diff --git a/src/components/gui/export/export-result-button.tsx b/src/components/gui/export/export-result-button.tsx
index 1085ed20..df5f2359 100644
--- a/src/components/gui/export/export-result-button.tsx
+++ b/src/components/gui/export/export-result-button.tsx
@@ -4,7 +4,6 @@ import OptimizeTableState, {
   TableSelectionRange,
 } from "../table-optimized/OptimizeTableState";
 import { useCallback, useEffect, useMemo, useState } from "react";
-import { getFormatHandlers } from "@/components/lib/export-helper";
 import { RadioGroup, RadioGroupItem } from "@/components/ui/radio-group";
 import {
   Select,
@@ -14,6 +13,7 @@ import {
   SelectValue,
 } from "@/components/ui/select";
 import { Label } from "@/components/ui/label";
+import { getFormatHandlers } from "@/lib/export-helper";
 
 export type ExportTarget = "clipboard" | "file";
 type ExportFormat = "csv" | "delimited" | "json" | "sql" | "xlsx";
diff --git a/src/components/gui/query-progress-log.tsx b/src/components/gui/query-progress-log.tsx
index 508d1690..1e5baf1c 100644
--- a/src/components/gui/query-progress-log.tsx
+++ b/src/components/gui/query-progress-log.tsx
@@ -1,8 +1,8 @@
-import { MultipleQueryProgress } from "@/components/lib/multiple-query";
 import { useEffect, useState } from "react";
 import CodePreview from "./code-preview";
 import ResultStats from "./result-stat";
-import isEmptyResultStats from "@/components/lib/empty-stats";
+import { MultipleQueryProgress } from "@/lib/sql/multiple-query";
+import isEmptyResultStats from "@/lib/empty-state";
 
 function formatTimeAgo(ms: number) {
   if (ms < 1000) {
diff --git a/src/components/gui/schema-editor/index.tsx b/src/components/gui/schema-editor/index.tsx
index 88e4f3cf..2cc81146 100644
--- a/src/components/gui/schema-editor/index.tsx
+++ b/src/components/gui/schema-editor/index.tsx
@@ -4,7 +4,6 @@ import { Dispatch, SetStateAction, useCallback, useMemo } from "react";
 import { Button, buttonVariants } from "../../ui/button";
 import SchemaEditorColumnList from "./schema-editor-column-list";
 import { Input } from "../../ui/input";
-import { checkSchemaChange } from "@/components/lib/sql-generate.schema";
 import SchemaEditorConstraintList from "./schema-editor-constraint-list";
 import { ColumnsProvider } from "./column-provider";
 import { Popover, PopoverContent, PopoverTrigger } from "../../ui/popover";
@@ -13,6 +12,7 @@ import { toast } from "sonner";
 import { DatabaseTableSchemaChange } from "@/drivers/base-driver";
 import { useDatabaseDriver } from "@/context/driver-provider";
 import SchemaNameSelect from "./schema-name-select";
+import { checkSchemaChange } from "@/lib/sql/sql-generate.schema";
 
 interface Props {
   onSave: () => void;
diff --git a/src/components/gui/schema-editor/schema-editor-column-list.tsx b/src/components/gui/schema-editor/schema-editor-column-list.tsx
index d56946ff..d30858f5 100644
--- a/src/components/gui/schema-editor/schema-editor-column-list.tsx
+++ b/src/components/gui/schema-editor/schema-editor-column-list.tsx
@@ -18,7 +18,6 @@ import {
 import { CSS } from "@dnd-kit/utilities";
 import { Checkbox } from "@/components/ui/checkbox";
 import ColumnDefaultValueInput from "./column-default-value-input";
-import { checkSchemaColumnChange } from "@/components/lib/sql-generate.schema";
 import {
   DatabaseTableColumn,
   DatabaseTableColumnChange,
@@ -43,6 +42,7 @@ import { restrictToVerticalAxis } from "@dnd-kit/modifiers";
 import { useDatabaseDriver } from "@/context/driver-provider";
 import ColumnTypeSelector from "./column-type-selector";
 import ColumnCollation from "./column-collation";
+import { checkSchemaColumnChange } from "@/lib/sql/sql-generate.schema";
 
 export type ColumnChangeEvent = (
   newValue: Partial<DatabaseTableColumn> | null
diff --git a/src/components/gui/sortable-tab.tsx b/src/components/gui/sortable-tab.tsx
index d4bbb669..1e3d9327 100644
--- a/src/components/gui/sortable-tab.tsx
+++ b/src/components/gui/sortable-tab.tsx
@@ -4,7 +4,7 @@ import { WindowTabItemProps } from "./windows-tab";
 import { cn } from "@/lib/utils";
 import { forwardRef } from "react";
 import { ButtonProps } from "../ui/button";
-import { CSS } from "../lib/dnd-kit";
+import { CSS } from "@/lib/dnd-kit";
 
 interface SortableTabProps {
   tab: WindowTabItemProps;
diff --git a/src/components/gui/table-optimized/OptimizeTableState.tsx b/src/components/gui/table-optimized/OptimizeTableState.tsx
index 218acfd0..8f775ad9 100644
--- a/src/components/gui/table-optimized/OptimizeTableState.tsx
+++ b/src/components/gui/table-optimized/OptimizeTableState.tsx
@@ -1,4 +1,3 @@
-import { selectArrayFromIndexList } from "@/components/lib/export-helper";
 import { OptimizeTableHeaderProps } from ".";
 import { LucideKey, LucideKeySquare, LucideSigma } from "lucide-react";
 import {
@@ -10,6 +9,7 @@ import {
 import { ReactElement } from "react";
 import deepEqual from "deep-equal";
 import { formatNumber } from "@/lib/convertNumber";
+import { selectArrayFromIndexList } from "@/lib/export-helper";
 
 export interface OptimizeTableRowValue {
   raw: Record<string, unknown>;
diff --git a/src/components/gui/table-result/context-menu.tsx b/src/components/gui/table-result/context-menu.tsx
index 0f8db49c..627d1484 100644
--- a/src/components/gui/table-result/context-menu.tsx
+++ b/src/components/gui/table-result/context-menu.tsx
@@ -6,7 +6,7 @@ import {
   exportRowsToExcel,
   exportRowsToJson,
   exportRowsToSqlInsert,
-} from "@/components/lib/export-helper";
+} from "@/lib/export-helper";
 import { LucidePlus, LucideTrash2 } from "lucide-react";
 import TableStateActions from "../table-optimized/table-state-actions";
 import { openContextMenuFromEvent } from "@/core/channel-builtin";
diff --git a/src/components/gui/tabs-result/query-result-tab.tsx b/src/components/gui/tabs-result/query-result-tab.tsx
index 5cc51790..096acf62 100644
--- a/src/components/gui/tabs-result/query-result-tab.tsx
+++ b/src/components/gui/tabs-result/query-result-tab.tsx
@@ -1,11 +1,11 @@
 import { useMemo } from "react";
-import { MultipleQueryResult } from "../../lib/multiple-query";
 import ExportResultButton from "../export/export-result-button";
 import ResultTable from "../query-result-table";
 import ResultStats from "../result-stat";
 import OptimizeTableState from "../table-optimized/OptimizeTableState";
 import { useDatabaseDriver } from "@/context/driver-provider";
 import AggregateResultButton from "../aggregate-result/aggregate-result-button";
+import { MultipleQueryResult } from "@/lib/sql/multiple-query";
 
 export default function QueryResult({
   result,
diff --git a/src/components/gui/tabs/query-tab.tsx b/src/components/gui/tabs/query-tab.tsx
index 28ce784e..be0ec566 100644
--- a/src/components/gui/tabs/query-tab.tsx
+++ b/src/components/gui/tabs/query-tab.tsx
@@ -20,7 +20,7 @@ import {
   MultipleQueryProgress,
   MultipleQueryResult,
   multipleQuery,
-} from "@/components/lib/multiple-query";
+} from "@/lib/sql/multiple-query";
 import WindowTabs, { useTabsContext, WindowTabItemProps } from "../windows-tab";
 import QueryResult from "../tabs-result/query-result-tab";
 import { useSchema } from "@/context/schema-provider";
diff --git a/src/components/gui/tabs/schema-editor-tab.tsx b/src/components/gui/tabs/schema-editor-tab.tsx
index f22a6dbc..872c4fe5 100644
--- a/src/components/gui/tabs/schema-editor-tab.tsx
+++ b/src/components/gui/tabs/schema-editor-tab.tsx
@@ -4,7 +4,7 @@ import { useDatabaseDriver } from "@/context/driver-provider";
 import SchemaSaveDialog from "../schema-editor/schema-save-dialog";
 import { DatabaseTableSchemaChange } from "@/drivers/base-driver";
 import SchemaEditor from "../schema-editor";
-import { createTableSchemaDraft } from "@/components/lib/sql-generate.schema";
+import { createTableSchemaDraft } from "@/lib/sql/sql-generate.schema";
 import { cloneDeep } from "lodash";
 
 interface SchemaEditorTabProps {
diff --git a/src/components/gui/tabs/table-data-tab.tsx b/src/components/gui/tabs/table-data-tab.tsx
index af6ecc7a..e4da2c69 100644
--- a/src/components/gui/tabs/table-data-tab.tsx
+++ b/src/components/gui/tabs/table-data-tab.tsx
@@ -16,7 +16,7 @@ import {
   TooltipContent,
   TooltipTrigger,
 } from "@/components/ui/tooltip";
-import { commitChange } from "@/components/lib/sql-execute-helper";
+import { commitChange } from "@/lib/sql/sql-execute-helper";
 import {
   AlertDialog,
   AlertDialogAction,
diff --git a/src/components/gui/windows-tab.tsx b/src/components/gui/windows-tab.tsx
index 58961f86..7d2be446 100644
--- a/src/components/gui/windows-tab.tsx
+++ b/src/components/gui/windows-tab.tsx
@@ -29,7 +29,7 @@ import {
   DropdownMenuItem,
   DropdownMenuTrigger,
 } from "../ui/dropdown-menu";
-import { restrictToHorizontalAxis } from "../lib/dnd-kit";
+import { restrictToHorizontalAxis } from "@/lib/dnd-kit";
 
 export interface WindowTabItemProps {
   component: JSX.Element;
diff --git a/src/components/lib/api-database-response.ts b/src/components/lib/api-database-response.ts
deleted file mode 100644
index 52d488cb..00000000
--- a/src/components/lib/api-database-response.ts
+++ /dev/null
@@ -1,25 +0,0 @@
-export interface ApiRole {
-  id: string;
-  name: string;
-}
-
-export interface ApiUser {
-  id: string;
-  name: string;
-}
-
-export interface ApiUserRole {
-  id: string;
-  name: string;
-  role: ApiRole;
-  createdAt: number;
-  assignedBy: ApiUser;
-}
-
-export interface ApiRolesResponse {
-  roles: ApiRole[];
-}
-
-export interface ApiUserListResponse {
-  users: ApiUserRole[];
-}
diff --git a/src/components/lib/bit-operation.ts b/src/components/lib/bit-operation.ts
deleted file mode 100644
index cf81910d..00000000
--- a/src/components/lib/bit-operation.ts
+++ /dev/null
@@ -1,15 +0,0 @@
-const byteToHex: string[] = [];
-
-for (let n = 0; n <= 0xff; ++n) {
-  const hexOctet = n.toString(16).padStart(2, "0");
-  byteToHex.push(hexOctet.toUpperCase());
-}
-
-// https://stackoverflow.com/questions/40031688/javascript-arraybuffer-to-hex
-export function hex(arrayBuffer: ArrayBuffer) {
-  const buff = new Uint8Array(arrayBuffer);
-  let hexOctets = "";
-
-  for (const b of buff) hexOctets += byteToHex[b];
-  return hexOctets;
-}
diff --git a/src/components/lib/json-safe.ts b/src/components/lib/json-safe.ts
deleted file mode 100644
index 3adc2eb6..00000000
--- a/src/components/lib/json-safe.ts
+++ /dev/null
@@ -1,13 +0,0 @@
-export default function parseSafeJson<T = unknown>(
-  str: string | null | undefined,
-  defaultValue: T
-): T {
-  if (!str) return defaultValue;
-
-  try {
-    // eslint-disable-next-line @typescript-eslint/no-unsafe-return
-    return JSON.parse(str);
-  } catch {
-    return defaultValue;
-  }
-}
diff --git a/src/components/lib/key-matcher.ts b/src/components/lib/key-matcher.ts
deleted file mode 100644
index 626263b4..00000000
--- a/src/components/lib/key-matcher.ts
+++ /dev/null
@@ -1,79 +0,0 @@
-interface KeyMatcherProps {
-  ctrl?: boolean;
-  key?: string;
-  shift?: boolean;
-}
-
-export default class KeyMatcher {
-  protected key: KeyMatcherProps;
-
-  constructor(props: KeyMatcherProps) {
-    this.key = props;
-  }
-
-  static capture(e: KeyboardEvent | React.KeyboardEvent) {
-    const isCtrlKey = e.ctrlKey || e.metaKey;
-
-    let key: string | undefined = e.key;
-
-    if (key === "Shift") key = undefined;
-    if (key === "Control") key = undefined;
-
-    return new KeyMatcher({
-      ctrl: isCtrlKey,
-      shift: e.shiftKey,
-      key,
-    });
-  }
-
-  match(e: KeyboardEvent | React.KeyboardEvent<HTMLDivElement>) {
-    let isMatched = true;
-    const isCtrlKey = e.ctrlKey || e.metaKey;
-
-    if (this.key.ctrl && !isCtrlKey) {
-      isMatched = false;
-    }
-
-    if (this.key.key && e.key !== this.key.key) {
-      isMatched = false;
-    }
-
-    if (this.key.shift && !e.shiftKey) {
-      isMatched = false;
-    }
-
-    return isMatched;
-  }
-
-  toJson(): KeyMatcherProps {
-    return { ...this.key };
-  }
-
-  toString() {
-    const isMac = navigator.userAgent.toLowerCase().indexOf("mac") > -1;
-    return [
-      this.key.ctrl ? (isMac ? "⌘" : "Ctrl") : undefined,
-      this.key.shift ? "Shift" : undefined,
-      this.key?.key?.toUpperCase(),
-    ]
-      .filter(Boolean)
-      .join(" + ");
-  }
-
-  toCodeMirrorKey() {
-    const isMac = navigator.userAgent.toLowerCase().indexOf("mac") > -1;
-    return [
-      this.key.ctrl ? (isMac ? "Cmd" : "Ctrl") : undefined,
-      this.key.shift ? "Shift" : undefined,
-      this.key?.key,
-    ]
-      .filter(Boolean)
-      .join("-");
-  }
-}
-
-export const KEY_BINDING = {
-  run: new KeyMatcher({ ctrl: true, key: "Enter" }),
-  copy: new KeyMatcher({ ctrl: true, key: "c" }),
-  paste: new KeyMatcher({ ctrl: true, key: "v" }),
-};
diff --git a/src/components/lib/validation.ts b/src/components/lib/validation.ts
deleted file mode 100644
index 5de96ab5..00000000
--- a/src/components/lib/validation.ts
+++ /dev/null
@@ -1,79 +0,0 @@
-import type {
-  DatabaseTableOperation,
-  DatabaseTableSchema,
-} from "@/drivers/base-driver";
-
-export function validateOperation(
-  op: DatabaseTableOperation,
-  validateSchema: DatabaseTableSchema
-): { valid: boolean; reason?: string } {
-  const operation = op.operation;
-  const primaryKey = validateSchema.pk;
-  const originalValue = op.operation !== "INSERT" ? op.where : {};
-  const changeValue = op.operation !== "DELETE" ? op.values : {};
-  const autoIncrement = validateSchema.autoIncrement;
-
-  const hasAnyPrimaryKeyNull = primaryKey
-    .map((pkColumnName) => originalValue[pkColumnName])
-    .some((value) => value === null || value === undefined);
-
-  const hasAnyUpdatePrimaryKeyNull = primaryKey
-    .map((pkColumnName) =>
-      changeValue[pkColumnName] === undefined
-        ? originalValue[pkColumnName]
-        : changeValue[pkColumnName]
-    )
-    .some((value) => value === null || value === undefined);
-
-  if (primaryKey.length === 0) {
-    return {
-      valid: false,
-      reason:
-        "This table does not have any primary key. It is not safe to perform any update/delete/insert operation.",
-    };
-  }
-
-  if (operation === "DELETE") {
-    if (hasAnyPrimaryKeyNull)
-      return {
-        valid: false,
-        reason: "It is not safe to remove row with NULL in primary key column",
-      };
-  } else if (operation === "UPDATE") {
-    if (hasAnyPrimaryKeyNull) {
-      return {
-        valid: false,
-        reason: "It is not safe to update row with NULL in primary key column",
-      };
-    } else if (hasAnyUpdatePrimaryKeyNull) {
-      return {
-        valid: false,
-        reason: "It is not safe to update row to NULL in primary key column",
-      };
-    }
-  } else {
-    // If it is INSERT operation and also have auto increment
-    if (autoIncrement && primaryKey[0] && changeValue[primaryKey[0]] === null) {
-      return {
-        valid: false,
-        reason: "It is not safe to insert row with NULL in primary key column",
-      };
-    } else if (!autoIncrement && hasAnyUpdatePrimaryKeyNull) {
-      return {
-        valid: false,
-        reason: "It is not safe to insert row with NULL in primary key column",
-      };
-    }
-  }
-
-  return { valid: true };
-}
-
-export function isLinkString(str: string) {
-  if (str.length > 200) return false;
-  try {
-    return Boolean(new URL(str));
-  } catch {
-    return false;
-  }
-}
diff --git a/src/drivers/common-sql-imp.ts b/src/drivers/common-sql-imp.ts
index d807676d..4cee75ed 100644
--- a/src/drivers/common-sql-imp.ts
+++ b/src/drivers/common-sql-imp.ts
@@ -1,4 +1,4 @@
-import { validateOperation } from "@/components/lib/validation";
+import { validateOperation } from "@/lib/validation";
 import {
   BaseDriver,
   DatabaseResultSet,
diff --git a/src/drivers/sqlite/sqlite-generate-schema.test.ts b/src/drivers/sqlite/sqlite-generate-schema.test.ts
index ca4b1c54..125f92b0 100644
--- a/src/drivers/sqlite/sqlite-generate-schema.test.ts
+++ b/src/drivers/sqlite/sqlite-generate-schema.test.ts
@@ -1,7 +1,7 @@
-import { createTableSchemaDraft } from "@/components/lib/sql-generate.schema";
 import { parseCreateTableScript } from "./sql-parse-table";
 import { produce } from "immer";
 import generateSqlSchemaChange from "./sqlite-generate-schema";
+import { createTableSchemaDraft } from "@/lib/sql/sql-generate.schema";
 
 function c(sql: string) {
   return createTableSchemaDraft("main", parseCreateTableScript("main", sql));
diff --git a/src/components/lib/dnd-kit.ts b/src/lib/dnd-kit.ts
similarity index 100%
rename from src/components/lib/dnd-kit.ts
rename to src/lib/dnd-kit.ts
diff --git a/src/components/lib/empty-stats.ts b/src/lib/empty-state.ts
similarity index 100%
rename from src/components/lib/empty-stats.ts
rename to src/lib/empty-state.ts
diff --git a/src/components/lib/export-helper.ts b/src/lib/export-helper.ts
similarity index 96%
rename from src/components/lib/export-helper.ts
rename to src/lib/export-helper.ts
index c46c79ea..28db6fa3 100644
--- a/src/components/lib/export-helper.ts
+++ b/src/lib/export-helper.ts
@@ -1,16 +1,12 @@
+import { ExportOptions, ExportSelection, ExportTarget } from "@/components/gui/export/export-result-button";
+import OptimizeTableState from "@/components/gui/table-optimized/OptimizeTableState";
+import { getSingleTableName } from "@/components/gui/tabs/query-tab";
 import {
   escapeDelimitedValue,
   escapeIdentity,
   escapeSqlValue,
 } from "@/drivers/sqlite/sql-helper";
-import OptimizeTableState from "../gui/table-optimized/OptimizeTableState";
-import {
-  ExportOptions,
-  ExportSelection,
-  ExportTarget,
-} from "../gui/export/export-result-button";
 import { toast } from "sonner";
-import { getSingleTableName } from "../gui/tabs/query-tab";
 
 export function selectArrayFromIndexList<T = unknown>(
   data: T[],
diff --git a/src/components/lib/internal-pubsub.ts b/src/lib/internal-pubsub.ts
similarity index 100%
rename from src/components/lib/internal-pubsub.ts
rename to src/lib/internal-pubsub.ts
diff --git a/src/components/lib/multiple-query.ts b/src/lib/sql/multiple-query.ts
similarity index 100%
rename from src/components/lib/multiple-query.ts
rename to src/lib/sql/multiple-query.ts
diff --git a/src/components/lib/sql-execute-helper.ts b/src/lib/sql/sql-execute-helper.ts
similarity index 100%
rename from src/components/lib/sql-execute-helper.ts
rename to src/lib/sql/sql-execute-helper.ts
diff --git a/src/components/lib/sql-generate.schema.ts b/src/lib/sql/sql-generate.schema.ts
similarity index 100%
rename from src/components/lib/sql-generate.schema.ts
rename to src/lib/sql/sql-generate.schema.ts
diff --git a/src/components/lib/validation.test.ts b/src/lib/validation.test.ts
similarity index 100%
rename from src/components/lib/validation.test.ts
rename to src/lib/validation.test.ts
diff --git a/src/lib/validation.ts b/src/lib/validation.ts
index eaefbbd6..f6437cf9 100644
--- a/src/lib/validation.ts
+++ b/src/lib/validation.ts
@@ -1,3 +1,74 @@
+import type {
+  DatabaseTableOperation,
+  DatabaseTableSchema,
+} from "@/drivers/base-driver";
+
+export function validateOperation(
+  op: DatabaseTableOperation,
+  validateSchema: DatabaseTableSchema
+): { valid: boolean; reason?: string } {
+  const operation = op.operation;
+  const primaryKey = validateSchema.pk;
+  const originalValue = op.operation !== "INSERT" ? op.where : {};
+  const changeValue = op.operation !== "DELETE" ? op.values : {};
+  const autoIncrement = validateSchema.autoIncrement;
+
+  const hasAnyPrimaryKeyNull = primaryKey
+    .map((pkColumnName) => originalValue[pkColumnName])
+    .some((value) => value === null || value === undefined);
+
+  const hasAnyUpdatePrimaryKeyNull = primaryKey
+    .map((pkColumnName) =>
+      changeValue[pkColumnName] === undefined
+        ? originalValue[pkColumnName]
+        : changeValue[pkColumnName]
+    )
+    .some((value) => value === null || value === undefined);
+
+  if (primaryKey.length === 0) {
+    return {
+      valid: false,
+      reason:
+        "This table does not have any primary key. It is not safe to perform any update/delete/insert operation.",
+    };
+  }
+
+  if (operation === "DELETE") {
+    if (hasAnyPrimaryKeyNull)
+      return {
+        valid: false,
+        reason: "It is not safe to remove row with NULL in primary key column",
+      };
+  } else if (operation === "UPDATE") {
+    if (hasAnyPrimaryKeyNull) {
+      return {
+        valid: false,
+        reason: "It is not safe to update row with NULL in primary key column",
+      };
+    } else if (hasAnyUpdatePrimaryKeyNull) {
+      return {
+        valid: false,
+        reason: "It is not safe to update row to NULL in primary key column",
+      };
+    }
+  } else {
+    // If it is INSERT operation and also have auto increment
+    if (autoIncrement && primaryKey[0] && changeValue[primaryKey[0]] === null) {
+      return {
+        valid: false,
+        reason: "It is not safe to insert row with NULL in primary key column",
+      };
+    } else if (!autoIncrement && hasAnyUpdatePrimaryKeyNull) {
+      return {
+        valid: false,
+        reason: "It is not safe to insert row with NULL in primary key column",
+      };
+    }
+  }
+
+  return { valid: true };
+}
+
 export function isLinkString(str: string) {
   if (str.length > 200) return false;