diff --git a/src/components/modals/daemon.tsx b/src/components/modals/daemon.tsx
index 7ce584b..9f701fb 100644
--- a/src/components/modals/daemon.tsx
+++ b/src/components/modals/daemon.tsx
@@ -597,7 +597,7 @@ export function DaemonSettingsModal(props: ModalState) {
         >
             <Box pos="relative">
                 <LoadingOverlay visible={fetchStatus === "fetching"} overlayBlur={2} />
-                <Tabs defaultValue="polling" mih="28rem">
+                <Tabs defaultValue="polling" mih="33rem">
                     <Tabs.List>
                         <Tabs.Tab value="polling" p="lg">Polling</Tabs.Tab>
                         <Tabs.Tab value="download" p="lg">Download</Tabs.Tab>
diff --git a/src/components/modals/interfacepanel.tsx b/src/components/modals/interfacepanel.tsx
index 08d4655..bc2b2cd 100644
--- a/src/components/modals/interfacepanel.tsx
+++ b/src/components/modals/interfacepanel.tsx
@@ -18,7 +18,7 @@
 
 import React, { useCallback, useEffect, useState } from "react";
 import type { ColorScheme } from "@mantine/core";
-import { Checkbox, Grid, MultiSelect, NativeSelect, NumberInput, Textarea, useMantineTheme } from "@mantine/core";
+import { Box, Checkbox, Grid, HoverCard, MultiSelect, NativeSelect, NumberInput, Text, Textarea, useMantineTheme } from "@mantine/core";
 import type { UseFormReturnType } from "@mantine/form";
 import ColorChooser from "components/colorchooser";
 import { useGlobalStyleOverrides } from "themehooks";
@@ -26,6 +26,7 @@ import { DeleteTorrentDataOptions } from "config";
 import type { ColorSetting, DeleteTorrentDataOption, StyleOverrides } from "config";
 import { ColorSchemeToggle } from "components/miscbuttons";
 import { Label } from "./common";
+import * as Icon from "react-bootstrap-icons";
 const { TAURI, invoke } = await import(/* webpackChunkName: "taurishim" */"taurishim");
 
 export interface InterfaceFormValues {
@@ -39,6 +40,7 @@ export interface InterfaceFormValues {
         numLastSaveDirs: number,
         sortLastSaveDirs: boolean,
         preconfiguredLabels: string[],
+        ignoredTrackerPrefixes: string[],
         defaultTrackers: string[],
     },
 }
@@ -59,7 +61,7 @@ export function InterfaceSettigsPanel<V extends InterfaceFormValues>(props: { fo
         }
     }, []);
 
-    const { setFieldValue } = props.form as unknown as UseFormReturnType<InterfaceFormValues>;
+    const { setFieldValue, setFieldError, clearFieldError } = props.form as unknown as UseFormReturnType<InterfaceFormValues>;
 
     useEffect(() => {
         setFieldValue("interface.theme", theme.colorScheme);
@@ -101,6 +103,17 @@ export function InterfaceSettigsPanel<V extends InterfaceFormValues>(props: { fo
         setFieldValue("interface.preconfiguredLabels", labels);
     }, [setFieldValue]);
 
+    const setIgnoredTrackerPrefixes = useCallback((prefixes: string[]) => {
+        try {
+            // eslint-disable-next-line @typescript-eslint/no-unused-vars
+            const _ = new RegExp(`^(?<prefix>(${prefixes.join("|")})\\d*)\\.[^.]+\\.[^.]+$`, "i");
+            setFieldValue("interface.ignoredTrackerPrefixes", prefixes);
+            clearFieldError("interface.ignoredTrackerPrefixes");
+        } catch (SyntaxError) {
+            setFieldError("interface.ignoredTrackerPrefixes", "Invalid regex");
+        }
+    }, [setFieldValue, setFieldError, clearFieldError]);
+
     return (
         <Grid align="center">
             <Grid.Col span={1}>
@@ -161,7 +174,20 @@ export function InterfaceSettigsPanel<V extends InterfaceFormValues>(props: { fo
                     data={props.form.values.interface.preconfiguredLabels}
                     value={props.form.values.interface.preconfiguredLabels}
                     onChange={setPreconfiguredLabels}
-                    label="Preconfigured labels"
+                    label={<Box>
+                        <span>Preconfigured labels</span>
+                        <HoverCard width={280} shadow="md">
+                            <HoverCard.Target>
+                                <Icon.Question />
+                            </HoverCard.Target>
+                            <HoverCard.Dropdown>
+                                <Text size="sm">
+                                    These labels will always be present in the suggestions list
+                                    and filters even if no existing torrents have them.
+                                </Text>
+                            </HoverCard.Dropdown>
+                        </HoverCard>
+                    </Box>}
                     withinPortal
                     searchable
                     creatable
@@ -173,6 +199,39 @@ export function InterfaceSettigsPanel<V extends InterfaceFormValues>(props: { fo
                     valueComponent={Label}
                 />
             </Grid.Col>
+            <Grid.Col>
+                <MultiSelect
+                    data={props.form.values.interface.ignoredTrackerPrefixes}
+                    value={props.form.values.interface.ignoredTrackerPrefixes}
+                    onChange={setIgnoredTrackerPrefixes}
+                    label={<Box>
+                        <span>Ignored tracker prefixes</span>
+                        <HoverCard width={380} shadow="md">
+                            <HoverCard.Target>
+                                <Icon.Question />
+                            </HoverCard.Target>
+                            <HoverCard.Dropdown>
+                                <Text size="sm">
+                                    When subdomain of the tracker looks like one of these strings + (optional) digits,
+                                    it will be omitted. This affects grouping in filters and display in table columns.
+                                    You can use regex here for more advanced filtering, the list will be combined
+                                    using &quot;|&quot;.
+                                </Text>
+                            </HoverCard.Dropdown>
+                        </HoverCard>
+                    </Box>}
+                    withinPortal
+                    searchable
+                    creatable
+                    error={props.form.errors["interface.ignoredTrackerPrefixes"]}
+                    getCreateLabel={(query) => `+ Add ${query}`}
+                    onCreate={(query) => {
+                        setIgnoredTrackerPrefixes([...props.form.values.interface.ignoredTrackerPrefixes, query]);
+                        return query;
+                    }}
+                    valueComponent={Label}
+                />
+            </Grid.Col>
             <Grid.Col>
                 <Textarea minRows={6}
                     label="Default tracker list"
diff --git a/src/components/modals/settings.tsx b/src/components/modals/settings.tsx
index fabc362..aa8dd79 100644
--- a/src/components/modals/settings.tsx
+++ b/src/components/modals/settings.tsx
@@ -173,7 +173,7 @@ function ServerPanel(props: ServerPanelProps) {
                             setMappingsString(e.target.value);
                         }}
                         value={mappingsString}
-                        minRows={4}
+                        minRows={7}
                     />
                 </Grid.Col>
             </Grid>
@@ -352,15 +352,15 @@ export function AppSettingsModal(props: AppSettingsModalProps) {
             title="Application Settings"
         >
             <form>
-                <Tabs mih="25rem" defaultValue="servers">
+                <Tabs mih="33rem" defaultValue="servers">
                     <Tabs.List>
                         <Tabs.Tab value="servers" p="lg">Servers</Tabs.Tab>
                         <Tabs.Tab value="integrations" p="lg">Integrations</Tabs.Tab>
                         {TAURI && <Tabs.Tab value="interface" p="lg">Interface</Tabs.Tab>}
                     </Tabs.List>
 
-                    <Tabs.Panel value="servers" pt="md" mih="24rem">
-                        <Flex h="100%" gap="0.5rem" mih="24rem">
+                    <Tabs.Panel value="servers" pt="md">
+                        <Flex h="100%" gap="0.5rem" mih="28rem">
                             <ServerListPanel form={form} current={currentServerIndex} setCurrent={setCurrentServerIndex} />
                             {currentServerIndex === -1
                                 ? <></>
@@ -368,11 +368,11 @@ export function AppSettingsModal(props: AppSettingsModalProps) {
                         </Flex>
                     </Tabs.Panel>
 
-                    <Tabs.Panel value="integrations" pt="md" mih="24rem">
+                    <Tabs.Panel value="integrations" pt="md">
                         <IntegrationsPanel form={form} />
                     </Tabs.Panel>
 
-                    {TAURI && <Tabs.Panel value="interface" pt="md" mih="24rem">
+                    {TAURI && <Tabs.Panel value="interface" pt="md">
                         <InterfaceSettigsPanel form={form} />
                     </Tabs.Panel>}
                 </Tabs>
diff --git a/src/config.ts b/src/config.ts
index dae00f8..4d7622b 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -158,6 +158,7 @@ interface Settings {
         numLastSaveDirs: number,
         sortLastSaveDirs: boolean,
         preconfiguredLabels: string[],
+        ignoredTrackerPrefixes: string[],
         defaultTrackers: string[],
         styleOverrides: StyleOverrides,
         progressbarStyle?: string, // deprecated
@@ -280,6 +281,7 @@ const DefaultSettings: Settings = {
         numLastSaveDirs: 20,
         sortLastSaveDirs: false,
         preconfiguredLabels: [],
+        ignoredTrackerPrefixes: ["t", "tr", "tk", "tracker", "bt", "open", "opentracker"],
         defaultTrackers: [...DefaultTrackerList],
         styleOverrides: {
             dark: {},
diff --git a/src/queries.ts b/src/queries.ts
index e8b1940..5a3d8d8 100644
--- a/src/queries.ts
+++ b/src/queries.ts
@@ -50,6 +50,12 @@ const BandwidthGroupKeys = {
     all: (server: string) => [server, "bandwidth-group"] as const,
 };
 
+function useIgnoredTrackerPrefixesRe() {
+    const config = useContext(ConfigContext);
+    return useMemo(() => new RegExp(`^(?<prefix>(${config.values.interface.ignoredTrackerPrefixes.join("|")})\\d*)\\.[^.]+\\.[^.]+$`, "i"),
+        [config.values.interface.ignoredTrackerPrefixes]);
+}
+
 export function useTorrentList(enabled: boolean, fields: TorrentFieldsType[]) {
     const serverConfig = useContext(ServerConfigContext);
     const client = useTransmissionClient();
@@ -78,6 +84,8 @@ export function useTorrentList(enabled: boolean, fields: TorrentFieldsType[]) {
         ? serverConfig.intervals.torrentsMinimized
         : serverConfig.intervals.torrents);
 
+    const prefixesRe = useIgnoredTrackerPrefixesRe();
+
     return useQuery({
         queryKey: TorrentKeys.listAll(serverConfig.name, fields),
         refetchInterval,
@@ -87,8 +95,8 @@ export function useTorrentList(enabled: boolean, fields: TorrentFieldsType[]) {
         queryFn: useCallback(async () => {
             const torrents = await client.getTorrents(fields);
             return await Promise.all(torrents.map(
-                async (t: TorrentBase) => await processTorrent(t, false, client)));
-        }, [client, fields]),
+                async (t: TorrentBase) => await processTorrent(t, false, prefixesRe, client)));
+        }, [client, fields, prefixesRe]),
     });
 }
 
@@ -96,14 +104,16 @@ export function useTorrentDetails(torrentId: number, enabled: boolean, lookupIps
     const serverConfig = useContext(ServerConfigContext);
     const client = useTransmissionClient();
 
+    const prefixesRe = useIgnoredTrackerPrefixesRe();
+
     return useQuery({
         queryKey: TorrentKeys.details(serverConfig.name, torrentId),
         refetchInterval: disableRefetch === true ? false : 1000 * serverConfig.intervals.details,
         staleTime: 1000 * 5,
         enabled,
         queryFn: useCallback(async () => {
-            return await processTorrent(await client.getTorrentDetails(torrentId), TAURI && lookupIps, client);
-        }, [client, torrentId, lookupIps]),
+            return await processTorrent(await client.getTorrentDetails(torrentId), TAURI && lookupIps, prefixesRe, client);
+        }, [client, torrentId, lookupIps, prefixesRe]),
     });
 }
 
diff --git a/src/rpc/torrent.ts b/src/rpc/torrent.ts
index b2f1875..227f3b4 100644
--- a/src/rpc/torrent.ts
+++ b/src/rpc/torrent.ts
@@ -80,16 +80,15 @@ function getTrackerStatus(torrent: TorrentBase): string {
 }
 
 const portRe = /:\d+$/;
-const prefixRe = /^((t|tr|tk|tracker|bt|open|opentracker)\d*)\.[^.]+\.[^.]+$/;
 const httpRe = /^https?:\/\//;
 
-function getTorrentMainTracker(t: TorrentBase): string {
+function getTorrentMainTracker(t: TorrentBase, ignoredPrefixesRe: RegExp): string {
     if (t.trackerStats.length === 0) return "<No trackers>";
     let host = t.trackerStats[0].host as string;
     const portMatch = portRe.exec(host);
     if (portMatch != null) host = host.substring(0, portMatch.index);
-    const prefixMatch = prefixRe.exec(host);
-    if (prefixMatch != null) host = host.substring(prefixMatch[1].length + 1);
+    const prefixMatch = ignoredPrefixesRe.exec(host);
+    if (prefixMatch?.groups !== undefined) host = host.substring(prefixMatch.groups.prefix.length + 1);
     const httpMatch = httpRe.exec(host);
     if (httpMatch != null) host = host.substring(httpMatch[0].length);
     return host;
@@ -109,7 +108,7 @@ function getPeersTotal(t: TorrentBase) {
     return peers;
 }
 
-export async function processTorrent(t: TorrentBase, lookupIps: boolean, client: TransmissionClient): Promise<Torrent> {
+export async function processTorrent(t: TorrentBase, lookupIps: boolean, ignoredPrefixesRe: RegExp, client: TransmissionClient): Promise<Torrent> {
     const peers = t.peers === undefined
         ? undefined
         : await Promise.all(t.peers.map(async (p: PeerStatsBase) => await processPeerStats(p, lookupIps, client)));
@@ -119,7 +118,7 @@ export async function processTorrent(t: TorrentBase, lookupIps: boolean, client:
         downloadDir: (t.downloadDir as string).replaceAll("\\", "/"),
         cachedError: getTorrentError(t),
         cachedTrackerStatus: getTrackerStatus(t),
-        cachedMainTracker: getTorrentMainTracker(t),
+        cachedMainTracker: getTorrentMainTracker(t, ignoredPrefixesRe),
         cachedSeedsTotal: getSeedsTotal(t),
         cachedPeersTotal: getPeersTotal(t),
         peers,