---
title: "Lock Square Icon | Free Download PNG & SVG | Nova Line - Free"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/lock-square--33148
canonical_url: "https://www.streamlinehq.com/icons/download/lock-square--33148"
summary: "Clean line icon of a padlock inside a square frame. Used for security, privacy, and locked states."
---

# Lock Square icon

The Lock Square icon shows a padlock centered inside a square frame. Drawn in the line style on a 24px grid for clear, spacious UI rendering, use it for security controls, privacy settings, protected content, login screens, and locked states. It belongs to Nova Line - Free set in the Nova family.

## Preview

![Clean line icon of a padlock inside a square frame. Used for security, privacy, and locked states.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/interface-essential/lock-square-0a80c.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Lock Square
- **Type**: Icon
- **Set**: [Nova Line - Free](/icons/nova-line-free.md) — [Free] Nova is a cross between Streamline and Material. The Line variant follows both design systems with no padding for a larger appearance. Licensed under the Creative Commons - CC BY 4.0
- **Family**: [Nova](/icons/nova.md) — Streamline x Material
- **Style**: Line, Outlined, Minimal
- **Category**: Interface Essential › Interface Essential
- **Default size**: 24px
- **Pricing**: Free
- **License**: [Free](https://home.streamlinehq.com/license-free)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: lock, padlock, locked, security, secure, privacy, protection, access, encrypted, square

## Download

- [Download Lock Square on Streamline](https://www.streamlinehq.com/icons/download/lock-square--33148)

## Also available in other styles

- [Lock Square — Nova Solid - Free](/icons/download/lock-square--33139.md) (Free)

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