diff --git a/gen/go/v1/config.pb.go b/gen/go/v1/config.pb.go
index 2851999c..45952542 100644
--- a/gen/go/v1/config.pb.go
+++ b/gen/go/v1/config.pb.go
@@ -526,6 +526,7 @@ type Hook struct {
 	//	*Hook_ActionWebhook
 	//	*Hook_ActionDiscord
 	//	*Hook_ActionGotify
+	//	*Hook_ActionSlack
 	Action isHook_Action `protobuf_oneof:"action"`
 }
 
@@ -603,6 +604,13 @@ func (x *Hook) GetActionGotify() *Hook_Gotify {
 	return nil
 }
 
+func (x *Hook) GetActionSlack() *Hook_Slack {
+	if x, ok := x.GetAction().(*Hook_ActionSlack); ok {
+		return x.ActionSlack
+	}
+	return nil
+}
+
 type isHook_Action interface {
 	isHook_Action()
 }
@@ -623,6 +631,10 @@ type Hook_ActionGotify struct {
 	ActionGotify *Hook_Gotify `protobuf:"bytes,103,opt,name=action_gotify,json=actionGotify,proto3,oneof"`
 }
 
+type Hook_ActionSlack struct {
+	ActionSlack *Hook_Slack `protobuf:"bytes,104,opt,name=action_slack,json=actionSlack,proto3,oneof"`
+}
+
 func (*Hook_ActionCommand) isHook_Action() {}
 
 func (*Hook_ActionWebhook) isHook_Action() {}
@@ -631,6 +643,8 @@ func (*Hook_ActionDiscord) isHook_Action() {}
 
 func (*Hook_ActionGotify) isHook_Action() {}
 
+func (*Hook_ActionSlack) isHook_Action() {}
+
 type Auth struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -973,6 +987,61 @@ func (x *Hook_Gotify) GetTitleTemplate() string {
 	return ""
 }
 
+type Hook_Slack struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	WebhookUrl string `protobuf:"bytes,1,opt,name=webhook_url,json=webhookUrl,proto3" json:"webhook_url,omitempty"`
+	Template   string `protobuf:"bytes,2,opt,name=template,proto3" json:"template,omitempty"` // template for the webhook payload.
+}
+
+func (x *Hook_Slack) Reset() {
+	*x = Hook_Slack{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_v1_config_proto_msgTypes[12]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Hook_Slack) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Hook_Slack) ProtoMessage() {}
+
+func (x *Hook_Slack) ProtoReflect() protoreflect.Message {
+	mi := &file_v1_config_proto_msgTypes[12]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Hook_Slack.ProtoReflect.Descriptor instead.
+func (*Hook_Slack) Descriptor() ([]byte, []int) {
+	return file_v1_config_proto_rawDescGZIP(), []int{5, 4}
+}
+
+func (x *Hook_Slack) GetWebhookUrl() string {
+	if x != nil {
+		return x.WebhookUrl
+	}
+	return ""
+}
+
+func (x *Hook_Slack) GetTemplate() string {
+	if x != nil {
+		return x.Template
+	}
+	return ""
+}
+
 var File_v1_config_proto protoreflect.FileDescriptor
 
 var file_v1_config_proto_rawDesc = []byte{
@@ -1039,7 +1108,7 @@ var file_v1_config_proto_rawDesc = []byte{
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@@ -1058,45 +1127,53 @@ var file_v1_config_proto_rawDesc = []byte{
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+	0x72, 0x65, 0x74, 0x68, 0x67, 0x65, 0x6f, 0x72, 0x67, 0x65, 0x2f, 0x62, 0x61, 0x63, 0x6b, 0x72,
+	0x65, 0x73, 0x74, 0x2f, 0x67, 0x65, 0x6e, 0x2f, 0x67, 0x6f, 0x2f, 0x76, 0x31, 0x62, 0x06, 0x70,
+	0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -1112,7 +1189,7 @@ func file_v1_config_proto_rawDescGZIP() []byte {
 }
 
 var file_v1_config_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_v1_config_proto_msgTypes = make([]protoimpl.MessageInfo, 12)
+var file_v1_config_proto_msgTypes = make([]protoimpl.MessageInfo, 13)
 var file_v1_config_proto_goTypes = []interface{}{
 	(Hook_Condition)(0),     // 0: v1.Hook.Condition
 	(*Config)(nil),          // 1: v1.Config
@@ -1127,6 +1204,7 @@ var file_v1_config_proto_goTypes = []interface{}{
 	(*Hook_Webhook)(nil),    // 10: v1.Hook.Webhook
 	(*Hook_Discord)(nil),    // 11: v1.Hook.Discord
 	(*Hook_Gotify)(nil),     // 12: v1.Hook.Gotify
+	(*Hook_Slack)(nil),      // 13: v1.Hook.Slack
 }
 var file_v1_config_proto_depIdxs = []int32{
 	2,  // 0: v1.Config.repos:type_name -> v1.Repo
@@ -1141,12 +1219,13 @@ var file_v1_config_proto_depIdxs = []int32{
 	10, // 9: v1.Hook.action_webhook:type_name -> v1.Hook.Webhook
 	11, // 10: v1.Hook.action_discord:type_name -> v1.Hook.Discord
 	12, // 11: v1.Hook.action_gotify:type_name -> v1.Hook.Gotify
-	8,  // 12: v1.Auth.users:type_name -> v1.User
-	13, // [13:13] is the sub-list for method output_type
-	13, // [13:13] is the sub-list for method input_type
-	13, // [13:13] is the sub-list for extension type_name
-	13, // [13:13] is the sub-list for extension extendee
-	0,  // [0:13] is the sub-list for field type_name
+	13, // 12: v1.Hook.action_slack:type_name -> v1.Hook.Slack
+	8,  // 13: v1.Auth.users:type_name -> v1.User
+	14, // [14:14] is the sub-list for method output_type
+	14, // [14:14] is the sub-list for method input_type
+	14, // [14:14] is the sub-list for extension type_name
+	14, // [14:14] is the sub-list for extension extendee
+	0,  // [0:14] is the sub-list for field type_name
 }
 
 func init() { file_v1_config_proto_init() }
@@ -1299,12 +1378,25 @@ func file_v1_config_proto_init() {
 				return nil
 			}
 		}
+		file_v1_config_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Hook_Slack); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	file_v1_config_proto_msgTypes[5].OneofWrappers = []interface{}{
 		(*Hook_ActionCommand)(nil),
 		(*Hook_ActionWebhook)(nil),
 		(*Hook_ActionDiscord)(nil),
 		(*Hook_ActionGotify)(nil),
+		(*Hook_ActionSlack)(nil),
 	}
 	file_v1_config_proto_msgTypes[7].OneofWrappers = []interface{}{
 		(*User_PasswordBcrypt)(nil),
@@ -1315,7 +1407,7 @@ func file_v1_config_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_v1_config_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   12,
+			NumMessages:   13,
 			NumExtensions: 0,
 			NumServices:   0,
 		},
diff --git a/internal/hook/discordhook.go b/internal/hook/discordhook.go
index 280f13e1..871c0a38 100644
--- a/internal/hook/discordhook.go
+++ b/internal/hook/discordhook.go
@@ -25,7 +25,7 @@ func (h *Hook) doDiscord(cmd *v1.Hook_ActionDiscord, vars HookVars, output io.Wr
 
 	requestBytes, _ := json.Marshal(request)
 
-	fmt.Fprintf(output, "Sending Discord message to %s\n---- payload ----", cmd.ActionDiscord.GetWebhookUrl())
+	fmt.Fprintf(output, "Sending Discord message to %s\n---- payload ----\n", cmd.ActionDiscord.GetWebhookUrl())
 	output.Write(requestBytes)
 
 	_, err = post(cmd.ActionDiscord.GetWebhookUrl(), "application/json", bytes.NewReader(requestBytes))
diff --git a/internal/hook/hook.go b/internal/hook/hook.go
index cd9f8427..3aa4271f 100644
--- a/internal/hook/hook.go
+++ b/internal/hook/hook.go
@@ -155,6 +155,8 @@ func (h *Hook) Do(event v1.Hook_Condition, vars HookVars, output io.Writer) erro
 		return h.doDiscord(action, vars, output)
 	case *v1.Hook_ActionGotify:
 		return h.doGotify(action, vars, output)
+	case *v1.Hook_ActionSlack:
+		return h.doSlack(action, vars, output)
 	default:
 		return fmt.Errorf("unknown hook action: %v", action)
 	}
diff --git a/internal/hook/slackhook.go b/internal/hook/slackhook.go
new file mode 100644
index 00000000..075115f0
--- /dev/null
+++ b/internal/hook/slackhook.go
@@ -0,0 +1,33 @@
+package hook
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+
+	v1 "github.com/garethgeorge/backrest/gen/go/v1"
+)
+
+func (h *Hook) doSlack(cmd *v1.Hook_ActionSlack, vars HookVars, output io.Writer) error {
+	payload, err := h.renderTemplateOrDefault(cmd.ActionSlack.GetTemplate(), defaultTemplate, vars)
+	if err != nil {
+		return fmt.Errorf("template rendering: %w", err)
+	}
+
+	type Message struct {
+		Text string `json:"text"`
+	}
+
+	request := Message{
+		Text: "Backrest Notification\n" + payload, // leading newline looks better in discord.
+	}
+
+	requestBytes, _ := json.Marshal(request)
+
+	fmt.Fprintf(output, "Sending Slack message to %s\n---- payload ----\n", cmd.ActionSlack.GetWebhookUrl())
+	output.Write(requestBytes)
+
+	_, err = post(cmd.ActionSlack.GetWebhookUrl(), "application/json", bytes.NewReader(requestBytes))
+	return err
+}
diff --git a/proto/v1/config.proto b/proto/v1/config.proto
index ca3faabf..ac824e6e 100644
--- a/proto/v1/config.proto
+++ b/proto/v1/config.proto
@@ -72,6 +72,7 @@ message Hook {
     Webhook action_webhook = 101 [json_name="actionWebhook"];
     Discord action_discord = 102 [json_name="actionDiscord"];
     Gotify action_gotify = 103 [json_name="actionGotify"];
+    Slack action_slack = 104 [json_name="actionSlack"];
   }
 
   message Command {
@@ -93,6 +94,11 @@ message Hook {
     string template = 100 [json_name="template"]; // template for the webhook payload.
     string title_template = 101 [json_name="titleTemplate"]; // template for the webhook title.
   }
+
+  message Slack {
+    string webhook_url = 1 [json_name="webhookUrl"];
+    string template = 2 [json_name="template"]; // template for the webhook payload.
+  }
 }
 
 message Auth {
diff --git a/webui/gen/ts/v1/config_pb.ts b/webui/gen/ts/v1/config_pb.ts
index 12e3cc10..d42626aa 100644
--- a/webui/gen/ts/v1/config_pb.ts
+++ b/webui/gen/ts/v1/config_pb.ts
@@ -435,6 +435,12 @@ export class Hook extends Message<Hook> {
      */
     value: Hook_Gotify;
     case: "actionGotify";
+  } | {
+    /**
+     * @generated from field: v1.Hook.Slack action_slack = 104;
+     */
+    value: Hook_Slack;
+    case: "actionSlack";
   } | { case: undefined; value?: undefined } = { case: undefined };
 
   constructor(data?: PartialMessage<Hook>) {
@@ -450,6 +456,7 @@ export class Hook extends Message<Hook> {
     { no: 101, name: "action_webhook", kind: "message", T: Hook_Webhook, oneof: "action" },
     { no: 102, name: "action_discord", kind: "message", T: Hook_Discord, oneof: "action" },
     { no: 103, name: "action_gotify", kind: "message", T: Hook_Gotify, oneof: "action" },
+    { no: 104, name: "action_slack", kind: "message", T: Hook_Slack, oneof: "action" },
   ]);
 
   static fromBinary(bytes: Uint8Array, options?: Partial<BinaryReadOptions>): Hook {
@@ -693,6 +700,51 @@ export class Hook_Gotify extends Message<Hook_Gotify> {
   }
 }
 
+/**
+ * @generated from message v1.Hook.Slack
+ */
+export class Hook_Slack extends Message<Hook_Slack> {
+  /**
+   * @generated from field: string webhook_url = 1;
+   */
+  webhookUrl = "";
+
+  /**
+   * template for the webhook payload.
+   *
+   * @generated from field: string template = 2;
+   */
+  template = "";
+
+  constructor(data?: PartialMessage<Hook_Slack>) {
+    super();
+    proto3.util.initPartial(data, this);
+  }
+
+  static readonly runtime: typeof proto3 = proto3;
+  static readonly typeName = "v1.Hook.Slack";
+  static readonly fields: FieldList = proto3.util.newFieldList(() => [
+    { no: 1, name: "webhook_url", kind: "scalar", T: 9 /* ScalarType.STRING */ },
+    { no: 2, name: "template", kind: "scalar", T: 9 /* ScalarType.STRING */ },
+  ]);
+
+  static fromBinary(bytes: Uint8Array, options?: Partial<BinaryReadOptions>): Hook_Slack {
+    return new Hook_Slack().fromBinary(bytes, options);
+  }
+
+  static fromJson(jsonValue: JsonValue, options?: Partial<JsonReadOptions>): Hook_Slack {
+    return new Hook_Slack().fromJson(jsonValue, options);
+  }
+
+  static fromJsonString(jsonString: string, options?: Partial<JsonReadOptions>): Hook_Slack {
+    return new Hook_Slack().fromJsonString(jsonString, options);
+  }
+
+  static equals(a: Hook_Slack | PlainMessage<Hook_Slack> | undefined, b: Hook_Slack | PlainMessage<Hook_Slack> | undefined): boolean {
+    return proto3.util.equals(Hook_Slack, a, b);
+  }
+}
+
 /**
  * @generated from message v1.Auth
  */
diff --git a/webui/src/components/HooksFormList.tsx b/webui/src/components/HooksFormList.tsx
index a0e45768..d8ef0a88 100644
--- a/webui/src/components/HooksFormList.tsx
+++ b/webui/src/components/HooksFormList.tsx
@@ -16,6 +16,7 @@ export interface HookFields {
   actionGotify?: any;
   actionDiscord?: any;
   actionWebhook?: any;
+  actionSlack?: any;
 }
 
 export const hooksListTooltipText = <>
@@ -143,6 +144,15 @@ const hookTypes: {
         },
         conditions: [],
       }
+    },
+    {
+      name: "Slack", template: {
+        actionSlack: {
+          webhookUrl: "",
+          template: "{{ .Summary }}",
+        },
+        conditions: [],
+      }
     }
   ];
 
@@ -152,7 +162,7 @@ const HookBuilder = ({ field }: { field: FormListFieldData }) => {
 
   if (hookData.actionDiscord) {
     return <>
-      <Form.Item name={[field.name, "actionDiscord", "webhookUrl"]} rules={[requiredField("webhook URL is required")]} >
+      <Form.Item name={[field.name, "actionDiscord", "webhookUrl"]} rules={[requiredField("webhook URL is required"), { type: "url" }]} >
         <Input addonBefore={<div style={{ width: "8em" }}>Discord Webhook</div>} />
       </Form.Item >
       Text Template:
@@ -185,6 +195,16 @@ const HookBuilder = ({ field }: { field: FormListFieldData }) => {
         <Input.TextArea style={{ width: "100%", fontFamily: "monospace" }} />
       </Form.Item>
     </>
+  } else if (hookData.actionSlack) {
+    return <>
+      <Form.Item name={[field.name, "actionSlack", "webhookUrl"]} rules={[requiredField("webhook URL is required"), { type: "url" }]} >
+        <Input addonBefore={<div style={{ width: "8em" }}>Slack Webhook</div>} />
+      </Form.Item >
+      Text Template:
+      <Form.Item name={[field.name, "actionSlack", "template"]} >
+        <Input.TextArea style={{ width: "100%", fontFamily: "monospace" }} />
+      </Form.Item >
+    </>
   } else {
     return <p>Unknown hook</p>
   }
diff --git a/webui/src/views/AddPlanModal.tsx b/webui/src/views/AddPlanModal.tsx
index c6680f6b..1d7bec73 100644
--- a/webui/src/views/AddPlanModal.tsx
+++ b/webui/src/views/AddPlanModal.tsx
@@ -358,7 +358,7 @@ export const AddPlanModal = ({
                     label: "Plan Config as JSON",
                     children: (
                       <Typography>
-                        <pre>{new Plan(form.getFieldsValue()).toJsonString({ prettySpaces: 2 })}</pre>
+                        <pre>{JSON.stringify(form.getFieldsValue(), null, 2)}</pre>
                       </Typography>
                     ),
                   },