diff --git a/lib/extension/networkMap.js b/lib/extension/networkMap.js
index e88b5191..914f6c99 100644
--- a/lib/extension/networkMap.js
+++ b/lib/extension/networkMap.js
@@ -17,11 +17,13 @@ class NetworkMap extends Extension {
         // Bind
         this.raw = this.raw.bind(this);
         this.graphviz = this.graphviz.bind(this);
+        this.plantuml = this.plantuml.bind(this);
 
         // Set supported formats
         this.supportedFormats = {
             'raw': this.raw,
             'graphviz': this.graphviz,
+            'plantuml': this.plantuml,
         };
     }
 
@@ -126,6 +128,64 @@ class NetworkMap extends Extension {
         return text.replace(/\0/g, '');
     }
 
+    plantuml(topology) {
+        const text = [];
+
+        text.push(`' paste into: https://www.planttext.com/`);
+        text.push(``);
+        text.push('@startuml');
+
+        topology.nodes.sort((a, b) => a.friendlyName.localeCompare(b.friendlyName)).forEach((node) => {
+            // Add friendly name
+            text.push(`card ${node.ieeeAddr} [`);
+            text.push(`${node.friendlyName}`);
+            text.push(`---`);
+
+            // Add the device short network address, ieeaddr and scan note (if any)
+            text.push(
+                `${node.ieeeAddr} (${node.networkAddress})` +
+                ((node.failed && node.failed.length) ? ` failed: ${node.failed.join(',')}` : ''),
+            );
+
+            // Add the device model
+            if (node.type !== 'Coordinator') {
+                text.push(`---`);
+                const definition = this.zigbee.resolveEntity(node.ieeeAddr).definition;
+                if (definition) {
+                    text.push(`${definition.vendor} ${definition.description} (${definition.model})`);
+                } else {
+                    // This model is not supported by zigbee-herdsman-converters, add zigbee model information
+                    text.push(`${node.manufacturerName} ${node.modelID}`);
+                }
+            }
+
+            // Add the device last_seen timestamp
+            let lastSeen = 'unknown';
+            const date = node.type === 'Coordinator' ? Date.now() : node.lastSeen;
+            if (date) {
+                lastSeen = utils.formatDate(date, 'ISO_8601_local');
+            }
+            text.push(`---`);
+            text.push(lastSeen);
+            text.push(`]`);
+            text.push(``);
+        });
+
+        /**
+         * Add edges between the devices
+         * NOTE: There are situations where a device is NOT in the topology, this can be e.g.
+         * due to not responded to the lqi scan. In that case we do not add an edge for this device.
+         */
+        topology.links.forEach((link) => {
+            text.push(`${link.sourceIeeeAddr} --> ${link.targetIeeeAddr}: ${link.lqi}`);
+        });
+        text.push('');
+
+        text.push(`@enduml`);
+
+        return text.join(`\n`);
+    }
+
     async networkScan(includeRoutes) {
         logger.info(`Starting network scan (includeRoutes '${includeRoutes}')`);
         const devices = this.zigbee.getDevices().filter((d) => d.type !== 'GreenPower');
diff --git a/test/networkMap.test.js b/test/networkMap.test.js
index 2963e0b4..1354b1a5 100644
--- a/test/networkMap.test.js
+++ b/test/networkMap.test.js
@@ -168,4 +168,101 @@ describe('Networkmap', () => {
         Date.prototype.getTimezoneOffset = getTimezoneOffset;
         Date.prototype.getHours = getHours;
     });
+
+    it('Output plantuml networkmap', async () => {
+        const getTimezoneOffset = Date.prototype.getTimezoneOffset;
+        const getHours = Date.prototype.getHours;
+        Date.prototype.getTimezoneOffset = () => -60;
+        Date.prototype.getHours = () => 1;
+        mock();
+        const device = zigbeeHerdsman.devices.bulb_color;
+        device.lastSeen = null;
+        const endpoint = device.getEndpoint(1);
+        const data = {modelID: 'test'}
+        const payload = {data, cluster: 'genOnOff', device, endpoint, type: 'readResponse', linkquality: 10};
+        await zigbeeHerdsman.events.message(payload);
+        MQTT.events.message('zigbee2mqtt/bridge/networkmap/routes', 'plantuml');
+        await flushPromises();
+        expect(MQTT.publish).toHaveBeenCalledTimes(1);
+        let call = MQTT.publish.mock.calls[0];
+        expect(call[0]).toStrictEqual('zigbee2mqtt/bridge/networkmap/plantuml');
+
+        const expected = `' paste into: https://www.planttext.com/
+      
+        @startuml
+        card 0x0017880104e45525 [
+        0x0017880104e45525
+        ---
+        0x0017880104e45525 (6536) failed: lqi,routingTable
+        ---
+        Boef notSupportedModelID
+        ---
+        1970-01-01T01:00:01+01:00
+        ]
+        
+        card 0x000b57fffec6a5b2 [
+        bulb
+        ---
+        0x000b57fffec6a5b2 (40369)
+        ---
+        IKEA TRADFRI LED bulb E26/E27 980 lumen, dimmable, white spectrum, opal white (LED1545G12)
+        ---
+        1970-01-01T01:00:01+01:00
+        ]
+        
+        card 0x000b57fffec6a5b3 [
+        bulb_color
+        ---
+        0x000b57fffec6a5b3 (40399)
+        ---
+        Philips Hue Go (7146060PH)
+        ---
+        unknown
+        ]
+        
+        card 0x0017880104e45521 [
+        button_double_key
+        ---
+        0x0017880104e45521 (6538)
+        ---
+        Xiaomi Aqara double key wireless wall switch (WXKG02LM)
+        ---
+        1970-01-01T01:00:01+01:00
+        ]
+        
+        card 0x0017880104e45559 [
+        cc2530_router
+        ---
+        0x0017880104e45559 (6540)
+        ---
+        Custom devices (DiY) [CC2530 router](http://ptvo.info/cc2530-based-zigbee-coordinator-and-router-112/) (CC2530.ROUTER)
+        ---
+        1970-01-01T01:00:01+01:00
+        ]
+        
+        card 0x00124b00120144ae [
+        Coordinator
+        ---
+        0x00124b00120144ae (0)
+        ---
+        1970-01-01T01:00:10+01:00
+        ]
+        
+        0x000b57fffec6a5b3 --> 0x00124b00120144ae: 120
+        0x000b57fffec6a5b2 --> 0x00124b00120144ae: 92
+        0x000b57fffec6a5b3 --> 0x000b57fffec6a5b2: 110
+        0x0017880104e45559 --> 0x000b57fffec6a5b2: 100
+        0x0017880104e45521 --> 0x0017880104e45559: 130
+        
+        @enduml`;
+
+        const expectedLines = expected.split('\n');
+        const actualLines = call[1].split('\n');
+
+        for (let i = 0; i < expectedLines.length; i++) {
+            expect(actualLines[i].trim()).toStrictEqual(expectedLines[i].trim());
+        }
+        Date.prototype.getTimezoneOffset = getTimezoneOffset;
+        Date.prototype.getHours = getHours;
+    });
 });