diff --git a/CHANGELOG.md b/CHANGELOG.md
index 1bfca540ac..f53600633c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@
 
 * Added option to disable divider lines for tabular layout
 * Added view original signature
+* Added support for text-transform upper/lowercase
 
 ### 1.1832 - 2022-02-05
 
diff --git a/app/src/main/assets/CHANGELOG.md b/app/src/main/assets/CHANGELOG.md
index 1bfca540ac..f53600633c 100644
--- a/app/src/main/assets/CHANGELOG.md
+++ b/app/src/main/assets/CHANGELOG.md
@@ -8,6 +8,7 @@
 
 * Added option to disable divider lines for tabular layout
 * Added view original signature
+* Added support for text-transform upper/lowercase
 
 ### 1.1832 - 2022-02-05
 
diff --git a/app/src/main/java/eu/faircode/email/HtmlHelper.java b/app/src/main/java/eu/faircode/email/HtmlHelper.java
index d7176d8bfc..4beedf5583 100644
--- a/app/src/main/java/eu/faircode/email/HtmlHelper.java
+++ b/app/src/main/java/eu/faircode/email/HtmlHelper.java
@@ -774,6 +774,35 @@ public class HtmlHelper {
                                 sb.append("text-decoration:line-through;");
                             break;
 
+                        case "text-transform":
+                            // https://developer.mozilla.org/en-US/docs/Web/CSS/text-transform
+                            NodeTraversor.traverse(new NodeVisitor() {
+                                @Override
+                                public void head(Node node, int depth) {
+                                    if (node instanceof TextNode) {
+                                        TextNode tnode = (TextNode) node;
+                                        String text = tnode.getWholeText();
+                                        switch (value) {
+                                            case "capitalize":
+                                                // TODO: capitalize
+                                                break;
+                                            case "uppercase":
+                                                tnode.text(text.toUpperCase(Locale.ROOT));
+                                                break;
+                                            case "lowercase":
+                                                tnode.text(text.toLowerCase(Locale.ROOT));
+                                                break;
+                                        }
+                                    }
+                                }
+
+                                @Override
+                                public void tail(Node node, int depth) {
+                                    // Do nothing
+                                }
+                            }, element);
+                            break;
+
                         case "display":
                             // https://developer.mozilla.org/en-US/docs/Web/CSS/display
                             if (element.parent() != null &&
diff --git a/metadata/en-US/changelogs/1832.txt b/metadata/en-US/changelogs/1832.txt
index 1bfca540ac..f53600633c 100644
--- a/metadata/en-US/changelogs/1832.txt
+++ b/metadata/en-US/changelogs/1832.txt
@@ -8,6 +8,7 @@
 
 * Added option to disable divider lines for tabular layout
 * Added view original signature
+* Added support for text-transform upper/lowercase
 
 ### 1.1832 - 2022-02-05