diff --git a/packages/block-library/src/code/editor.scss b/packages/block-library/src/code/editor.scss
index 1f53d244794e4d..ec54fd99ad2bcf 100644
--- a/packages/block-library/src/code/editor.scss
+++ b/packages/block-library/src/code/editor.scss
@@ -1,8 +1,13 @@
 .wp-block-code .editor-plain-text {
 	font-family: $editor-html-font;
-	font-size: $text-editor-font-size;
 	color: $dark-gray-800;
 
+	/* Fonts smaller than 16px causes mobile safari to zoom. */
+	font-size: $mobile-text-min-font-size;
+	@include break-small {
+		font-size: $default-font-size;
+	}
+
 	&:focus {
 		box-shadow: none;
 	}
diff --git a/packages/block-library/src/html/editor.scss b/packages/block-library/src/html/editor.scss
index 44daf03dd370af..97d4b156aea79b 100644
--- a/packages/block-library/src/html/editor.scss
+++ b/packages/block-library/src/html/editor.scss
@@ -1,11 +1,16 @@
 .wp-block-html .editor-plain-text {
 	font-family: $editor-html-font;
-	font-size: $text-editor-font-size;
 	color: $dark-gray-800;
 	padding: 0.8em 1em;
 	border: 1px solid $light-gray-500;
 	border-radius: 4px;
 
+	/* Fonts smaller than 16px causes mobile safari to zoom. */
+	font-size: $mobile-text-min-font-size;
+	@include break-small {
+		font-size: $default-font-size;
+	}
+
 	&:focus {
 		box-shadow: none;
 	}
diff --git a/packages/block-library/src/preformatted/theme.scss b/packages/block-library/src/preformatted/theme.scss
index 920ecf7de4238d..e0a221912e6203 100644
--- a/packages/block-library/src/preformatted/theme.scss
+++ b/packages/block-library/src/preformatted/theme.scss
@@ -1,7 +1,12 @@
 .wp-block-preformatted {
 	pre {
 		font-family: $editor-html-font;
-		font-size: $text-editor-font-size;
 		color: $dark-gray-800;
+
+		/* Fonts smaller than 16px causes mobile safari to zoom. */
+		font-size: $mobile-text-min-font-size;
+		@include break-small {
+			font-size: $text-editor-font-size;
+		}
 	}
 }
diff --git a/packages/components/src/form-token-field/style.scss b/packages/components/src/form-token-field/style.scss
index 1080070a4ddafb..99fbc607c819aa 100644
--- a/packages/components/src/form-token-field/style.scss
+++ b/packages/components/src/form-token-field/style.scss
@@ -31,7 +31,6 @@
 		min-height: 24px;
 		background: inherit;
 		border: 0;
-		font-size: $default-font-size;
 		color: $dark-gray-800;
 		box-shadow: none;
 
diff --git a/packages/edit-post/src/components/text-editor/style.scss b/packages/edit-post/src/components/text-editor/style.scss
index 1a5980bc5e022c..e925344dc9e3a2 100644
--- a/packages/edit-post/src/components/text-editor/style.scss
+++ b/packages/edit-post/src/components/text-editor/style.scss
@@ -16,6 +16,7 @@
 
 .edit-post-text-editor {
 	width: 100%;
+	max-width: calc(100% - #{$grid-size-large * 2});
 	margin-left: $grid-size-large;
 	margin-right: $grid-size-large;
 
diff --git a/packages/edit-post/src/style.scss b/packages/edit-post/src/style.scss
index 90fac100e15eed..83f2a777454585 100644
--- a/packages/edit-post/src/style.scss
+++ b/packages/edit-post/src/style.scss
@@ -174,10 +174,15 @@ body.block-editor-page {
 	select,
 	textarea {
 		font-family: $default-font;
-		font-size: $default-font-size;
 		padding: 6px 8px;
 		@include input-style__neutral();
 
+		/* Fonts smaller than 16px causes mobile safari to zoom. */
+		font-size: $mobile-text-min-font-size;
+		@include break-small {
+			font-size: $default-font-size;
+		}
+
 		&:focus {
 			@include input-style__focus();
 		}
diff --git a/packages/editor/src/components/post-text-editor/style.scss b/packages/editor/src/components/post-text-editor/style.scss
index 4f6e9ac44ceb79..fd1c77195cc2fe 100644
--- a/packages/editor/src/components/post-text-editor/style.scss
+++ b/packages/editor/src/components/post-text-editor/style.scss
@@ -7,9 +7,14 @@
 	resize: none;
 	overflow: hidden;
 	font-family: $editor-html-font;
-	font-size: $text-editor-font-size;
 	line-height: 150%;
 
+	/* Fonts smaller than 16px causes mobile safari to zoom. */
+	font-size: $mobile-text-min-font-size;
+	@include break-small {
+		font-size: $text-editor-font-size;
+	}
+
 	&:hover,
 	&:focus {
 		border: $border-width solid $light-gray-500;
diff --git a/packages/editor/src/components/url-input/style.scss b/packages/editor/src/components/url-input/style.scss
index 64429e6d6c4e40..2c1662a4c2ed56 100644
--- a/packages/editor/src/components/url-input/style.scss
+++ b/packages/editor/src/components/url-input/style.scss
@@ -20,6 +20,12 @@ $input-size: 300px;
 		margin-left: 0;
 		margin-right: 0;
 
+		/* Fonts smaller than 16px causes mobile safari to zoom. */
+		font-size: $mobile-text-min-font-size;
+		@include break-small {
+			font-size: $default-font-size;
+		}
+
 		&::-ms-clear {
 			display: none;
 		}