diff --git a/src/components/DateTime.tsx b/src/components/DateTime.tsx
index 0e2ff5e..e0699b5 100644
--- a/src/components/DateTime.tsx
+++ b/src/components/DateTime.tsx
@@ -7,6 +7,7 @@
 
 import { TimeagoFormatterContext } from "@global/LocaleContext";
 import { useBooleanSetting } from "@utils/settings";
+import { criticalError } from "@utils";
 
 import dayjs from "dayjs";
 import TimeAgo from "react-timeago";
@@ -53,7 +54,7 @@
     realDate.toISOString();
   } catch (err) {
     debug("error parsing date %s", date);
-    console.error(err);
+    criticalError(err);
     return <>INVALID DATE</>;
   }
 
diff --git a/src/components/wallets/SyncWallets.tsx b/src/components/wallets/SyncWallets.tsx
index 90f7212..ea1c0e5 100644
--- a/src/components/wallets/SyncWallets.tsx
+++ b/src/components/wallets/SyncWallets.tsx
@@ -11,6 +11,8 @@
 import { syncWallets, useWallets, ADDRESS_LIST_LIMIT } from "@wallets";
 import { useContacts } from "@contacts";
 
+import { criticalError } from "@utils";
+
 import Debug from "debug";
 const debug = Debug("kristweb:sync-wallets");
 
@@ -28,7 +30,7 @@
     syncWallets()
       .then(() => debug("synced"))
       .catch(err => {
-        console.error(err);
+        criticalError(err);
         notification.error({
           message: t("syncWallets.errorMessage"),
           description: t("syncWallets.errorDescription"),
diff --git a/src/global/ForcedAuth.tsx b/src/global/ForcedAuth.tsx
index b1458de..fb5c641 100644
--- a/src/global/ForcedAuth.tsx
+++ b/src/global/ForcedAuth.tsx
@@ -7,6 +7,7 @@
 import { authMasterPassword, useMasterPassword } from "@wallets";
 
 import { useMountEffect } from "@utils/hooks";
+import { criticalError } from "@utils";
 
 async function forceAuth(t: TFunction, salt: string, tester: string): Promise<void> {
   try {
@@ -16,7 +17,7 @@
     await authMasterPassword(salt, tester, password);
     message.warning(t("masterPassword.forcedAuthWarning"));
   } catch (e) {
-    console.error(e);
+    criticalError(e);
   }
 }
 
diff --git a/src/global/LocaleContext.tsx b/src/global/LocaleContext.tsx
index edd4a55..64c8fc8 100644
--- a/src/global/LocaleContext.tsx
+++ b/src/global/LocaleContext.tsx
@@ -13,6 +13,8 @@
 import { Formatter } from "react-timeago";
 import buildFormatter from "react-timeago/lib/formatters/buildFormatter";
 
+import { criticalError } from "@utils";
+
 import Debug from "debug";
 const debug = Debug("kristweb:locale-context");
 
@@ -55,7 +57,7 @@
         debug("got dayjs locale %s", dayjsLocale);
         dayjs.locale(dayjsLocale);
       })
-      .catch(console.error);
+      .catch(criticalError);
   }, [lang, langCode, languages]);
 
   // Load the timeago locale if available
@@ -80,7 +82,7 @@
         debug("got timeago locale %s", timeagoLocale);
         setTimeagoFormatter({ formatter: buildFormatter(strings.default) });
       })
-      .catch(console.error);
+      .catch(criticalError);
   }, [lang, langCode, languages]);
 
   // Load the antd locale if available
@@ -105,7 +107,7 @@
         debug("got antd locale %s", antLocaleCode);
         setAntLocale({ locale: locale.default });
       })
-      .catch(console.error);
+      .catch(criticalError);
   }, [lang, langCode, languages]);
 
   return <TimeagoFormatterContext.Provider value={timeagoFormatter?.formatter}>
diff --git a/src/global/compat/index.ts b/src/global/compat/index.ts
index b4ed6ab..baafb95 100644
--- a/src/global/compat/index.ts
+++ b/src/global/compat/index.ts
@@ -5,6 +5,8 @@
 
 import { openCompatCheckModal } from "./CompatCheckModal";
 
+import { criticalError } from "@utils";
+
 import Debug from "debug";
 const debug = Debug("kristweb:compat-check");
 
@@ -43,7 +45,7 @@
         throw new Error("check returned false");
     } catch (err) {
       debug("compatibility check %s failed", check.name);
-      console.error(err);
+      criticalError(err);
       failed.push(check);
     }
   }
diff --git a/src/global/legacy/LegacyMigrationForm.tsx b/src/global/legacy/LegacyMigrationForm.tsx
index 6063696..45601dd 100644
--- a/src/global/legacy/LegacyMigrationForm.tsx
+++ b/src/global/legacy/LegacyMigrationForm.tsx
@@ -17,6 +17,8 @@
 import { backupVerifyPassword, backupImport } from "@pages/backup/backupImport";
 import { BackupResults } from "@pages/backup/backupResults";
 
+import { criticalError } from "@utils";
+
 import Debug from "debug";
 const debug = Debug("kristweb:legacy-migration-form");
 
@@ -81,7 +83,7 @@
         setMasterPasswordError(translateError(t, err));
       } else {
         // Any other import error
-        console.error(err);
+        criticalError(err);
         notification.error({ message: tStr("errorUnknown") });
       }
     } finally {
diff --git a/src/global/ws/SyncDetailedWork.tsx b/src/global/ws/SyncDetailedWork.tsx
index 04947b5..0358c5c 100644
--- a/src/global/ws/SyncDetailedWork.tsx
+++ b/src/global/ws/SyncDetailedWork.tsx
@@ -12,6 +12,8 @@
 import * as api from "@api";
 import { KristWorkDetailed } from "@api/types";
 
+import { criticalError } from "@utils";
+
 import Debug from "debug";
 const debug = Debug("kristweb:sync-work");
 
@@ -28,8 +30,7 @@
   const { lastBlockID } = useSelector((s: RootState) => s.node);
 
   useEffect(() => {
-    // TODO: show errors to the user?
-    updateDetailedWork().catch(console.error);
+    updateDetailedWork().catch(criticalError);
   }, [lastBlockID]);
 
   return null;
diff --git a/src/global/ws/SyncMOTD.tsx b/src/global/ws/SyncMOTD.tsx
index 4aa2c99..0e7706b 100644
--- a/src/global/ws/SyncMOTD.tsx
+++ b/src/global/ws/SyncMOTD.tsx
@@ -18,6 +18,8 @@
 } from "@wallets";
 import { useAddressPrefix } from "@utils/krist";
 
+import { criticalError } from "@utils";
+
 import Debug from "debug";
 const debug = Debug("kristweb:sync-motd");
 
@@ -65,14 +67,15 @@
   // Update the MOTD when the sync node changes, and on startup
   useEffect(() => {
     if (connectionState !== "connected") return;
-    updateMOTD().catch(console.error);
+    updateMOTD().catch(criticalError);
   }, [syncNode, connectionState]);
 
   // When the currency's address prefix changes, or our master password appears,
   // recalculate the addresses if necessary
   useEffect(() => {
     if (!addressPrefix || !masterPassword) return;
-    recalculateWallets(masterPassword, wallets, addressPrefix).catch(console.error);
+    recalculateWallets(masterPassword, wallets, addressPrefix)
+      .catch(criticalError);
   }, [addressPrefix, masterPassword, wallets]);
 
   return null;
diff --git a/src/index.tsx b/src/index.tsx
index 0e8e360..4f78bce 100644
--- a/src/index.tsx
+++ b/src/index.tsx
@@ -4,7 +4,7 @@
 import "@utils/errors";
 import "@utils/setup";
 import { i18nLoader } from "@utils/i18n";
-import { isLocalhost } from "@utils";
+import { isLocalhost, criticalError } from "@utils";
 
 import ReactDOM from "react-dom";
 
@@ -57,7 +57,7 @@
   if (err?.message === "compat checks failed") return;
 
   debug("critical error in index.tsx");
-  console.error(err);
+  criticalError(err);
 
   notification.error({
     message: "Critical error",
diff --git a/src/krist/api/AuthFailed.tsx b/src/krist/api/AuthFailed.tsx
index e78a511..a712396 100644
--- a/src/krist/api/AuthFailed.tsx
+++ b/src/krist/api/AuthFailed.tsx
@@ -9,6 +9,8 @@
 
 import { Wallet, decryptWallet, useMasterPasswordOnly } from "@wallets";
 
+import { criticalError } from "@utils";
+
 import * as api from "./";
 
 // Used to carry around information on which address failed auth
@@ -81,9 +83,9 @@
       // Perform the fetch
       api.post<AlertAPIResponse>("/addresses/alert", { privatekey })
         .then(res => setAlert(res.alert))
-        .catch(console.error)
+        .catch(criticalError)
         .finally(() => setLoading(false));
-    })().catch(console.error);
+    })().catch(criticalError);
   }, [wallet, masterPassword]);
 
   return <Spin spinning={loading}>
diff --git a/src/krist/api/lookup.ts b/src/krist/api/lookup.ts
index 248c87f..29c21e8 100644
--- a/src/krist/api/lookup.ts
+++ b/src/krist/api/lookup.ts
@@ -8,6 +8,8 @@
   LookupFilterOptionsBase, LookupResponseBase, getFilterOptionsQuery
 } from "@utils/table/table";
 
+import { criticalError } from "@utils";
+
 // =============================================================================
 // Addresses
 // =============================================================================
@@ -35,7 +37,7 @@
 
     return data.addresses;
   } catch (err) {
-    console.error(err);
+    criticalError(err);
   }
 
   return {};
diff --git a/src/krist/contacts/contactStorage.ts b/src/krist/contacts/contactStorage.ts
index 3a486f6..182dd0f 100644
--- a/src/krist/contacts/contactStorage.ts
+++ b/src/krist/contacts/contactStorage.ts
@@ -9,6 +9,7 @@
 import { Contact, ContactMap } from ".";
 import { broadcastDeleteContact } from "@global/StorageBroadcast";
 
+import * as Sentry from "@sentry/react";
 import Debug from "debug";
 const debug = Debug("kristweb:contact-storage");
 
@@ -38,7 +39,13 @@
 
     return contact;
   } catch (e) {
-    console.error(e);
+    Sentry.withScope(scope => {
+      scope.setTag("contact-id", id);
+      scope.setTag("contact-data", data);
+
+      Sentry.captureException(e);
+      console.error(e);
+    });
 
     if (e.name === "SyntaxError") // Invalid JSON
       throw new TranslatedError("masterPassword.errorStorageCorrupt");
diff --git a/src/krist/wallets/walletStorage.ts b/src/krist/wallets/walletStorage.ts
index 077aaf9..8ea7167 100644
--- a/src/krist/wallets/walletStorage.ts
+++ b/src/krist/wallets/walletStorage.ts
@@ -9,6 +9,7 @@
 import { Wallet, WalletMap } from ".";
 import { broadcastDeleteWallet } from "@global/StorageBroadcast";
 
+import * as Sentry from "@sentry/react";
 import Debug from "debug";
 const debug = Debug("kristweb:wallet-storage");
 
@@ -44,7 +45,13 @@
 
     return wallet;
   } catch (e) {
-    console.error(e);
+    Sentry.withScope(scope => {
+      scope.setTag("wallet-id", id);
+      scope.setTag("wallet-data", data);
+
+      Sentry.captureException(e);
+      console.error(e);
+    });
 
     if (e.name === "SyntaxError") // Invalid JSON
       throw new TranslatedError("masterPassword.errorStorageCorrupt");
diff --git a/src/layout/nav/Search.tsx b/src/layout/nav/Search.tsx
index f7edb31..b6d3fed 100644
--- a/src/layout/nav/Search.tsx
+++ b/src/layout/nav/Search.tsx
@@ -19,6 +19,7 @@
 
 import * as SearchResults from "./SearchResults";
 
+import * as Sentry from "@sentry/react";
 import Debug from "debug";
 const debug = Debug("kristweb:search");
 
@@ -47,8 +48,15 @@
     ]);
   } catch (err) {
     // Most likely error is `rate_limit_hit`:
-    if (err instanceof RateLimitError) onRateLimitHit();
-    else console.error(err);
+    if (err instanceof RateLimitError) {
+      onRateLimitHit();
+    } else {
+      Sentry.withScope(scope => {
+        scope.setTag("search-query", query);
+        Sentry.captureException(err);
+        console.error(err);
+      });
+    }
   }
 }
 
diff --git a/src/pages/backup/ExportBackupModal.tsx b/src/pages/backup/ExportBackupModal.tsx
index 460d9e5..4ba0ade 100644
--- a/src/pages/backup/ExportBackupModal.tsx
+++ b/src/pages/backup/ExportBackupModal.tsx
@@ -16,6 +16,8 @@
 import dayjs from "dayjs";
 import { saveAs } from "file-saver";
 
+import { criticalError } from "@utils";
+
 interface Props {
   visible?: boolean;
   setVisible: Dispatch<SetStateAction<boolean>>;
@@ -44,7 +46,7 @@
 
     backupExport()
       .then(setCode)
-      .catch(console.error);
+      .catch(criticalError);
   }, [visible, wallets]);
 
   function saveToFile() {
diff --git a/src/pages/names/mgmt/NameEditModal.tsx b/src/pages/names/mgmt/NameEditModal.tsx
index a38e0f6..e77a47d 100644
--- a/src/pages/names/mgmt/NameEditModal.tsx
+++ b/src/pages/names/mgmt/NameEditModal.tsx
@@ -77,7 +77,7 @@
   // Wrap the handleError function
   const onError = handleEditError.bind(
     handleEditError,
-    tFns, showAuthFailed, walletAddressMap
+    tFns, showAuthFailed, walletAddressMap, mode
   );
 
   // Actually perform the bulk name edit
diff --git a/src/pages/names/mgmt/checkName.ts b/src/pages/names/mgmt/checkName.ts
index 8e15108..fce8423 100644
--- a/src/pages/names/mgmt/checkName.ts
+++ b/src/pages/names/mgmt/checkName.ts
@@ -4,6 +4,7 @@
 import { Dispatch, SetStateAction } from "react";
 
 import * as api from "@api";
+import { criticalError } from "@utils";
 
 interface CheckNameResponse {
   available: boolean;
@@ -18,7 +19,7 @@
     const { available } = await api.get<CheckNameResponse>(url);
     setNameAvailable(available);
   } catch (err) {
-    console.error(err);
+    criticalError(err);
     setNameAvailable(undefined);
   }
 }
diff --git a/src/pages/names/mgmt/handleErrors.ts b/src/pages/names/mgmt/handleErrors.ts
index d287c53..851708d 100644
--- a/src/pages/names/mgmt/handleErrors.ts
+++ b/src/pages/names/mgmt/handleErrors.ts
@@ -9,12 +9,16 @@
 import { AuthFailedError, ShowAuthFailedFn } from "@api/AuthFailed";
 
 import { WalletAddressMap, Wallet } from "@wallets";
+import { Mode } from "./NameEditModal";
+
+import { criticalError } from "@utils";
 
 // Convert API errors to friendlier errors
 export async function handleEditError(
   { t, tKey, tStr, tErr }: TFns,
   showAuthFailed: ShowAuthFailedFn,
   walletAddressMap: WalletAddressMap,
+  mode: Mode,
   err: Error
 ): Promise<void> {
   const onError = (err: Error) => notification.error({
@@ -43,7 +47,7 @@
   }
 
   // Pass through any other unknown errors
-  console.error(err);
+  criticalError(err, { tags: { "name-mgmt": "edit", "name-edit": mode } });
   onError(err);
 }
 
@@ -71,6 +75,6 @@
   }
 
   // Pass through any other unknown errors
-  console.error(err);
+  criticalError(err, { tags: { "name-mgmt": "purchase" } });
   onError(err);
 }
diff --git a/src/pages/settings/translations/SettingsTranslations.tsx b/src/pages/settings/translations/SettingsTranslations.tsx
index a569e1a..ef52540 100644
--- a/src/pages/settings/translations/SettingsTranslations.tsx
+++ b/src/pages/settings/translations/SettingsTranslations.tsx
@@ -22,6 +22,8 @@
 import { SmallResult } from "@comp/results/SmallResult";
 import { SettingsPageLayout } from "../SettingsPage";
 
+import { criticalError } from "@utils";
+
 const { Title } = Typography;
 
 export function SettingsTranslations(): JSX.Element {
@@ -43,7 +45,7 @@
   useMountEffect(() => {
     analyseLanguages()
       .then(setAnalysed)
-      .catch(console.error)
+      .catch(criticalError)
       .finally(() => setLoading(false));
   });
 
diff --git a/src/pages/wallets/AddWalletModal.tsx b/src/pages/wallets/AddWalletModal.tsx
index 28e5af5..49f09a7 100644
--- a/src/pages/wallets/AddWalletModal.tsx
+++ b/src/pages/wallets/AddWalletModal.tsx
@@ -21,6 +21,8 @@
   useMasterPasswordOnly
 } from "@wallets";
 
+import { criticalError } from "@utils";
+
 const { Text } = Typography;
 const { useBreakpoint } = Grid;
 
@@ -137,7 +139,7 @@
         closeModal();
       }
     } catch (err) {
-      console.error(err);
+      criticalError(err);
       notification.error({
         message: t("addWallet.errorUnexpectedTitle"),
         description: editing
diff --git a/src/pages/whatsnew/WhatsNewPage.tsx b/src/pages/whatsnew/WhatsNewPage.tsx
index 17bebee..5334fdd 100644
--- a/src/pages/whatsnew/WhatsNewPage.tsx
+++ b/src/pages/whatsnew/WhatsNewPage.tsx
@@ -12,7 +12,7 @@
 
 import * as api from "@api";
 import { WhatsNewResponse, Commit } from "./types";
-import { getAuthorInfo } from "@utils";
+import { getAuthorInfo, criticalError } from "@utils";
 
 import { PageLayout } from "@layout/PageLayout";
 
@@ -43,7 +43,7 @@
     // Fetch the 'whats new' and commits from the Krist sync node
     api.get<WhatsNewResponse>("whatsnew")
       .then(setKristData)
-      .catch(console.error) // TODO: show errors to the user
+      .catch(criticalError) // TODO: show errors to the user
       .finally(() => setLoading(false));
   }, [syncNode]);
 
diff --git a/src/utils/errors.ts b/src/utils/errors.ts
index f48fa5d..17f4e04 100644
--- a/src/utils/errors.ts
+++ b/src/utils/errors.ts
@@ -2,6 +2,7 @@
 // This file is part of KristWeb 2 under AGPL-3.0.
 // Full details: https://github.com/tmpim/KristWeb2/blob/master/LICENSE.txt
 import * as Sentry from "@sentry/react";
+import { CaptureContext } from "@sentry/types";
 import { Integrations } from "@sentry/tracing";
 
 declare const __GIT_VERSION__: string;
@@ -17,3 +18,11 @@
   // We recommend adjusting this value in production
   tracesSampleRate: 1.0
 });
+
+export function criticalError(
+  err: Error | string,
+  captureContext?: CaptureContext
+): void {
+  Sentry.captureException(err, captureContext);
+  console.error(err);
+}
diff --git a/src/utils/index.ts b/src/utils/index.ts
index 8ab095d..d6bc2b3 100644
--- a/src/utils/index.ts
+++ b/src/utils/index.ts
@@ -1,6 +1,7 @@
 // Copyright (c) 2020-2021 Drew Lemmy
 // This file is part of KristWeb 2 under AGPL-3.0.
 // Full details: https://github.com/tmpim/KristWeb2/blob/master/LICENSE.txt
+export * from "./errors";
 export * from "./misc/credits";
 export * from "./misc/math";
 export * from "./misc/promiseThrottle";
diff --git a/src/utils/serviceWorkerRegistration.ts b/src/utils/serviceWorkerRegistration.ts
index d427c73..7c920c2 100644
--- a/src/utils/serviceWorkerRegistration.ts
+++ b/src/utils/serviceWorkerRegistration.ts
@@ -16,6 +16,7 @@
 
 import { isLocalhost } from "./";
 
+import { criticalError } from "@utils";
 import Debug from "debug";
 const debug = Debug("kristweb:service-worker");
 
@@ -116,7 +117,7 @@
       };
     })
     .catch((error) => {
-      console.error("Error during service worker registration:", error);
+      criticalError("Error during service worker registration:", error);
     });
 }
 
@@ -157,7 +158,7 @@
         registration.unregister();
       })
       .catch((error) => {
-        console.error(error.message);
+        criticalError(error.message);
       });
   }
 }