All Icons

Streamline 3.0

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Streamline Material

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Streamline Vault

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Pixel

Google Material

Tabler

Remix

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Iconoir

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Fluent UI

Lucide

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Phosphor

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Heroicons

Flagpack

Clean line icon of a rounded warning triangle with an exclamation mark. Used for alerts, errors, and caution states.

Warning

Rounded line icon of a triangular warning sign with an exclamation mark. Used for alerts, errors, and safety notices.

Clean line icon of a triangular warning sign with an exclamation mark. Used for alerts, errors, and caution states.

Sharp line icon of a triangular warning sign with an exclamation mark. Used for alerts and error states.

Clean duotone icon of a cloud above a warning triangle with exclamation mark. Used for weather alerts and cloud service warnings.

Cloud Warning

Clean line icon of an exclamation mark inside a circle, flanked by broken arcs. Used for warnings and alerts.

Dashboard Warning

Clean line icon of a document with a folded corner, square marks, and warning symbol. Used for file errors and alerts.

File Warning

Clean line icon of a browser window with warning circle and exclamation. Used for page errors and alerts.

Page Warning

Clean line icon of a globe with a clock-like segment and an exclamation badge. Used for warnings, alerts, and global status.

Globe Warning

Sharp solid icon of a filled warning triangle with an exclamation mark. Used for alerts, errors, and caution states.

Warning Fill

Rounded solid icon of a filled warning triangle with an exclamation mark. Used for alerts, errors, and caution messages.

Minimal line icon of a warning triangle with exclamation and slash. Used for disabled warnings and alert controls.

Warning Off

Clean line icon of a monitor with a warning triangle and exclamation mark. Used for screen alerts and system warnings.

Monitor Warning

Minimal solid icon of a calendar with an exclamation mark. Used for due dates, calendar alerts, and schedule warnings.

Calendar Warning

Minimal duotone icon of a warning triangle crossed by a diagonal slash. Used for disabled warnings and alert settings.

Rounded duotone icon of a warning triangle with an exclamation mark and diagonal slash. Used for disabled warnings.

Rounded solid icon of a warning triangle with an exclamation mark and diagonal slash. Used for muted alerts and warning states.

Clean flat icon of a warning triangle with an exclamation mark and diagonal slash. Used for disabled warnings and muted alerts.

Clean gradient icon of a rounded warning triangle with an exclamation mark. Used for alerts, warnings, and error states.

Warning Triangle

Sharp, colored solid icon of a triangle with an exclamation mark. Used for warnings and alerts.

Rounded colored solid icon of a rounded warning triangle with an exclamation mark. Used for alerts, warnings, and error states.

Rounded flat icon of a rounded square containing an exclamation mark. Used for warnings and alerts.

Warning Square

Sharp, colored solid icon of a blue-outlined yellow circle with an exclamation mark. Used for warnings and alerts.

Warning Circle

Sharp hybrid solid and line icon of an exclamation mark inside a square. Used for warnings, alerts, and error states.

Sharp colored solid icon of a green square with a dark blue exclamation cutout. Used for warnings and alerts.

Sharp colored solid icon of a diamond with an exclamation mark inside. Used for warnings, alerts, and error states.

Warning Diamond

Rounded gradient icon of a shield with an exclamation mark. Used for warnings, errors, and security alerts.

Warning Shield

Clean line icon of a shield outline with a centered exclamation mark. Used for warnings, alerts, and security issues.

Shield Warning

Rounded line icon of a warning triangle, exclamation mark, and five vertical sound bars. Used for voice alerts and audio warnings.

Voice Warning

Clean flat icon of a warning triangle, exclamation mark, and four sound bars. Used for voice alerts.

Rounded colored solid icon of a bar chart with a warning triangle. Used for data alerts and analytics warnings.

Rounded line icon of a cloud with an exclamation mark. Used for weather warnings, cloud alerts, and error states.

Sharp flat icon of a laptop with an exclamation mark. Used for device warnings and computer alerts.

Laptop Warning 1

Sharp solid icon of a laptop with an exclamation mark. Used for device warnings, computer errors, and alerts.

Rounded solid icon of a lightning bolt beside a warning triangle with an exclamation mark. Used for flash alerts and hazards.

Flash Warning

Expressive hand-drawn icon of code symbols and a warning triangle with exclamation mark. Used for coding warnings.

Programming Warning

Sharp flat icon of a user silhouette with an exclamation mark. Used for account warnings and user alerts.

User Warning

Rounded flat icon of a user silhouette beside an exclamation mark. Used for account warnings, user alerts, and profile issues.

Sharp line icon of a database stack with a warning triangle and exclamation mark. Used for database errors and alerts.

Database Warning

Clean neon icon of a laptop with a warning triangle and exclamation mark. Used for device alerts, system and hardware.

Laptop Warning 2

Rounded flat icon of a desktop monitor with a stand and exclamation mark. Used for desktop alerts and warnings.

Desktop Warning

Sharp colored solid icon of a calendar with a white warning panel and dark blue exclamation mark. Used for calendar alerts.

Clean creative icon of a laptop with a warning triangle. Used for device errors and security alerts.

Laptop Warning

Rounded colored solid icon of a rounded warning triangle with an exclamation mark. Used for alerts, errors, and warnings.

Sharp hybrid solid and line icon of a shield with a central exclamation mark. Used for warnings, alerts, and security.

Rounded colored solid icon of a bordered diamond with an exclamation mark and dot. Used for warnings and alerts.

Sharp hybrid solid and line icon of an exclamation mark in a circle. Used for alerts and warnings.

Sharp solid icon of a shield with an exclamation mark. Used for warnings, alerts, and security notices.

Rounded flat icon of an exclamation mark inside a circle. Used for warnings, alerts, and error messages.

Rounded line icon of a circle containing an exclamation mark. Used for warnings and alerts.

Clean line icon of a rounded speech bubble with an exclamation mark. Used for warnings, alerts, and message errors.

The Message Square Warning icon shows a rounded rectangular speech bubble with a pointed lower-left tail and a centered exclamation mark. Drawn in the line style on a 24px grid with a 2px stroke so it stays crisp and clear in modern interfaces. Use it for warning messages, validation errors, chat alerts, support notices, and system status prompts. It belongs to Lucide Line free set in the Lucide family.

<p>Lucide is a free and open source icon set created by Eric Fennis and team with modern design.</p>

Lucide Line

<p>Lucide is a free and open source icon set, created by by Eric Fennis, Karsa Rigó, Jakob Guddas</p>

Message Square Warning is a line-style Icon from Lucide Line set.