Nucleo
40,000+ premium SVG icon library with desktop apps to browse, customize, and export icon sets.
What is Nucleo?
Nucleo is an icon library and companion app offering more than 40,000 premium SVG icons across multiple visual styles, including outline, filled, sharp, pixel, and isometric. Native Mac and Windows desktop apps, alongside a web app, let users browse, tag, recolor, resize, and bulk-export icons rather than editing each SVG file by hand, and a React package lets developers import icons directly as components in a codebase. Built independently and bootstrapped since 2014 by two Italy-based developers, Nucleo also offers AI coding integrations for inserting icons within AI-assisted development workflows and a Team plan with shared icon projects and role management. Pricing is split between one-time purchases of individual style packs (Core, UI, Sharp, Pixel, Micro Bold) and an annually billed All Icons Bundle covering the full library.
SpecificationsAI-estimated
Key Features of Nucleo
Use Cases for Nucleo
App and web UI icon sets
Product designers pick a consistent icon style from Nucleo's library to use across an entire app or website.
Developer icon integration
Frontend developers import the Nucleo React package to drop icons directly into components without manual SVG handling.
Design system icon libraries
Design teams standardize on one Nucleo icon style as the base icon set for their design system.
Presentation and marketing graphics
Marketers pull icons into slide decks and marketing graphics for a consistent visual style.
Pros & Cons of Nucleo
Pros
- Very large, consistently styled icon library covering multiple visual styles from one source.
- One-time purchase options for individual style packs avoid an ongoing subscription.
- Desktop app makes searching and exporting icons faster than browsing a website each time.
- React package integration saves developers from manually converting SVGs into components.
Cons
- Full 40k+ icon coverage requires buying multiple style packs or the pricier All Icons Bundle.
- Icon style options can be overwhelming for users who just want one consistent set quickly.
- Primarily a static icon library, not a vector illustration or custom icon design tool.
Frequently Asked Questions
Is Nucleo a subscription?
Most individual style packs (Core, UI, Sharp, Pixel, Micro Bold) are one-time purchases; the All Icons Bundle is billed annually.
Can developers use Nucleo icons in code?
Yes, there is a React package for importing icons as components, plus AI coding integrations.
Does Nucleo have a desktop app?
Yes, native apps are available for both Mac and Windows in addition to the web app.
Is there a team plan?
Yes, a yearly Team plan adds shared icon projects and role management.
Pricing Overview
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