Roundies Solid Icons
2,380 icon elements2,380 solid filled icons with rounded corners and deliberate negative space. Where most solid icon sets produce dense, heavy blobs, Roundies use carefully carved cutouts and rounded terminals to keep each symbol readable and approachable. Built for apps and platforms that want the visual weight of solid icons without the clinical, rigid feel.
Solid icons have an inherent advantage over line icons: they're faster to scan. The human eye identifies filled shapes about 20% quicker than outlined ones because silhouette recognition is one of the brain's fastest visual processing pathways. But solid icons have a reputation problem. Most of them look industrial, cold, and interchangeable. Roundies fix that.
What "rounded solid" actually means in practice
Every corner radius in this set follows a consistent formula. External corners use a larger radius. Internal corners use a smaller one. Terminals (the ends of shapes) are rounded, not squared. The result is icons that feel organic and approachable while maintaining the scanability advantage of solid fills. Think of the difference between an iPhone's rounded rectangle and a Windows Phone's sharp corners. Same shape, completely different personality.
The negative space is doing the real work
In solid icon design, the parts you remove matter more than the parts you keep. Roundies use strategic cutouts to create internal detail without relying on color variation or outlines. A folder icon doesn't just show a filled rectangle. The tab, the opening, and the document peeking out are all defined by carefully placed negative space. This technique keeps icons readable at any size because the detail is structural, not decorative.
We tested five solid icon sets for our banking app. Roundies was the only one that didn't make the interface feel heavy and intimidating. The rounded edges and smart negative space made a real difference in user comfort scores.
2,380 icons across every category you'll need
Finance & Banking with transaction types, account actions, and payment instruments
Social & Communication including messaging, reactions, sharing, and community features
Navigation & Wayfinding for maps, directions, transportation, and location services
Device & Hardware covering phones, computers, peripherals, and wearables
Content & Media spanning documents, images, video, audio, and streaming
E-Commerce, Health, Education, Weather, Food, Sports and 20+ more
Technical details for implementation
Each icon is a single compound path in SVG. No groups, no layers, no clipping masks. Just one `` element with a `fill` attribute. This means file sizes are tiny (most under 600 bytes), rendering is fast, and recoloring is a single CSS property change: `fill: var(--icon-color)`. The consistent design language means you can use any 50 icons from this set together and they look like they were commissioned as a custom set.
What's included
2,380 production-optimized SVGs as single compound paths
AI source files with the full vector construction
PNG exports at multiple densities
Category-organized file structure
For a line-based alternative with similar rounded character, check our Responsive Line Icons. Want to mix solid and line styles? Our Filled Outline Icons combine both in a single icon. Browse all icon packs or grab the All Access Bundle for the complete library.
Roundies pair well with Hannah Lifestyle Illustrations for consumer apps that want a warm, friendly visual system, or with Starter illustrations for SaaS products where approachable icons and clean illustrations need to coexist.
Note: This pack may include representations of third-party logos, social media icons, national flags, and brand symbols. These elements are provided as free reference assets only and remain the intellectual property of their respective owners. They are not sold as part of this product and should be used in accordance with each brand's usage guidelines.
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