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A Flutter package to use fonts from Supports HTTP fetching, caching, and asset bundling.

google_fonts #

pub package

A Flutter package to use fonts from

changing fonts with google_fonts and hot reload

Features #

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  • HTTP fetching at runtime, ideal for development. Can also be used in production to reduce app size
  • Font file caching, on device file system
  • Font bundling in assets. Matching font files found in assets are prioritized over HTTP fetching. Useful for offline-first apps.

Getting Started #

For example, say you want to use the Lato font from Google Fonts in your Flutter app.

First, add the google_fonts package to your pubspec dependencies.

To import GoogleFonts:

import 'package:google_fonts/google_fonts.dart';

To use GoogleFonts with the default TextStyle:

  'This is Google Fonts',
  style: GoogleFonts.lato(),

Or, if you want to load the font dynamically:

  'This is Google Fonts',
  style: GoogleFonts.getFont('Lato'),

To use GoogleFonts with an existing TextStyle:

  'This is Google Fonts',
  style: GoogleFonts.lato(
    textStyle: TextStyle(color:, letterSpacing: .5),


  'This is Google Fonts',
  style: GoogleFonts.lato(textStyle: Theme.of(context).textTheme.headline4),

To override the fontSize, fontWeight, or fontStyle:

  'This is Google Fonts',
  style: GoogleFonts.lato(
    textStyle: Theme.of(context).textTheme.headline4,
    fontSize: 48,
    fontWeight: FontWeight.w700,
    fontStyle: FontStyle.italic,

You can also use GoogleFonts.latoTextTheme() to make or modify an entire text theme to use the "Lato" font.

  return MaterialApp(
    theme: _buildTheme(Brightness.dark),

ThemeData _buildTheme(brightness) {
  var baseTheme = ThemeData(brightness: brightness);

  return baseTheme.copyWith(
    textTheme: GoogleFonts.latoTextTheme(baseTheme.textTheme),

Or, if you want a TextTheme where a couple of styles should use a different font:

final textTheme = Theme.of(context).textTheme;

  theme: ThemeData(
    textTheme: GoogleFonts.latoTextTheme(textTheme).copyWith(
      bodyText2: GoogleFonts.oswald(textStyle: textTheme.bodyText2),

HTTP fetching #

For HTTP fetching to work, certain platforms require additional steps when running the app in debug and/or release mode. For example, macOS requires the following be present in the relevant .entitlements file:


Learn more at

Font bundling in assets #

The google_fonts package will automatically use matching font files in your pubspec.yaml's assets (rather than fetching them at runtime via HTTP). Once you've settled on the fonts you want to use:

  1. Download the font files from You only need to download the weights and styles you are using for any given family. Italic styles will include Italic in the filename. Font weights map to file names as follows:
  FontWeight.w100: 'Thin',
  FontWeight.w200: 'ExtraLight',
  FontWeight.w300: 'Light',
  FontWeight.w400: 'Regular',
  FontWeight.w500: 'Medium',
  FontWeight.w600: 'SemiBold',
  FontWeight.w700: 'Bold',
  FontWeight.w800: 'ExtraBold',
  FontWeight.w900: 'Black',
  1. Move those fonts to some asset folder (e.g. google_fonts). You can name this folder whatever you like and use subdirectories.

  1. Ensure that you have listed the asset folder (e.g. google_fonts/) in your pubspec.yaml, under assets.

Note: Since these files are listed as assets, there is no need to list them in the fonts section of the pubspec.yaml. This can be done because the files are consistently named from the Google Fonts API (so be sure not to rename them!)

See the API docs to completely disable HTTP fetching.

Licensing Fonts #

The fonts on include license files for each font. For example, the Lato font comes with an OFL.txt file.

Once you've decided on the fonts you want in your published app, you should add the appropriate licenses to your flutter app's LicenseRegistry.

For example:

void main() {
  LicenseRegistry.addLicense(() async* {
    final license = await rootBundle.loadString('google_fonts/OFL.txt');
    yield LicenseEntryWithLineBreaks(['google_fonts'], license);


Testing #

See example/test for testing examples.

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A Flutter package to use fonts from Supports HTTP fetching, caching, and asset bundling.

Repository (GitHub)
View/report issues


API reference


Icon for licenses.Apache-2.0 (LICENSE)


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