---
title: "Liquid filters: sha256"
description: Converts a string into an SHA-256 hash. Please use ['blake3'](https://shopify.dev/docs/api/liquid/filters/blake3) instead for better security and performance.
api_name: liquid
source_url:
  html: https://shopify.dev/docs/api/liquid/filters/sha256
  md: https://shopify.dev/docs/api/liquid/filters/sha256.md
---

# sha256

```oobleck
string | sha256: string
```

returns [string](https://shopify.dev/docs/api/liquid/basics#string)

Converts a string into an SHA-256 hash. Please use ['blake3'](https://shopify.dev/docs/api/liquid/filters/blake3) instead for better security and performance.

```liquid
{%- assign secret_potion = 'Polyjuice' | sha256 -%}


My secret potion: {{ secret_potion }}
```

##### Code

```
{%- assign secret_potion = 'Polyjuice' | sha256 -%}

My secret potion: {{ secret_potion }}
```

## Output

```html
My secret potion: 44ac1d7a2936e30a5de07082fd65d6fe9b1fb658a1a98bfe65bc5959beac5dd0
```