diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6c0871b..b3ee732 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.3.1
+
+ * Make it possible to add a tag from the Tag Browser
+
 # 0.3
 
  * Introduce Tags
diff --git a/bouquin/db.py b/bouquin/db.py
index c0fdee2..f40dd1e 100644
--- a/bouquin/db.py
+++ b/bouquin/db.py
@@ -561,6 +561,30 @@ class DBManager:
         ).fetchall()
         return [(r[0], r[1], r[2]) for r in rows]
 
+    def add_tag(self, name: str, color: str) -> None:
+        """
+        Update a tag's name and colour.
+        """
+        name = name.strip()
+        color = color.strip() or "#CCCCCC"
+
+        try:
+            with self.conn:
+                cur = self.conn.cursor()
+                cur.execute(
+                    """
+                    INSERT INTO tags
+                    (name, color)
+                    VALUES (?, ?);
+                    """,
+                    (name, color),
+                )
+        except sqlite.IntegrityError as e:
+            if "UNIQUE constraint failed: tags.name" in str(e):
+                raise sqlite.IntegrityError(
+                    strings._("tag_already_exists_with_that_name")
+                ) from e
+
     def update_tag(self, tag_id: int, name: str, color: str) -> None:
         """
         Update a tag's name and colour.
diff --git a/bouquin/locales/en.json b/bouquin/locales/en.json
index a3c9228..3fe7c6c 100644
--- a/bouquin/locales/en.json
+++ b/bouquin/locales/en.json
@@ -127,6 +127,7 @@
     "add": "Add",
     "remove": "Remove",
     "ok": "OK",
+    "add_a_tag": "Add a tag",
     "edit_tag_name": "Edit tag name",
     "new_tag_name": "New tag name:",
     "change_color": "Change colour",
diff --git a/bouquin/locales/fr.json b/bouquin/locales/fr.json
index 4944bf5..0949130 100644
--- a/bouquin/locales/fr.json
+++ b/bouquin/locales/fr.json
@@ -127,6 +127,7 @@
     "add": "Ajouter",
     "remove": "Supprimer",
     "ok": "OK",
+    "add_a_tag": "Ajouter une étiquette",
     "edit_tag_name": "Modifier le nom de l'étiquette",
     "new_tag_name": "Nouveau nom de l'étiquette :",
     "change_color": "Changer la couleur",
diff --git a/bouquin/locales/it.json b/bouquin/locales/it.json
index 5e956f0..b5006bb 100644
--- a/bouquin/locales/it.json
+++ b/bouquin/locales/it.json
@@ -126,6 +126,7 @@
     "add": "Aggiungi",
     "remove": "Rimuovi",
     "ok": "OK",
+    "add_a_tag": "Aggiungi un tag",
     "edit_tag_name": "Modifica nome tag",
     "new_tag_name": "Nuovo nome tag:",
     "change_color": "Cambia colore",
diff --git a/bouquin/tag_browser.py b/bouquin/tag_browser.py
index 19a97f4..1e21bd1 100644
--- a/bouquin/tag_browser.py
+++ b/bouquin/tag_browser.py
@@ -1,4 +1,3 @@
-# tag_browser.py
 from PySide6.QtCore import Qt, Signal
 from PySide6.QtGui import QColor
 from PySide6.QtWidgets import (
@@ -11,6 +10,7 @@ from PySide6.QtWidgets import (
     QLabel,
     QColorDialog,
     QMessageBox,
+    QInputDialog,
 )
 
 from .db import DBManager
@@ -52,6 +52,10 @@ class TagBrowserDialog(QDialog):
         # Tag management buttons
         btn_row = QHBoxLayout()
 
+        self.add_tag_btn = QPushButton(strings._("add_a_tag"))
+        self.add_tag_btn.clicked.connect(self._add_a_tag)
+        btn_row.addWidget(self.add_tag_btn)
+
         self.edit_name_btn = QPushButton(strings._("edit_tag_name"))
         self.edit_name_btn.clicked.connect(self._edit_tag_name)
         self.edit_name_btn.setEnabled(False)
@@ -155,6 +159,23 @@ class TagBrowserDialog(QDialog):
                     self.openDateRequested.emit(date_iso)
                     self.accept()
 
+    def _add_a_tag(self):
+        """Add a new tag"""
+
+        new_name, ok = QInputDialog.getText(
+            self, strings._("add_a_tag"), strings._("new_tag_name"), text=""
+        )
+
+        if ok and new_name:
+            color = QColorDialog.getColor(QColor(), self)
+            if color.isValid():
+                try:
+                    self._db.add_tag(new_name, color.name())
+                    self._populate(None)
+                    self.tagsModified.emit()
+                except IntegrityError as e:
+                    QMessageBox.critical(self, strings._("db_database_error"), str(e))
+
     def _edit_tag_name(self):
         """Edit the name of the selected tag"""
         item = self.tree.currentItem()
@@ -169,9 +190,6 @@ class TagBrowserDialog(QDialog):
         old_name = data["name"]
         color = data["color"]
 
-        # Simple input dialog
-        from PySide6.QtWidgets import QInputDialog
-
         new_name, ok = QInputDialog.getText(
             self, strings._("edit_tag_name"), strings._("new_tag_name"), text=old_name
         )
diff --git a/tests/test_tags.py b/tests/test_tags.py
index ab7a0be..302bc4c 100644
--- a/tests/test_tags.py
+++ b/tests/test_tags.py
@@ -141,6 +141,16 @@ def test_list_all_tags(fresh_db):
     assert "tag3" in tag_names
 
 
+def test_add_tag_name_and_color(fresh_db):
+    """Test adding a tag's name and color"""
+    fresh_db.add_tag("new123", "#FF0000")
+
+    updated_tags = fresh_db.list_tags()
+    assert len(updated_tags) == 1
+    assert updated_tags[0][1] == "new123"
+    assert updated_tags[0][2] == "#FF0000"
+
+
 def test_update_tag_name_and_color(fresh_db):
     """Test updating a tag's name and color"""
     date_iso = "2024-01-15"