filters: compact"
description: Removes any `nil` items from an array.
api_name: liquid
source_url:
  html: https://shopify.dev/docs/api/liquid/filters/compact
  md: https://shopify.dev/docs/api/liquid/filters/compact.md
---

# compact

```oobleck
array | compact
```

Removes any `nil` items from an array.

```liquid
{%- assign original_prices = collection.products | map: 'compare_at_price' -%}


Original prices:


{% for price in original_prices -%}
  - {{ price }}
{%- endfor %}


{%- assign compacted_original_prices = original_prices | compact -%}


Original prices - compacted:


{% for price in compacted_original_prices -%}
  - {{ price }}
{%- endfor %}
```

## Output

```html
Original prices:


- 
- 
- 
- 
- 100000059
- 
- 
- 
- 1000
- 
- 2500
- 40000
- 
- 
- 
- 
- 
- 
- 


Original prices - compacted:


- 100000059
- 1000
- 2500
- 40000
```