diff --git a/super_text_layout/lib/src/inline_widgets.dart b/super_text_layout/lib/src/inline_widgets.dart
new file mode 100644
index 0000000000..8121a72875
--- /dev/null
+++ b/super_text_layout/lib/src/inline_widgets.dart
@@ -0,0 +1,31 @@
+/// A placeholder to be given to an `AttributedText`, and later replaced
+/// within an inline network image.
+class InlineNetworkImagePlaceholder {
+  const InlineNetworkImagePlaceholder(this.url);
+
+  final String url;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is InlineNetworkImagePlaceholder && runtimeType == other.runtimeType && url == other.url;
+
+  @override
+  int get hashCode => url.hashCode;
+}
+
+/// A placeholder to be given to an `AttributedText`, and later replaced
+/// within an inline asset image.
+class InlineAssetImagePlaceholder {
+  const InlineAssetImagePlaceholder(this.assetPath);
+
+  final String assetPath;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is InlineAssetImagePlaceholder && runtimeType == other.runtimeType && assetPath == other.assetPath;
+
+  @override
+  int get hashCode => assetPath.hashCode;
+}
diff --git a/super_text_layout/lib/src/super_text_layout_with_selection.dart b/super_text_layout/lib/src/super_text_layout_with_selection.dart
index ee8b704be6..2329f8eb49 100644
--- a/super_text_layout/lib/src/super_text_layout_with_selection.dart
+++ b/super_text_layout/lib/src/super_text_layout_with_selection.dart
@@ -246,7 +246,13 @@ class _RebuildOptimizedSuperTextWithSelectionState extends State<_RebuildOptimiz
                   style: userSelection.caretStyle,
                   blinkCaret: userSelection.blinkCaret,
                   blinkTimingMode: userSelection.blinkTimingMode,
-                  position: userSelection.selection.extent,
+                  position: TextPosition(
+                    offset: userSelection.selection.extent.offset,
+                    affinity: TextAffinity.downstream,
+                  ),
+                  // ^ We force downstream, instead of upstream, to reduce the buggyness
+                  //   of caret sizing in Flutter when placed near an inline widget.
+                  //   Issue: https://github.com/flutter/flutter/issues/159932
                   caretTracker: userSelection.caretFollower,
                 ),
           ],
diff --git a/super_text_layout/lib/src/text_selection_layer.dart b/super_text_layout/lib/src/text_selection_layer.dart
index fbaacb4d49..1da37c14e1 100644
--- a/super_text_layout/lib/src/text_selection_layer.dart
+++ b/super_text_layout/lib/src/text_selection_layer.dart
@@ -1,3 +1,5 @@
+import 'dart:ui';
+
 import 'package:flutter/widgets.dart';
 
 import 'text_layout.dart';
@@ -160,7 +162,10 @@ class TextSelectionPainter extends CustomPainter {
       return;
     }
 
-    final selectionBoxes = textLayout!.getBoxesForSelection(textSelection!);
+    final selectionBoxes = textLayout!.getBoxesForSelection(
+      textSelection!,
+      boxHeightStyle: BoxHeightStyle.max,
+    );
 
     for (final box in selectionBoxes) {
       final rawRect = box.toRect();
diff --git a/super_text_layout/lib/super_text_layout.dart b/super_text_layout/lib/super_text_layout.dart
index 658f1513a6..ea9366aa56 100644
--- a/super_text_layout/lib/super_text_layout.dart
+++ b/super_text_layout/lib/super_text_layout.dart
@@ -1,4 +1,5 @@
 export 'src/caret_layer.dart';
+export 'src/inline_widgets.dart';
 export 'src/super_text.dart';
 export 'src/super_text_layout_with_selection.dart';
 export 'src/text_layout.dart';
diff --git a/super_text_layout/test_goldens/goldens/SuperText-inline-widgets-alignment.png b/super_text_layout/test_goldens/goldens/SuperText-inline-widgets-alignment.png
new file mode 100644
index 0000000000..fa272d289b
Binary files /dev/null and b/super_text_layout/test_goldens/goldens/SuperText-inline-widgets-alignment.png differ
diff --git a/super_text_layout/test_goldens/goldens/SuperText-inline-widgets-sizing.png b/super_text_layout/test_goldens/goldens/SuperText-inline-widgets-sizing.png
new file mode 100644
index 0000000000..36d14a717f
Binary files /dev/null and b/super_text_layout/test_goldens/goldens/SuperText-inline-widgets-sizing.png differ
diff --git a/super_text_layout/test_goldens/goldens/SuperText-reference-render.png b/super_text_layout/test_goldens/goldens/SuperText-reference-render.png
index b3f6242475..3386771d62 100644
Binary files a/super_text_layout/test_goldens/goldens/SuperText-reference-render.png and b/super_text_layout/test_goldens/goldens/SuperText-reference-render.png differ
diff --git a/super_text_layout/test_goldens/goldens/SuperText-text-scale-factor.png b/super_text_layout/test_goldens/goldens/SuperText-text-scale-factor.png
index ee185bcbd9..88cdac889b 100644
Binary files a/super_text_layout/test_goldens/goldens/SuperText-text-scale-factor.png and b/super_text_layout/test_goldens/goldens/SuperText-text-scale-factor.png differ
diff --git a/super_text_layout/test_goldens/goldens/SuperText_layers_caret.png b/super_text_layout/test_goldens/goldens/SuperText_layers_caret.png
index 1993a2d4df..988ac1a6df 100644
Binary files a/super_text_layout/test_goldens/goldens/SuperText_layers_caret.png and b/super_text_layout/test_goldens/goldens/SuperText_layers_caret.png differ
diff --git a/super_text_layout/test_goldens/goldens/SuperText_layers_character-box-outlines.png b/super_text_layout/test_goldens/goldens/SuperText_layers_character-box-outlines.png
index 56d3482ad4..56afb108b3 100644
Binary files a/super_text_layout/test_goldens/goldens/SuperText_layers_character-box-outlines.png and b/super_text_layout/test_goldens/goldens/SuperText_layers_character-box-outlines.png differ
diff --git a/super_text_layout/test_goldens/goldens/SuperText_layers_character-boxes.png b/super_text_layout/test_goldens/goldens/SuperText_layers_character-boxes.png
index 64fa6a9d65..97c60aca14 100644
Binary files a/super_text_layout/test_goldens/goldens/SuperText_layers_character-boxes.png and b/super_text_layout/test_goldens/goldens/SuperText_layers_character-boxes.png differ
diff --git a/super_text_layout/test_goldens/goldens/SuperText_layers_line-boxes.png b/super_text_layout/test_goldens/goldens/SuperText_layers_line-boxes.png
index da31fd7234..ab4740881b 100644
Binary files a/super_text_layout/test_goldens/goldens/SuperText_layers_line-boxes.png and b/super_text_layout/test_goldens/goldens/SuperText_layers_line-boxes.png differ
diff --git a/super_text_layout/test_goldens/goldens/TextSelectionLayer_full-selection-border-radius.png b/super_text_layout/test_goldens/goldens/TextSelectionLayer_full-selection-border-radius.png
index 30b8a9ff77..9ea64f69d2 100644
Binary files a/super_text_layout/test_goldens/goldens/TextSelectionLayer_full-selection-border-radius.png and b/super_text_layout/test_goldens/goldens/TextSelectionLayer_full-selection-border-radius.png differ
diff --git a/super_text_layout/test_goldens/goldens/TextSelectionLayer_full-selection.png b/super_text_layout/test_goldens/goldens/TextSelectionLayer_full-selection.png
index 518603f31d..9b361b517c 100644
Binary files a/super_text_layout/test_goldens/goldens/TextSelectionLayer_full-selection.png and b/super_text_layout/test_goldens/goldens/TextSelectionLayer_full-selection.png differ
diff --git a/super_text_layout/test_goldens/goldens/TextSelectionLayer_partial-selection-border-radius.png b/super_text_layout/test_goldens/goldens/TextSelectionLayer_partial-selection-border-radius.png
index 8adf2818f6..bf1a20fa58 100644
Binary files a/super_text_layout/test_goldens/goldens/TextSelectionLayer_partial-selection-border-radius.png and b/super_text_layout/test_goldens/goldens/TextSelectionLayer_partial-selection-border-radius.png differ
diff --git a/super_text_layout/test_goldens/goldens/TextSelectionLayer_partial-selection.png b/super_text_layout/test_goldens/goldens/TextSelectionLayer_partial-selection.png
index acfe7968b0..a7ade936ee 100644
Binary files a/super_text_layout/test_goldens/goldens/TextSelectionLayer_partial-selection.png and b/super_text_layout/test_goldens/goldens/TextSelectionLayer_partial-selection.png differ
diff --git a/super_text_layout/test_goldens/goldens/TextUnderlineLayer_paints-underline.png b/super_text_layout/test_goldens/goldens/TextUnderlineLayer_paints-underline.png
index bf248317e4..675b813036 100644
Binary files a/super_text_layout/test_goldens/goldens/TextUnderlineLayer_paints-underline.png and b/super_text_layout/test_goldens/goldens/TextUnderlineLayer_paints-underline.png differ
diff --git a/super_text_layout/test_goldens/inline_widgets_test.dart b/super_text_layout/test_goldens/inline_widgets_test.dart
new file mode 100644
index 0000000000..0a07c8e291
--- /dev/null
+++ b/super_text_layout/test_goldens/inline_widgets_test.dart
@@ -0,0 +1,339 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:golden_toolkit/golden_toolkit.dart';
+import 'package:super_text_layout/super_text_layout.dart';
+
+import 'test_tools_goldens.dart';
+
+void main() {
+  group("SuperText inline widgets >", () {
+    testGoldensOnAndroid("vertical alignments", (tester) async {
+      await tester.pumpWidget(
+        _buildScaffold(
+          // ignore: prefer_const_constructors
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: [
+              SuperTextWithSelection.single(
+                richText: _allAlignmentsWithText,
+                userSelection: const UserSelection(
+                  selection: TextSelection(baseOffset: 0, extentOffset: 69),
+                ),
+              ),
+              const SizedBox(height: 24),
+              SuperTextWithSelection.single(
+                richText: _allAlignmentsNoText,
+                userSelection: const UserSelection(
+                  selection: TextSelection(baseOffset: 0, extentOffset: 6),
+                ),
+              ),
+              const SizedBox(height: 24),
+              SuperTextWithSelection.single(
+                richText: _allAlignmentsMultipleSizesSmallToLarge,
+                userSelection: const UserSelection(
+                  selection: TextSelection(baseOffset: 0, extentOffset: 42),
+                ),
+              ),
+              const SizedBox(height: 24),
+              SuperTextWithSelection.single(
+                richText: _allAlignmentsMultipleSizesLargeToSmall,
+                userSelection: const UserSelection(
+                  selection: TextSelection(baseOffset: 0, extentOffset: 42),
+                ),
+              ),
+            ],
+          ),
+        ),
+      );
+
+      await screenMatchesGolden(tester, "SuperText-inline-widgets-alignment");
+    });
+
+    testGoldensOnAndroid("sizing", (tester) async {
+      // This test demonstrates the mechanism that we can use to make
+      // inline widgets the same height as the surrounding text (assuming
+      // the surrounding text uses the same text style).
+      final textPainter12 = TextPainter(
+        text: TextSpan(
+          text: 'a',
+          style: _testTextStyle.copyWith(fontSize: 12),
+        ),
+        textDirection: TextDirection.ltr,
+      )..layout();
+
+      final textPainter18 = TextPainter(
+        text: TextSpan(
+          text: 'a',
+          style: _testTextStyle.copyWith(fontSize: 18),
+        ),
+        textDirection: TextDirection.ltr,
+      )..layout();
+
+      final textPainter32 = TextPainter(
+        text: TextSpan(
+          text: 'a',
+          style: _testTextStyle.copyWith(fontSize: 32),
+        ),
+        textDirection: TextDirection.ltr,
+      )..layout();
+
+      final textPainter64 = TextPainter(
+        text: TextSpan(
+          text: 'a',
+          style: _testTextStyle.copyWith(fontSize: 64),
+        ),
+        textDirection: TextDirection.ltr,
+      )..layout();
+
+      await tester.pumpWidget(
+        _buildScaffold(
+          // ignore: prefer_const_constructors
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: [
+              SuperTextWithSelection.single(
+                richText: TextSpan(
+                  text: '',
+                  children: [
+                    const TextSpan(text: 'Hello '),
+                    WidgetSpan(
+                        child: _inlineSquare(textPainter12.height),
+                        alignment: PlaceholderAlignment.middle,
+                        baseline: TextBaseline.alphabetic),
+                    const TextSpan(text: 'World!'),
+                  ],
+                  style: _testTextStyle.copyWith(
+                    fontSize: 12,
+                  ),
+                ),
+                userSelection: const UserSelection(
+                  selection: TextSelection(baseOffset: 0, extentOffset: 69),
+                ),
+              ),
+              const SizedBox(height: 24),
+              SuperTextWithSelection.single(
+                richText: TextSpan(
+                  text: '',
+                  children: [
+                    const TextSpan(text: 'Hello '),
+                    WidgetSpan(
+                        child: _inlineSquare(textPainter18.height),
+                        alignment: PlaceholderAlignment.middle,
+                        baseline: TextBaseline.alphabetic),
+                    const TextSpan(text: 'World!'),
+                  ],
+                  style: _testTextStyle.copyWith(
+                    fontSize: 18,
+                  ),
+                ),
+                userSelection: const UserSelection(
+                  selection: TextSelection(baseOffset: 0, extentOffset: 69),
+                ),
+              ),
+              const SizedBox(height: 24),
+              SuperTextWithSelection.single(
+                richText: TextSpan(
+                  text: '',
+                  children: [
+                    const TextSpan(text: 'Hello '),
+                    WidgetSpan(
+                        child: _inlineSquare(textPainter32.height),
+                        alignment: PlaceholderAlignment.middle,
+                        baseline: TextBaseline.alphabetic),
+                    const TextSpan(text: 'World!'),
+                  ],
+                  style: _testTextStyle.copyWith(
+                    fontSize: 32,
+                  ),
+                ),
+                userSelection: const UserSelection(
+                  selection: TextSelection(baseOffset: 0, extentOffset: 69),
+                ),
+              ),
+              const SizedBox(height: 24),
+              SuperTextWithSelection.single(
+                richText: TextSpan(
+                  text: '',
+                  children: [
+                    const TextSpan(text: 'Hello '),
+                    WidgetSpan(
+                        child: _inlineSquare(textPainter64.height),
+                        alignment: PlaceholderAlignment.middle,
+                        baseline: TextBaseline.alphabetic),
+                    const TextSpan(text: 'World!'),
+                  ],
+                  style: _testTextStyle.copyWith(
+                    fontSize: 64,
+                  ),
+                ),
+                userSelection: const UserSelection(
+                  selection: TextSelection(baseOffset: 0, extentOffset: 69),
+                ),
+              ),
+              const SizedBox(height: 24),
+            ],
+          ),
+        ),
+      );
+
+      await screenMatchesGolden(tester, "SuperText-inline-widgets-sizing");
+    });
+  });
+}
+
+final _allAlignmentsWithText = TextSpan(
+  text: "",
+  children: [
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.top),
+    const TextSpan(
+      text: "< Top",
+    ),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.middle),
+    const TextSpan(
+      text: "< Middle",
+    ),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.bottom),
+    const TextSpan(
+      text: "< Bottom",
+    ),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.aboveBaseline, baseline: TextBaseline.alphabetic),
+    const TextSpan(
+      text: "< Above Baseline",
+    ),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.baseline, baseline: TextBaseline.alphabetic),
+    const TextSpan(
+      text: "< Baseline",
+    ),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.belowBaseline, baseline: TextBaseline.alphabetic),
+    const TextSpan(
+      text: "< Below Baseline",
+    ),
+  ],
+  style: _testTextStyle,
+);
+
+final _allAlignmentsNoText = TextSpan(
+  text: "",
+  children: [
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.top),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.middle),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.bottom),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.aboveBaseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.baseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.belowBaseline, baseline: TextBaseline.alphabetic),
+  ],
+  style: _testTextStyle,
+);
+
+final _allAlignmentsMultipleSizesSmallToLarge = TextSpan(
+  text: "",
+  children: [
+    // Thin
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.top),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.middle),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.bottom),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.aboveBaseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.baseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.belowBaseline, baseline: TextBaseline.alphabetic),
+    const TextSpan(
+      text: "Hello World!",
+    ),
+    // ~Height of text
+    WidgetSpan(child: _inlineBlock(20), alignment: PlaceholderAlignment.top),
+    WidgetSpan(child: _inlineBlock(20), alignment: PlaceholderAlignment.middle),
+    WidgetSpan(child: _inlineBlock(20), alignment: PlaceholderAlignment.bottom),
+    WidgetSpan(
+        child: _inlineBlock(20), alignment: PlaceholderAlignment.aboveBaseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(child: _inlineBlock(20), alignment: PlaceholderAlignment.baseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(
+        child: _inlineBlock(20), alignment: PlaceholderAlignment.belowBaseline, baseline: TextBaseline.alphabetic),
+    const TextSpan(
+      text: "Hello World!",
+    ),
+    // Taller than text
+    WidgetSpan(child: _inlineBlock(40), alignment: PlaceholderAlignment.top),
+    WidgetSpan(child: _inlineBlock(40), alignment: PlaceholderAlignment.middle),
+    WidgetSpan(child: _inlineBlock(40), alignment: PlaceholderAlignment.bottom),
+    WidgetSpan(
+        child: _inlineBlock(40), alignment: PlaceholderAlignment.aboveBaseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(child: _inlineBlock(40), alignment: PlaceholderAlignment.baseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(
+        child: _inlineBlock(40), alignment: PlaceholderAlignment.belowBaseline, baseline: TextBaseline.alphabetic),
+  ],
+  style: _testTextStyle,
+);
+
+final _allAlignmentsMultipleSizesLargeToSmall = TextSpan(
+  text: "",
+  children: [
+    // Taller than text
+    WidgetSpan(child: _inlineBlock(40), alignment: PlaceholderAlignment.top),
+    WidgetSpan(child: _inlineBlock(40), alignment: PlaceholderAlignment.middle),
+    WidgetSpan(child: _inlineBlock(40), alignment: PlaceholderAlignment.bottom),
+    WidgetSpan(
+        child: _inlineBlock(40), alignment: PlaceholderAlignment.aboveBaseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(child: _inlineBlock(40), alignment: PlaceholderAlignment.baseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(
+        child: _inlineBlock(40), alignment: PlaceholderAlignment.belowBaseline, baseline: TextBaseline.alphabetic),
+    const TextSpan(
+      text: "Hello World!",
+    ),
+    // ~Height of text
+    WidgetSpan(child: _inlineBlock(20), alignment: PlaceholderAlignment.top),
+    WidgetSpan(child: _inlineBlock(20), alignment: PlaceholderAlignment.middle),
+    WidgetSpan(child: _inlineBlock(20), alignment: PlaceholderAlignment.bottom),
+    WidgetSpan(
+        child: _inlineBlock(20), alignment: PlaceholderAlignment.aboveBaseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(child: _inlineBlock(20), alignment: PlaceholderAlignment.baseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(
+        child: _inlineBlock(20), alignment: PlaceholderAlignment.belowBaseline, baseline: TextBaseline.alphabetic),
+    const TextSpan(
+      text: "Hello World!",
+    ),
+    // Thin
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.top),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.middle),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.bottom),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.aboveBaseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.baseline, baseline: TextBaseline.alphabetic),
+    WidgetSpan(child: _inlineBlock(), alignment: PlaceholderAlignment.belowBaseline, baseline: TextBaseline.alphabetic),
+  ],
+  style: _testTextStyle,
+);
+
+Widget _inlineBlock([double height = 4]) => Container(
+      width: 24,
+      height: height,
+      margin: const EdgeInsets.symmetric(horizontal: 4),
+      color: Colors.black,
+    );
+
+Widget _inlineSquare([double height = 4]) => Container(
+      height: height,
+      margin: const EdgeInsets.symmetric(horizontal: 4),
+      child: const AspectRatio(
+        aspectRatio: 1.0,
+        child: ColoredBox(color: Colors.black),
+      ),
+    );
+
+const _testTextStyle = TextStyle(
+  color: Color(0xFF000000),
+  fontFamily: 'Roboto',
+  fontSize: 20,
+);
+
+Widget _buildScaffold({
+  required Widget child,
+}) {
+  return MaterialApp(
+    home: Scaffold(
+      body: Center(
+        child: child,
+      ),
+    ),
+    debugShowCheckedModeBanner: false,
+  );
+}