diff --git a/src/drivers/base/SQLLikeConnection.ts b/src/drivers/base/SQLLikeConnection.ts
index 785f75e..82ea995 100644
--- a/src/drivers/base/SQLLikeConnection.ts
+++ b/src/drivers/base/SQLLikeConnection.ts
@@ -13,13 +13,21 @@ export interface MySqlConnectionConfig {
   port: number;
 }
 
+export type ConnectionSslOption =
+  | boolean
+  | {
+      ca?: string;
+      cert?: string;
+      key?: string;
+    };
+
 export interface PgConnectionConfig {
   database: string;
   user: string;
   password: string;
   host: string;
   port: number;
-  ssl?: boolean;
+  ssl?: ConnectionSslOption;
 }
 
 export interface SqliteConnectionConfig {
diff --git a/src/main/ipc/ipc_file_system.ts b/src/main/ipc/ipc_file_system.ts
index f2313ff..6c2877f 100644
--- a/src/main/ipc/ipc_file_system.ts
+++ b/src/main/ipc/ipc_file_system.ts
@@ -3,7 +3,9 @@ import {
   dialog,
   SaveDialogSyncOptions,
   shell,
+  OpenDialogOptions,
 } from 'electron';
+import fs from 'fs';
 import saveCsvFile from '../../libs/SaveCSVFile';
 import saveExcelFile from '../../libs/SaveExcelFile';
 import CommunicateHandler from './../CommunicateHandler';
@@ -15,15 +17,23 @@ CommunicateHandler.handle(
       return dialog.showMessageBoxSync(window, options);
     }
     return 0;
-  }
+  },
 )
+  .handle('show-open-dialog', ([options]: [OpenDialogOptions], { window }) => {
+    if (window) {
+      return dialog.showOpenDialog(window, options);
+    }
+  })
+  .handle('read-file', ([fileName]: [string]) => {
+    return fs.readFileSync(fileName);
+  })
   .handle(
     'show-save-dialog',
     ([options]: [SaveDialogSyncOptions], { window }) => {
       if (window) {
         return dialog.showSaveDialogSync(window, options);
       }
-    }
+    },
   )
   .handle('save-csv-file', ([fileName, records]: [string, object[]]) => {
     saveCsvFile(fileName, records);
diff --git a/src/main/preload.ts b/src/main/preload.ts
index f5a8c46..cf4ca19 100644
--- a/src/main/preload.ts
+++ b/src/main/preload.ts
@@ -8,6 +8,8 @@ import {
   MessageBoxSyncOptions,
   MenuItemConstructorOptions,
   SaveDialogSyncOptions,
+  OpenDialogOptions,
+  OpenDialogReturnValue,
 } from 'electron';
 import {
   ProgressInfo,
@@ -61,6 +63,14 @@ const electronHandler = {
   ): Promise<string | undefined> =>
     ipcRenderer.invoke('show-save-dialog', [options]),
 
+  showOpenDialog: (
+    options: OpenDialogOptions,
+  ): Promise<OpenDialogReturnValue> =>
+    ipcRenderer.invoke('show-open-dialog', [options]),
+
+  readFile: (fileName: string): Promise<Buffer> =>
+    ipcRenderer.invoke('read-file', [fileName]),
+
   showFileInFolder: (fileName: string) =>
     ipcRenderer.invoke('show-item-in-folder', [fileName]),
 
diff --git a/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/CertificatePicker.tsx b/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/CertificatePicker.tsx
new file mode 100644
index 0000000..bec8880
--- /dev/null
+++ b/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/CertificatePicker.tsx
@@ -0,0 +1,151 @@
+import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
+import styles from './certificate.module.scss';
+import {
+  faCheckCircle,
+  faCircleMinus,
+  faCircleXmark,
+  faFolder,
+} from '@fortawesome/free-solid-svg-icons';
+import { useCallback } from 'react';
+import { ConnectionSslOption } from 'drivers/base/SQLLikeConnection';
+
+interface PickerButtonProps {
+  label: string;
+  onChange: (v?: string) => void;
+  value?: string;
+}
+
+interface CertificatePickerProps {
+  value?: ConnectionSslOption;
+  onChange: (v: ConnectionSslOption | undefined) => void;
+}
+
+function CertificatePickerButton({
+  label,
+  onChange,
+  value,
+}: PickerButtonProps) {
+  const onClick = useCallback(() => {
+    window.electron.showOpenDialog({}).then((e) => {
+      if (!e.canceled) {
+        if (e.filePaths.length === 1) {
+          window.electron
+            .readFile(e.filePaths[0])
+            .then((content) => onChange(new TextDecoder().decode(content)));
+        }
+      }
+    });
+  }, [onChange]);
+
+  const className = [styles.button, value ? styles.provided : undefined]
+    .filter(Boolean)
+    .join(' ');
+
+  return (
+    <div className={className}>
+      <div onClick={onClick}>
+        <FontAwesomeIcon
+          icon={value ? faCheckCircle : faCircleMinus}
+          style={{ opacity: value ? 1 : 0.4, marginRight: 5 }}
+        />
+
+        <span>{label}</span>
+      </div>
+      {value && (
+        <div
+          className={`${styles.icon} ${styles.close}`}
+          onClick={() => {
+            onChange(undefined);
+          }}
+        >
+          <FontAwesomeIcon
+            icon={faCircleXmark}
+            style={{ opacity: 1, marginRight: 5 }}
+          />
+        </div>
+      )}
+      {!value && (
+        <div className={styles.icon} onClick={onClick}>
+          <FontAwesomeIcon
+            icon={faFolder}
+            style={{ opacity: 0.4, marginRight: 5 }}
+          />
+        </div>
+      )}
+    </div>
+  );
+}
+
+export default function CertificatePicker({
+  value,
+  onChange,
+}: CertificatePickerProps) {
+  const onUpdate = useCallback(
+    (property: 'ca' | 'cert' | 'key', newValue?: string) => {
+      let tmp: ConnectionSslOption | undefined;
+      if (!value) tmp = { [property]: newValue };
+      else if (value === true) {
+        tmp = { [property]: newValue };
+      } else {
+        tmp = { ...value, [property]: newValue };
+      }
+
+      // Remove all the undefined property
+      if (typeof tmp === 'object') {
+        for (const tmpKey of Object.keys(tmp)) {
+          const key = tmpKey as keyof ConnectionSslOption;
+          if (!tmp[key]) {
+            delete tmp[key];
+          }
+        }
+
+        if (Object.entries(tmp).length === 0) {
+          onChange(value === true ? true : undefined);
+        } else onChange(tmp);
+      } else {
+        onChange(undefined);
+      }
+    },
+    [value, onChange],
+  );
+
+  const ca = typeof value === 'object' ? value.ca : undefined;
+  const cert = typeof value === 'object' ? value.cert : undefined;
+  const key = typeof value === 'object' ? value.key : undefined;
+  const ssl = !!value;
+
+  return (
+    <div className={styles.container}>
+      <h3>
+        <label>
+          <input
+            type="checkbox"
+            checked={ssl}
+            onClick={() => {
+              if (!value) onChange(true);
+              if (value === true) onChange(undefined);
+            }}
+          />
+          <span>&nbsp;&nbsp;Over SSL</span>
+        </label>
+      </h3>
+      <div className={styles.buttonGroup}>
+        <CertificatePickerButton
+          label="CA Certificate"
+          value={ca}
+          onChange={(e) => onUpdate('ca', e)}
+        />
+        <CertificatePickerButton
+          label="Certificate"
+          value={cert}
+          onChange={(e) => onUpdate('cert', e)}
+        />
+        <CertificatePickerButton
+          label="Key"
+          value={key}
+          onChange={(e) => onUpdate('key', e)}
+        />
+      </div>
+    </div>
+  );
+}
diff --git a/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/PostgreConnectionEditor copy.tsx b/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/PostgreConnectionEditor.tsx
similarity index 66%
rename from src/renderer/components/ConnectionListTree/ConnectionConfigEditor/PostgreConnectionEditor copy.tsx
rename to src/renderer/components/ConnectionListTree/ConnectionConfigEditor/PostgreConnectionEditor.tsx
index dea084a..094a6c9 100644
--- a/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/PostgreConnectionEditor copy.tsx	
+++ b/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/PostgreConnectionEditor.tsx
@@ -9,19 +9,11 @@ export default function PostgreConnectionEditor({
   config: ConnectionStoreConfig;
   onChange: (value: ConnectionStoreConfig) => void;
 }) {
+  console.log(config);
+
   return (
     <Stack vertical>
       <RelationalDbConnectionEditor config={config} onChange={onChange} />
-      <label>
-        <input
-          type="checkbox"
-          checked={config?.ssl}
-          onChange={(e) =>
-            onChange({ ...config, ssl: e.currentTarget.checked })
-          }
-        />
-        &nbsp;Over SSL
-      </label>
     </Stack>
   );
 }
diff --git a/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/RelationalDbConnectionEditor.tsx b/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/RelationalDbConnectionEditor.tsx
index cd23d33..248274b 100644
--- a/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/RelationalDbConnectionEditor.tsx
+++ b/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/RelationalDbConnectionEditor.tsx
@@ -3,6 +3,7 @@ import Stack from 'renderer/components/Stack';
 import TextField from 'renderer/components/TextField';
 import PasswordField from 'renderer/components/PasswordField';
 import { useState } from 'react';
+import CertificatePicker from './CertificatePicker';
 
 export default function RelationalDbConnectionEditor({
   config,
@@ -52,6 +53,11 @@ export default function RelationalDbConnectionEditor({
         </div>
       </Stack>
 
+      <CertificatePicker
+        value={config?.ssl}
+        onChange={(value) => onChange({ ...config, ssl: value })}
+      />
+
       <TextField
         label="Database"
         value={config?.database}
diff --git a/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/certificate.module.scss b/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/certificate.module.scss
new file mode 100644
index 0000000..65f5e85
--- /dev/null
+++ b/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/certificate.module.scss
@@ -0,0 +1,48 @@
+.container {
+  h3 {
+    font-size: 1rem;
+    border-bottom: 1px solid var(--color-border);
+    padding-bottom: 5px;
+    margin-bottom: 10px;
+  }
+
+  border-bottom: 1px solid var(--color-border);
+  padding-bottom: 10px;
+}
+
+.buttonGroup {
+  display: flex;
+  gap: 10px;
+}
+
+.button {
+  border-radius: 4px;
+  overflow: hidden;
+  cursor: pointer;
+  display: flex;
+
+  > div {
+    background: var(--color-input-border);
+    padding: 10px;
+
+    &:hover {
+      opacity: 0.8;
+    }
+  }
+}
+
+.icon {
+  border-left: 1px solid var(--color-surface);
+}
+
+.button.provided {
+  > div {
+    background: #27ae60;
+    color: #fff;
+  }
+}
+
+.close {
+  background: #e74c3c !important;
+  color: #fff !important;
+}
diff --git a/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/index.tsx b/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/index.tsx
index 219f596..93b2b38 100644
--- a/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/index.tsx
+++ b/src/renderer/components/ConnectionListTree/ConnectionConfigEditor/index.tsx
@@ -1,6 +1,6 @@
 import { ConnectionStoreConfig } from 'drivers/base/SQLLikeConnection';
 import MySQLConnectionEditor from './MySQLConnectionEditor';
-import PostgreConnectionEditor from './PostgreConnectionEditor copy';
+import PostgreConnectionEditor from './PostgreConnectionEditor';
 
 export default function ConnectionConfigEditor({
   type,