---
title: "Check Square Icon | Free Download PNG & SVG | Flex Duo"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/check-square--24518
canonical_url: "https://www.streamlinehq.com/icons/download/check-square--24518"
summary: "Rounded duotone icon of a rounded square with a checkmark. Used for selections, confirmations, and completed tasks."
---

# Check Square icon

The Check Square icon shows a rounded square outline containing a bold checkmark. Drawn in the duotone style on a 14px grid with a 1px stroke, using two color layers for clear separation at compact sizes. Use it for selections, confirmations, completed tasks, form validation, and approval states. It belongs to Flex Duo set in the Flex family.

## Preview

![Rounded duotone icon of a rounded square with a checkmark. Used for selections, confirmations, and completed tasks.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/validation/check-square-iy3xndl3bb1geqj2hpmxp.png/check-square-iiy2i8cvnwe9n8e7phjj.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Check Square
- **Type**: Icon
- **Set**: [Flex Duo](/icons/flex-duo.md) — Flex is all about the curves. Its smooth curves brings fluidity and dynamism to your designs with a modern appeal.&nbsp;The Duo style is perfect for projects that require differentiation between actions, using color to convey meaning effectively. It also allows you to customize the line thickness.&nbsp;All Flex Duo icons are designed on a 14px grid with a 1px default stroke and two customizable colors.
- **Family**: [Flex](/icons/flex.md) — Fluid icons
- **Style**: Duo, Filled, Stroke
- **Category**: Interface Essential › Validation
- **Default size**: 14px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: check, square, checkmark, checkbox, verified, approve, confirm, selected, approved, validation

## Download

- [Download Check Square on Streamline](https://www.streamlinehq.com/icons/download/check-square--24518)

## Also available in other styles

- [Check Square — Flex Line](/icons/download/check-square--24469.md) (Pro)
- [Check Square — Flex Remix](/icons/download/check-square--28558.md) (Pro)
- [Check Square — Flex Gradient](/icons/download/check-square--27670.md) (Pro)
- [Check Square — Flex Flat](/icons/download/check-square--24679.md) (Pro)
- [Check Square — Flex Neon](/icons/download/check-square--30435.md) (Pro)
- [Check Square — Flex Pop](/icons/download/check-square--31318.md) (Pro)
- [Check Square — Flex Solid](/icons/download/check-square--24309.md) (Pro)

---

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