diff --git a/.gitignore b/.gitignore
index 5185cb1..2e0dbed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ build
 dist
 package-lock.json
 yarn.lock
+.vscode
\ No newline at end of file
diff --git a/package.json b/package.json
index 157630f..aed683a 100644
--- a/package.json
+++ b/package.json
@@ -46,6 +46,7 @@
     "asyncro": "^3.0.0",
     "autoprefixer": "^9.0.0",
     "babel-polyfill": "^6.26.0",
+    "brotli-size": "^0.0.2",
     "camelcase": "^5.0.0",
     "chalk": "^2.4.0",
     "cssnano": "^4.0.0",
diff --git a/src/index.js b/src/index.js
index 944d790..503d036 100644
--- a/src/index.js
+++ b/src/index.js
@@ -15,6 +15,7 @@ import uglify from 'rollup-plugin-uglify';
 import postcss from 'rollup-plugin-postcss';
 import alias from 'rollup-plugin-strict-alias';
 import gzipSize from 'gzip-size';
+import brotliSize from 'brotli-size';
 import prettyBytes from 'pretty-bytes';
 import shebangPlugin from 'rollup-plugin-preserve-shebang';
 import typescript from 'rollup-plugin-typescript2';
@@ -133,13 +134,19 @@ export default async function microbundle(options) {
 		}
 	}
 
+	function formatSize(size, filename, type) {
+		const pretty = prettyBytes(size);
+		const color = size < 5000 ? 'green' : size > 40000 ? 'red' : 'yellow';
+		const MAGIC_INDENTATION = type === 'br' ? 13 : 10;
+		return `${' '.repeat(MAGIC_INDENTATION - pretty.length)}${chalk[color](
+			pretty,
+		)}: ${chalk.white(basename(filename))}.${type}`;
+	}
+
 	async function getSizeInfo(code, filename) {
-		let size = await gzipSize(code);
-		let prettySize = prettyBytes(size);
-		let color = size < 5000 ? 'green' : size > 40000 ? 'red' : 'yellow';
-		return `${' '.repeat(10 - prettySize.length)}${chalk[color](
-			prettySize,
-		)}: ${chalk.white(basename(filename))}`;
+		const gzip = formatSize(await gzipSize(code), filename, 'gz');
+		const brotli = formatSize(brotliSize.sync(code), filename, 'br');
+		return gzip + '\n' + brotli;
 	}
 
 	if (options.watch) {
diff --git a/test/__snapshots__/index.test.js.snap b/test/__snapshots__/index.test.js.snap
index e1c6140..d77b6b0 100644
--- a/test/__snapshots__/index.test.js.snap
+++ b/test/__snapshots__/index.test.js.snap
@@ -20,9 +20,12 @@ basic
 
 
 Build \\"basicLib\\" to dist:
-211 B: basic-lib.js
-211 B: basic-lib.mjs
-292 B: basic-lib.umd.js"
+211 B: basic-lib.js.gz
+154 B: basic-lib.js.br
+211 B: basic-lib.mjs.gz
+155 B: basic-lib.mjs.br
+292 B: basic-lib.umd.js.gz
+228 B: basic-lib.umd.js.br"
 `;
 
 exports[`fixtures basic-css 1`] = `
@@ -46,9 +49,12 @@ basic-css
 
 
 Build \\"basicCss\\" to dist:
-107 B: basic-css.js
-107 B: basic-css.mjs
-188 B: basic-css.umd.js"
+107 B: basic-css.js.gz
+60 B: basic-css.js.br
+107 B: basic-css.mjs.gz
+61 B: basic-css.mjs.br
+188 B: basic-css.umd.js.gz
+135 B: basic-css.umd.js.br"
 `;
 
 exports[`fixtures basic-ts 1`] = `
@@ -74,9 +80,12 @@ basic-ts
 
 
 Build \\"basicLibTs\\" to dist:
-104 B: basic-lib-ts.js
-97 B: basic-lib-ts.mjs
-180 B: basic-lib-ts.umd.js"
+104 B: basic-lib-ts.js.gz
+76 B: basic-lib-ts.js.br
+97 B: basic-lib-ts.mjs.gz
+73 B: basic-lib-ts.mjs.br
+180 B: basic-lib-ts.umd.js.gz
+137 B: basic-lib-ts.umd.js.br"
 `;
 
 exports[`fixtures basic-tsx 1`] = `
@@ -100,9 +109,12 @@ basic-tsx
 
 
 Build \\"basicLibTsx\\" to dist:
-221 B: basic-lib-tsx.js
-221 B: basic-lib-tsx.mjs
-295 B: basic-lib-tsx.umd.js"
+221 B: basic-lib-tsx.js.gz
+179 B: basic-lib-tsx.js.br
+221 B: basic-lib-tsx.mjs.gz
+193 B: basic-lib-tsx.mjs.br
+295 B: basic-lib-tsx.umd.js.gz
+236 B: basic-lib-tsx.umd.js.br"
 `;
 
 exports[`fixtures basic-with-cwd 1`] = `
@@ -127,9 +139,12 @@ basic-with-cwd
 
 
 Build \\"basic\\" to dist:
-211 B: basic.js
-211 B: basic.mjs
-287 B: basic.umd.js"
+211 B: basic.js.gz
+154 B: basic.js.br
+211 B: basic.mjs.gz
+155 B: basic.mjs.br
+287 B: basic.umd.js.gz
+224 B: basic.umd.js.br"
 `;
 
 exports[`fixtures custom-source 1`] = `
@@ -152,9 +167,12 @@ custom-source
 
 
 Build \\"customSource\\" to dist:
-211 B: custom-source.js
-211 B: custom-source.mjs
-293 B: custom-source.umd.js"
+211 B: custom-source.js.gz
+154 B: custom-source.js.br
+211 B: custom-source.mjs.gz
+155 B: custom-source.mjs.br
+293 B: custom-source.umd.js.gz
+226 B: custom-source.umd.js.br"
 `;
 
 exports[`fixtures custom-source-with-cwd 1`] = `
@@ -179,9 +197,12 @@ custom-source-with-cwd
 
 
 Build \\"customSrc\\" to dist:
-211 B: custom-src.js
-211 B: custom-src.mjs
-291 B: custom-src.umd.js"
+211 B: custom-src.js.gz
+154 B: custom-src.js.br
+211 B: custom-src.mjs.gz
+155 B: custom-src.mjs.br
+291 B: custom-src.umd.js.gz
+228 B: custom-src.umd.js.br"
 `;
 
 exports[`fixtures jsx 1`] = `
@@ -202,9 +223,12 @@ jsx
 
 
 Build \\"jsx\\" to dist:
-211 B: jsx.js
-212 B: jsx.mjs
-283 B: jsx.umd.js"
+211 B: jsx.js.gz
+168 B: jsx.js.br
+212 B: jsx.mjs.gz
+170 B: jsx.mjs.br
+283 B: jsx.umd.js.gz
+230 B: jsx.umd.js.br"
 `;
 
 exports[`fixtures name-custom-amd 1`] = `
@@ -227,9 +251,12 @@ name-custom-amd
 
 
 Build \\"customNameAmd\\" to dist:
-211 B: name-custom-amd.js
-211 B: name-custom-amd.mjs
-295 B: name-custom-amd.umd.js"
+211 B: name-custom-amd.js.gz
+154 B: name-custom-amd.js.br
+211 B: name-custom-amd.mjs.gz
+155 B: name-custom-amd.mjs.br
+295 B: name-custom-amd.umd.js.gz
+230 B: name-custom-amd.umd.js.br"
 `;
 
 exports[`fixtures name-custom-cli 1`] = `
@@ -252,9 +279,12 @@ name-custom-cli
 
 
 Build \\"nameCustomCli\\" to dist:
-211 B: name-custom.js
-211 B: name-custom.mjs
-294 B: name-custom.umd.js"
+211 B: name-custom.js.gz
+154 B: name-custom.js.br
+211 B: name-custom.mjs.gz
+155 B: name-custom.mjs.br
+294 B: name-custom.umd.js.gz
+231 B: name-custom.umd.js.br"
 `;
 
 exports[`fixtures no-pkg 1`] = `
@@ -276,9 +306,12 @@ no-pkg
 
 
 Build \\"noPkg\\" to dist:
-211 B: no-pkg.js
-211 B: no-pkg.mjs
-288 B: no-pkg.umd.js"
+211 B: no-pkg.js.gz
+154 B: no-pkg.js.br
+211 B: no-pkg.mjs.gz
+155 B: no-pkg.mjs.br
+288 B: no-pkg.umd.js.gz
+228 B: no-pkg.umd.js.br"
 `;
 
 exports[`fixtures no-pkg-name 1`] = `
@@ -301,7 +334,10 @@ no-pkg-name
 
 
 Build \\"noPkgName\\" to dist:
-211 B: no-pkg-name.js
-211 B: no-pkg-name.mjs
-292 B: no-pkg-name.umd.js"
+211 B: no-pkg-name.js.gz
+154 B: no-pkg-name.js.br
+211 B: no-pkg-name.mjs.gz
+155 B: no-pkg-name.mjs.br
+292 B: no-pkg-name.umd.js.gz
+230 B: no-pkg-name.umd.js.br"
 `;