diff --git a/pom.xml b/pom.xml
index cd6379e..813466d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -91,6 +91,12 @@
             <version>5.9.2</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-params</artifactId>
+            <version>5.9.2</version>
+            <scope>test</scope>
+        </dependency>
         <dependency>
             <groupId>org.assertj</groupId>
             <artifactId>assertj-core</artifactId>
diff --git a/src/main/java/ch/ifocusit/plantuml/PlantUmlBuilder.java b/src/main/java/ch/ifocusit/plantuml/PlantUmlBuilder.java
index d7d66ea..bf79436 100644
--- a/src/main/java/ch/ifocusit/plantuml/PlantUmlBuilder.java
+++ b/src/main/java/ch/ifocusit/plantuml/PlantUmlBuilder.java
@@ -21,6 +21,7 @@
 import ch.ifocusit.plantuml.classdiagram.model.Association;
 import ch.ifocusit.plantuml.classdiagram.model.Association.AssociationType;
 import ch.ifocusit.plantuml.classdiagram.model.Cardinality;
+import ch.ifocusit.plantuml.classdiagram.model.Link;
 import ch.ifocusit.plantuml.classdiagram.model.Package;
 import ch.ifocusit.plantuml.classdiagram.model.attribute.Attribute;
 import ch.ifocusit.plantuml.classdiagram.model.clazz.Clazz;
@@ -177,7 +178,7 @@ public PlantUmlBuilder addType(Clazz clazz) {
                         .append(String.join(", ", stereotypes))
                         .append(STEREOTYPE_CLOSE));
         // class link
-        clazz.getLink().ifPresent(link -> content.append(SPACE).append(link));
+        clazz.getLink().ifPresent(link -> content.append(SPACE).append(link.render(Link.LinkContext.CLASS)));
         // class color
         clazz.getBackgroundColor().ifPresent(color -> content.append(SPACE).append(color(color)));
 
@@ -192,7 +193,7 @@ public PlantUmlBuilder addType(Clazz clazz) {
             attribute.getTypeName().ifPresent(
                     type -> content.append(SPACE).append(SEMICOLON).append(SPACE).append(type));
             // field link
-            attribute.getLink().ifPresent(link -> content.append(SPACE).append(link));
+            attribute.getLink().ifPresent(link -> content.append(SPACE).append(link.render(Link.LinkContext.FIELD)));
             content.append(NEWLINE);
         }
         // add methods
@@ -211,7 +212,7 @@ public PlantUmlBuilder addType(Clazz clazz) {
             method.getReturnTypeName().ifPresent(
                     type -> content.append(SPACE).append(SEMICOLON).append(SPACE).append(type));
             // method link
-            method.getLink().ifPresent(link -> content.append(SPACE).append(link));
+            method.getLink().ifPresent(link -> content.append(SPACE).append(link.render(Link.LinkContext.METHOD)));
             content.append(NEWLINE);
         });
         if (clazz.hasContent()) {
diff --git a/src/main/java/ch/ifocusit/plantuml/classdiagram/model/Link.java b/src/main/java/ch/ifocusit/plantuml/classdiagram/model/Link.java
index 300d892..ac1cd63 100644
--- a/src/main/java/ch/ifocusit/plantuml/classdiagram/model/Link.java
+++ b/src/main/java/ch/ifocusit/plantuml/classdiagram/model/Link.java
@@ -1,30 +1,63 @@
 package ch.ifocusit.plantuml.classdiagram.model;
 
+import org.apache.commons.lang3.StringUtils;
+
 @SuppressWarnings("unused")
 public class Link {
     private String url;
     private String label;
-
-    public String getUrl() {
-        return url;
-    }
+    private String tooltip;
 
     public void setUrl(String url) {
         this.url = url;
     }
 
-    public String getLabel() {
-        return label;
-    }
-
     public void setLabel(String label) {
         this.label = label;
     }
 
-    @Override
-    public String toString() {
-        return String.format("[[%s{%s}]]", url, label);
+    public void setTooltip(String tooltip) {
+        this.tooltip = tooltip;
     }
 
+    public String render(LinkContext context) {
+        if (LinkContext.CLASS.equals(context)) {
+            if (StringUtils.isNotBlank(tooltip) && StringUtils.isNotBlank(url)) {
+                return String.format("[[%s{%s}]]", url, tooltip);
+            }
+            if (StringUtils.isNotBlank(tooltip) && StringUtils.isBlank(url)) {
+                return String.format("[[{%s}]]", tooltip);
+            }
+            if (StringUtils.isNotBlank(url)) {
+                return String.format("[[%s]]", url);
+            }
+            return StringUtils.EMPTY;
+        }
+        if (StringUtils.isNotBlank(tooltip) && StringUtils.isNotBlank(url) && StringUtils.isNotBlank(label)) {
+            return String.format("[[[%s{%s} %s]]]", url, tooltip, label);
+        }
+        if (StringUtils.isNotBlank(tooltip) && StringUtils.isNotBlank(url) && StringUtils.isBlank(label)) {
+            return String.format("[[[%s{%s}]]]", url, tooltip);
+        }
+        if (StringUtils.isBlank(tooltip) && StringUtils.isNotBlank(url) && StringUtils.isNotBlank(label)) {
+            return String.format("[[[%s %s]]]", url, label);
+        }
+        if (StringUtils.isNotBlank(tooltip) && StringUtils.isBlank(url) && StringUtils.isBlank(label)) {
+            return String.format("[[[{%s}]]]", tooltip);
+        }
+        if (StringUtils.isNotBlank(url) && StringUtils.isBlank(tooltip) && StringUtils.isBlank(label)) {
+            return String.format("[[[%s]]]", url);
+        }
+        if (StringUtils.isNotBlank(url) && StringUtils.isNotBlank(label) && StringUtils.isBlank(tooltip)) {
+            return String.format("[[[%s %s]]]", url, label);
+        }
+        if (StringUtils.isNotBlank(tooltip) && StringUtils.isBlank(url)) {
+            return String.format("[[[{%s}]]]", tooltip);
+        }
+        return StringUtils.EMPTY;
+    }
 
+    public enum LinkContext {
+        CLASS, FIELD, METHOD
+    }
 }
diff --git a/src/test/java/ch/ifocusit/plantuml/classdiagram/ClassDiagramBuilderTest.java b/src/test/java/ch/ifocusit/plantuml/classdiagram/ClassDiagramBuilderTest.java
index 1c4e703..e260968 100644
--- a/src/test/java/ch/ifocusit/plantuml/classdiagram/ClassDiagramBuilderTest.java
+++ b/src/test/java/ch/ifocusit/plantuml/classdiagram/ClassDiagramBuilderTest.java
@@ -19,6 +19,7 @@
 package ch.ifocusit.plantuml.classdiagram;
 
 import ch.ifocusit.plantuml.PlantUmlBuilder;
+import ch.ifocusit.plantuml.classdiagram.model.Link;
 import ch.ifocusit.plantuml.test.helper.domain.Devise;
 import ch.ifocusit.plantuml.test.helper.domain.Driver;
 import ch.ifocusit.plantuml.test.helper.domain.Price;
@@ -31,9 +32,11 @@
 import org.apache.commons.io.IOUtils;
 import org.junit.jupiter.api.Test;
 
+import java.io.IOException;
 import java.lang.reflect.Field;
 import java.nio.charset.Charset;
 import java.util.Objects;
+import java.util.Optional;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
@@ -47,10 +50,7 @@ class ClassDiagramBuilderTest {
 
     @Test
     void buildShouldGenerateDiagram() throws Exception {
-        String expected = IOUtils.toString(
-                Objects.requireNonNull(
-                        this.getClass().getResourceAsStream("/domain-diagram.plantuml")),
-                Charset.defaultCharset());
+        String expected = IOUtils.toString(Objects.requireNonNull(this.getClass().getResourceAsStream("/domain-diagram.plantuml")), Charset.defaultCharset());
 
         // tag::createSimple[]
         String diagram =
@@ -137,4 +137,49 @@ public String getFieldName(Field field) {
                 + "  attr.brand : String" + CR + "  attr.model : String" + CR
                 + "  attr.wheels : Collection<Wheel>" + CR + "}" + CR + CR + CR + "@enduml");
     }
+
+    @Test
+    public void testLinkRenderer() throws IOException {
+        String expected = IOUtils.toString(Objects.requireNonNull(this.getClass().getResourceAsStream("/links.puml")), Charset.defaultCharset());
+
+        String diagram = new ClassDiagramBuilder()
+                .addClasses(Car.class, Driver.class)
+                .withLinkMaker(new LinkMaker() {
+                    @Override
+                    public Optional<Link> getClassLink(Class aClass) {
+                        String label = aClass.getSimpleName();
+                        Link link = new Link();
+                        link.setLabel(label);
+                        link.setUrl("https://link.com/" + label.toLowerCase());
+                        if (aClass.equals(Driver.class)) {
+                            link.setTooltip("Taxi Driver");
+                        }
+                        return Optional.of(link);
+                    }
+
+                    @Override
+                    public Optional<Link> getFieldLink(Field field) {
+                        if (field.getName().equals("wheels") || field.getDeclaringClass().equals(Driver.class)) {
+                            return Optional.empty();
+                        }
+                        Link link = new Link();
+                        link.setUrl("https://link.com/car/" + field.getName().toLowerCase());
+                        if (field.getName().equals("brand") ) {
+                            link.setLabel("lien");
+                        }
+                        if (field.getName().equals("price") ) {
+                            link.setTooltip("Show details");
+                        }
+                        if (field.getName().equals("model") ) {
+                            link.setLabel("Car models");
+                            link.setTooltip("Show all cars' models");
+                        }
+                        return Optional.of(link);
+                    }
+                })
+                .excludes(".*\\.ignored")
+                .build();
+
+        assertThat(diagram).isEqualTo(expected);
+    }
 }
diff --git a/src/test/java/ch/ifocusit/plantuml/classdiagram/model/LinkTest.java b/src/test/java/ch/ifocusit/plantuml/classdiagram/model/LinkTest.java
new file mode 100644
index 0000000..280259b
--- /dev/null
+++ b/src/test/java/ch/ifocusit/plantuml/classdiagram/model/LinkTest.java
@@ -0,0 +1,57 @@
+package ch.ifocusit.plantuml.classdiagram.model;
+
+import org.apache.commons.lang3.StringUtils;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+class LinkTest {
+
+    public static final String URL = "https://link.com";
+    public static final String LABEL = "label";
+    public static final String TOOLTIP = "tooltip";
+
+    @ParameterizedTest
+    @CsvSource({
+            ",,,,",
+            URL + ",,,[[" + URL + "]]",
+            URL + "," + LABEL + ",,[[" + URL + "]]",
+            URL + "," + LABEL + "," + TOOLTIP + ",[[" + URL + "{" + TOOLTIP + "}]]",
+            ",," + TOOLTIP + ",[[{" + TOOLTIP + "}]]",
+    })
+    void render_class(String url, String label, String tooltip, String expected) {
+        // given
+        Link link = new Link();
+        link.setUrl(url);
+        link.setLabel(label);
+        link.setTooltip(tooltip);
+        // when
+        String actual = link.render(Link.LinkContext.CLASS);
+        // then
+        assertThat(actual).isEqualTo(expected == null ? StringUtils.EMPTY : expected);
+    }
+
+    @ParameterizedTest
+    @CsvSource({
+            ",,,,",
+            URL + ",,,[[[" + URL + "]]]",
+            "," + LABEL + ",,",
+            ",," + TOOLTIP + ",[[[{" + TOOLTIP + "}]]]",
+            URL + "," + LABEL + ",,[[[" + URL + " " + LABEL + "]]]",
+            URL + ",," + TOOLTIP + ",[[[" + URL + "{" + TOOLTIP + "}]]]",
+            URL + "," + LABEL + "," + TOOLTIP + ",[[[" + URL + "{" + TOOLTIP + "} " + LABEL + "]]]",
+            "," + LABEL + "," + TOOLTIP + ",[[[{" + TOOLTIP + "}]]]",
+    })
+    void render_field(String url, String label, String tooltip, String expected) {
+        // given
+        Link link = new Link();
+        link.setUrl(url);
+        link.setLabel(label);
+        link.setTooltip(tooltip);
+        // when
+        String actual = link.render(Link.LinkContext.FIELD);
+        // then
+        assertThat(actual).isEqualTo(expected == null ? StringUtils.EMPTY : expected);
+    }
+}
\ No newline at end of file
diff --git a/src/test/resources/links.puml b/src/test/resources/links.puml
new file mode 100644
index 0000000..a902455
--- /dev/null
+++ b/src/test/resources/links.puml
@@ -0,0 +1,23 @@
+@startuml
+
+class "Car" [[https://link.com/car]] {
+  brand : String [[[https://link.com/car/brand lien]]]
+  model : String [[[https://link.com/car/model{Show all cars' models} Car models]]]
+  drivers : Set<Driver> [[[https://link.com/car/drivers]]]
+  price : Price [[[https://link.com/car/price{Show details}]]]
+  wheels : Collection<Wheel>
+  addDriver(Driver) : Car
+  addWheel(Wheel)
+  buyBy(Driver, BigDecimal, Devise) : Driver
+}
+
+class "Driver" [[https://link.com/driver{Taxi Driver}]] {
+  name : String
+  cars : List<Car>
+  addCar(Car)
+  buy(Car)
+}
+
+"Car" "*" <-> "*" "Driver" : drivers/cars
+
+@enduml
\ No newline at end of file