[{"data":1,"prerenderedAt":10},["ShallowReactive",2],{"guide-fluent-icons-vs-material-symbols-vs-heroicons":3},{"slug":4,"title":5,"description":6,"date":7,"order":8,"html":9},"fluent-icons-vs-material-symbols-vs-heroicons","Fluent icons vs. Material Symbols vs. Heroicons vs. Lucide","A practical comparison of four popular open-source icon sets — size of the set, styles, licenses, framework support — and how to choose one for your project.","2026-09-23",8,"\u003Cp>Choosing an icon set early saves a lot of rework later. Changing icons halfway through a project means touching every screen. Here's how Microsoft's Fluent UI System Icons compare with three other widely used open-source sets. The numbers below are approximate and grow as the projects add icons.\u003C\u002Fp>\n\u003Ch2>At a glance\u003C\u002Fh2>\n\u003Ctable>\n\u003Cthead>\n\u003Ctr>\n\u003Cth>\u003C\u002Fth>\n\u003Cth>Fluent UI System Icons\u003C\u002Fth>\n\u003Cth>Material Symbols\u003C\u002Fth>\n\u003Cth>Heroicons\u003C\u002Fth>\n\u003Cth>Lucide\u003C\u002Fth>\n\u003C\u002Ftr>\n\u003C\u002Fthead>\n\u003Ctbody>\u003Ctr>\n\u003Ctd>Maintained by\u003C\u002Ftd>\n\u003Ctd>Microsoft\u003C\u002Ftd>\n\u003Ctd>Google\u003C\u002Ftd>\n\u003Ctd>Tailwind Labs\u003C\u002Ftd>\n\u003Ctd>Open-source community\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>License\u003C\u002Ftd>\n\u003Ctd>MIT\u003C\u002Ftd>\n\u003Ctd>Apache 2.0\u003C\u002Ftd>\n\u003Ctd>MIT\u003C\u002Ftd>\n\u003Ctd>ISC\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>Size of set\u003C\u002Ftd>\n\u003Ctd>Thousands of designs\u003C\u002Ftd>\n\u003Ctd>Thousands of designs\u003C\u002Ftd>\n\u003Ctd>A few hundred\u003C\u002Ftd>\n\u003Ctd>Over a thousand\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>Styles\u003C\u002Ftd>\n\u003Ctd>Regular, Filled (plus Color for some icons)\u003C\u002Ftd>\n\u003Ctd>Outlined, Rounded, Sharp, each with a fill option\u003C\u002Ftd>\n\u003Ctd>Outline, Solid, Mini, Micro\u003C\u002Ftd>\n\u003Ctd>Outline\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>Sizes\u003C\u002Ftd>\n\u003Ctd>Hand-tuned sizes, commonly 16–48 px\u003C\u002Ftd>\n\u003Ctd>Variable font with an optical-size axis\u003C\u002Ftd>\n\u003Ctd>24, 20 and 16 px\u003C\u002Ftd>\n\u003Ctd>24 px, stroke adjustable\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003Ctr>\n\u003Ctd>Official React package\u003C\u002Ftd>\n\u003Ctd>Yes\u003C\u002Ftd>\n\u003Ctd>Via community packages\u003C\u002Ftd>\n\u003Ctd>Yes\u003C\u002Ftd>\n\u003Ctd>Yes\u003C\u002Ftd>\n\u003C\u002Ftr>\n\u003C\u002Ftbody>\u003C\u002Ftable>\n\u003Ch2>Fluent UI System Icons\u003C\u002Fh2>\n\u003Cp>\u003Cstrong>Strengths\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>A very large, consistent set with good coverage of productivity concepts: documents, calendars, people, text formatting, devices and communication.\u003C\u002Fli>\n\u003Cli>Many icons are \u003Cstrong>hand-tuned at several sizes\u003C\u002Fstrong>, so small sizes look crisp instead of just being scaled down.\u003C\u002Fli>\n\u003Cli>Filled and regular versions share silhouettes, which makes on\u002Foff state toggles easy. See \u003Ca href=\"\u002Fguides\u002Ffilled-vs-regular-icons\u002F\">filled vs. regular icons\u003C\u002Fa>.\u003C\u002Fli>\n\u003Cli>MIT License, and a well-maintained React package.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>Trade-offs\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>The look is distinctly Microsoft: soft corners and a friendly geometric style. That's great for tools and productivity apps, but may clash with a very sharp or playful brand.\u003C\u002Fli>\n\u003Cli>Not every icon exists at every size.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>Best for:\u003C\u002Fstrong> dashboards, productivity and business apps, anything that integrates with the Microsoft ecosystem, and apps that need a very wide range of concepts.\u003C\u002Fp>\n\u003Ch2>Material Symbols\u003C\u002Fh2>\n\u003Cp>\u003Cstrong>Strengths\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>Huge coverage, and the default choice for Android and Material Design apps.\u003C\u002Fli>\n\u003Cli>Delivered as a \u003Cstrong>variable font\u003C\u002Fstrong>, so you can adjust weight, fill and optical size continuously.\u003C\u002Fli>\n\u003Cli>Three distinct styles (Outlined, Rounded, Sharp) let you match different brand personalities.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>Trade-offs\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>The variable-font approach is powerful, but loading the full font can be heavy. Subsetting or using SVG exports is worth the effort.\u003C\u002Fli>\n\u003Cli>Apache 2.0 has slightly more formal notice requirements than MIT.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>Best for:\u003C\u002Fstrong> Android apps, Material Design products, and teams that want fine control through font variation axes.\u003C\u002Fp>\n\u003Ch2>Heroicons\u003C\u002Fh2>\n\u003Cp>\u003Cstrong>Strengths\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>Small, carefully curated and extremely consistent, made by the Tailwind CSS team.\u003C\u002Fli>\n\u003Cli>Excellent defaults for marketing sites and SaaS interfaces, and pairs naturally with Tailwind.\u003C\u002Fli>\n\u003Cli>Distinct outline, solid, mini and micro variants, each tuned for its size.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>Trade-offs\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>A few hundred icons means you'll hit gaps in specialized apps, such as editors or admin tools with many actions.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>Best for:\u003C\u002Fstrong> landing pages, SaaS products and Tailwind projects with a focused feature set.\u003C\u002Fp>\n\u003Ch2>Lucide\u003C\u002Fh2>\n\u003Cp>\u003Cstrong>Strengths\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>A community-driven continuation of Feather Icons, with a large and growing set.\u003C\u002Fli>\n\u003Cli>Stroke-based, so you can change \u003Cstrong>stroke width\u003C\u002Fstrong> globally for a lighter or bolder feel.\u003C\u002Fli>\n\u003Cli>Official packages for many frameworks.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>Trade-offs\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>Outline style only. There's no built-in filled variant for state toggles.\u003C\u002Fli>\n\u003Cli>Community-maintained, so style consistency depends on contributor review, although it's generally very good.\u003C\u002Fli>\n\u003C\u002Ful>\n\u003Cp>\u003Cstrong>Best for:\u003C\u002Fstrong> developers who want a clean, neutral outline style with framework packages everywhere.\u003C\u002Fp>\n\u003Ch2>How to choose\u003C\u002Fh2>\n\u003Col>\n\u003Cli>\u003Cstrong>Match your platform.\u003C\u002Fstrong> Building for Windows or around Microsoft 365? Fluent will feel native. Android? Material Symbols.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>List the concepts you need.\u003C\u002Fstrong> Write down 30–40 icons your product needs and check each set. Coverage gaps show up fast.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Decide whether you need filled states.\u003C\u002Fstrong> If toggles and selected states matter, Fluent's filled\u002Fregular pairs or Heroicons' outline\u002Fsolid pairs make them straightforward.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Check the license fits your distribution.\u003C\u002Fstrong> All four are permissive, but know what notice you need to include. See our \u003Ca href=\"\u002Fguides\u002Ffluent-icons-license\u002F\">Fluent license guide\u003C\u002Fa>.\u003C\u002Fli>\n\u003Cli>\u003Cstrong>Don't mix sets casually.\u003C\u002Fstrong> Different sets use different stroke weights, corner radii and optical sizes. If you must fill a gap, redraw the missing icon in the style of your main set.\u003C\u002Fli>\n\u003C\u002Fol>\n\u003Cp>If Fluent looks like the right fit, \u003Ca href=\"\u002F\">search the full set\u003C\u002Fa> or \u003Ca href=\"\u002Fbrowse\u002F\">browse it A–Z\u003C\u002Fa>.\u003C\u002Fp>\n",1790215639603]