---
title: "Lock Square Icon | Free Download PNG & SVG | Nova Solid - Free"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/lock-square--33139
canonical_url: "https://www.streamlinehq.com/icons/download/lock-square--33139"
summary: "Clean solid icon of a padlock inside a rounded square frame. Used for security, privacy, and locked content."
---

# Lock Square icon

The Lock Square icon shows a filled padlock centered inside a rounded square frame. Drawn in the solid style on a 24px grid so its bold shapes remain clear at small sizes. Use it for security settings, privacy controls, locked content, access restrictions, and authentication screens. It belongs to Nova Solid - Free set in the Nova family.

## Preview

![Clean solid icon of a padlock inside a rounded square frame. Used for security, privacy, and locked content.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/interface-essential/lock-square-56919.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Lock Square
- **Type**: Icon
- **Set**: [Nova Solid - Free](/icons/nova-solid-free.md) — [Free] Nova is a cross between Streamline and Material. The Solid variant provides filled icons combining both design philosophies. Licensed under the Creative Commons - CC BY 4.0
- **Family**: [Nova](/icons/nova.md) — Streamline x Material
- **Style**: Solid, Minimal, Bold, Glyph
- **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**: padlock, lock, locked, security, secure, privacy, protection, encryption, authentication, square

## Download

- [Download Lock Square on Streamline](https://www.streamlinehq.com/icons/download/lock-square--33139)

## Also available in other styles

- [Lock Square — Nova Line - Free](/icons/download/lock-square--33148.md) (Free)

---

[View full sitemap](/sitemap.md)