diff --git a/public/index.html b/public/index.html
index 65372f728..5e6ae3abd 100644
--- a/public/index.html
+++ b/public/index.html
@@ -721,7 +721,11 @@
                                     <div class="openai_logit_bias_preset_form">
                                         <select id="openai_logit_bias_preset">
                                         </select>
-                                        <i id="openai_logit_bias_new_preset" class="menu_button fa-solid fa-plus"></i>
+                                        <i title="New preset" id="openai_logit_bias_new_preset" class="menu_button fa-solid fa-plus"></i>
+                                        <i title="Import preset" id="openai_logit_bias_import_preset" class="menu_button fa-solid fa-upload"></i>
+                                        <i title="Export preset" id="openai_logit_bias_export_preset" class="menu_button fa-solid fa-download"></i>
+                                        <i title="Delete preset" id="openai_logit_bias_delete_preset" class="menu_button fa-solid fa-trash-can"></i>
+                                        <input id="openai_logit_bias_import_file" type="file" accept=".json" hidden />
                                     </div>
 
                                     <div class="inline-drawer wide100p">
diff --git a/public/script.js b/public/script.js
index 439973940..13da25c7e 100644
--- a/public/script.js
+++ b/public/script.js
@@ -3237,6 +3237,7 @@ function callPopup(text, type) {
             break;
         case "world_imported":
         case "new_chat":
+        case "confirm":
             $("#dialogue_popup_ok").text("Yes");
             break;
         case "del_world":
diff --git a/public/scripts/openai.js b/public/scripts/openai.js
index 62ea5fd05..f61e73e33 100644
--- a/public/scripts/openai.js
+++ b/public/scripts/openai.js
@@ -26,7 +26,9 @@ import {
 } from "./power-user.js";
 
 import {
+    download,
     getStringHash,
+    parseJsonFile,
 } from "./utils.js";
 
 export {
@@ -67,7 +69,7 @@ const gpt3_max = 4095;
 const gpt4_max = 8191;
 const gpt4_32k_max = 32767;
 
-let biasCache = null;
+let biasCache = undefined;
 const tokenCache = {};
 
 const default_settings = {
@@ -888,13 +890,18 @@ async function createNewLogitBiasPreset() {
     }
 
     if (name in oai_settings.bias_presets) {
-        callPopup('Preset name should be unique.', 'input');
+        callPopup('Preset name should be unique.', 'text');
         return;
     }
 
     oai_settings.bias_preset_selected = name;
     oai_settings.bias_presets[name] = [];
 
+    addLogitBiasPresetOption(name);
+    saveSettingsDebounced();
+}
+
+function addLogitBiasPresetOption(name) {
     const option = document.createElement('option');
     option.innerText = name;
     option.value = name;
@@ -902,7 +909,78 @@ async function createNewLogitBiasPreset() {
 
     $('#openai_logit_bias_preset').append(option);
     $('#openai_logit_bias_preset').trigger('change');
+}
 
+function onLogitBiasPresetImportClick() {
+    $('#openai_logit_bias_import_file').click();
+}
+
+async function onLogitBiasPresetImportFileChange(e) {
+    const file = e.target.files[0];
+
+    if (!file || file.type !== "application/json") {
+        return;
+    }
+
+    const name = file.name.replace(/\.[^/.]+$/, "");
+    const importedFile = await parseJsonFile(file);
+    e.target.value = '';
+
+    if (name in oai_settings.bias_presets) {
+        callPopup('Preset name should be unique.', 'text');
+        return;
+    }
+
+    if (!Array.isArray(importedFile)) {
+        callPopup('Invalid logit bias preset file.', 'text');
+        return;
+    }
+
+    for (const entry of importedFile) {
+        if (typeof entry == 'object') {
+            if (entry.hasOwnProperty('text') && entry.hasOwnProperty('value')) {
+                continue;
+            }
+        }
+
+        callPopup('Invalid logit bias preset file.', 'text');
+        return;
+    }
+
+    oai_settings.bias_presets[name] = importedFile;
+    oai_settings.bias_preset_selected = name;
+
+    addLogitBiasPresetOption(name);
+    saveSettingsDebounced();
+}
+
+function onLogitBiasPresetExportClick() {
+    if (!oai_settings.bias_preset_selected || Object.keys(oai_settings.bias_presets).length === 0) {
+        return;
+    }
+
+    const presetJsonString = JSON.stringify(oai_settings.bias_presets[oai_settings.bias_preset_selected]);
+    download(presetJsonString, oai_settings.bias_preset_selected, 'application/json');
+}
+
+async function onLogitBiasPresetDeleteClick() {
+    const value = await callPopup('Delete the preset?', 'confirm');
+
+    if (!value) {
+        return;
+    }
+
+    $(`#openai_logit_bias_preset option[value="${oai_settings.bias_preset_selected}"]`).remove();
+    delete oai_settings.bias_presets[oai_settings.bias_preset_selected];
+    oai_settings.bias_preset_selected = null;
+
+    if (Object.keys(oai_settings.bias_presets).length) {
+        oai_settings.bias_preset_selected = Object.keys(oai_settings.bias_presets)[0];
+        $(`#openai_logit_bias_preset option[value="${oai_settings.bias_preset_selected}"]`).attr('selected', true);
+        $('#openai_logit_bias_preset').trigger('change');
+    }
+
+    biasCache = undefined;
     saveSettingsDebounced();
 }
 
@@ -1137,4 +1215,8 @@ $(document).ready(function () {
     $('#openai_logit_bias_preset').on('change', onLogitBiasPresetChange);
     $('#openai_logit_bias_new_preset').on('click', createNewLogitBiasPreset);
     $('#openai_logit_bias_new_entry').on('click', createNewLogitBiasEntry);
+    $('#openai_logit_bias_import_file').on('input', onLogitBiasPresetImportFileChange);
+    $('#openai_logit_bias_import_preset').on('click', onLogitBiasPresetImportClick);
+    $('#openai_logit_bias_export_preset').on('click', onLogitBiasPresetExportClick);
+    $('#openai_logit_bias_delete_preset').on('click', onLogitBiasPresetDeleteClick);
 });
diff --git a/public/scripts/utils.js b/public/scripts/utils.js
index 63c53ac80..ec316899f 100644
--- a/public/scripts/utils.js
+++ b/public/scripts/utils.js
@@ -10,6 +10,7 @@ export {
     isSubsetOf,
     incrementString,
     stringFormat,
+    parseJsonFile,
 };
 
 /// UTILS
@@ -63,6 +64,15 @@ function getBase64Async(file) {
     });
 }
 
+async function parseJsonFile(file) {
+    return new Promise((resolve, reject) => {
+        const fileReader = new FileReader();
+        fileReader.onload = event => resolve(JSON.parse(event.target.result));
+        fileReader.onerror = error => reject(error);
+        fileReader.readAsText(file);
+    });
+}
+
 function getStringHash(str, seed = 0) {
     let h1 = 0xdeadbeef ^ seed,
         h2 = 0x41c6ce57 ^ seed;
diff --git a/public/style.css b/public/style.css
index 5e13a6887..4e81d540f 100644
--- a/public/style.css
+++ b/public/style.css
@@ -3230,10 +3230,14 @@ toolcool-color-picker {
     display: flex;
     flex-direction: row;
     width: 100%;
-    gap: 10px;
+    gap: 5px;
     align-items: baseline;
 }
 
+#openai_logit_bias_new_entry {
+    margin-top: 0.5rem;
+}
+
 .openai_logit_bias_preset_form select {
     flex: 1;
 }