---
title: "Lock Square Icon | Free Download PNG & SVG | Nova Solid"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/lock-square--11900
canonical_url: "https://www.streamlinehq.com/icons/download/lock-square--11900"
summary: "Clean solid icon of a padlock inside four corner brackets. Used for security, privacy, and locked content."
---

# Lock Square icon

The Lock Square icon shows a filled padlock centered within four rounded corner brackets. Drawn in the solid style on a 24px grid for a clear, balanced UI appearance. Use it for security controls, privacy settings, locked content, access management, and protected screens. It belongs to Nova Solid set in the Nova family.

## Preview

![Clean solid icon of a padlock inside four corner brackets. Used for security, privacy, and locked content.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/login-password/lock-square-i5l9f1a9407cyzifaf7avm.png/lock-square-sokw646f5sfl9wuyg2wjak.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Lock Square
- **Type**: Icon
- **Set**: [Nova Solid](/icons/nova-solid.md) — Nova is a cross between Streamline and Material. The Solid variant provides filled icons combining both design philosophies.
- **Family**: [Nova](/icons/nova.md) — Streamline x Material
- **Style**: Solid, Minimal, Bold, Glyph
- **Category**: Interface Essential › Login Password
- **Default size**: 24px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: lock, square, padlock, secure, security, locked, privacy, private, secured, protected, password, protection, safety, latch, interface, cipher, login

## Download

- [Download Lock Square on Streamline](https://www.streamlinehq.com/icons/download/lock-square--11900)

## Also available in other styles

- [Lock Square — Nova Line](/icons/download/lock-square--32576.md) (Pro)

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