diff --git a/package.json b/package.json
index 51495c5e..73c77def 100644
--- a/package.json
+++ b/package.json
@@ -64,6 +64,7 @@
     "highlight.js": "^11.7.0",
     "iarna-toml-esm": "^3.0.5",
     "ibantools": "^4.3.3",
+    "js-base64": "^3.7.6",
     "json5": "^2.2.3",
     "jwt-decode": "^3.1.2",
     "libphonenumber-js": "^1.10.28",
@@ -139,5 +140,6 @@
     "vitest": "^0.34.0",
     "workbox-window": "^7.0.0",
     "zx": "^7.2.1"
-  }
+  },
+  "packageManager": "pnpm@8.15.3"
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 958116ca..a3341eea 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -92,6 +92,9 @@ dependencies:
   ibantools:
     specifier: ^4.3.3
     version: 4.3.3
+  js-base64:
+    specifier: ^3.7.6
+    version: 3.7.7
   json5:
     specifier: ^2.2.3
     version: 2.2.3
@@ -4003,6 +4006,7 @@ packages:
     resolution: {integrity: sha512-Uud2IWncmAfJvRaFYzv5OHDli+FbOzxiVEQdLCKQKLyhz94PIyFC3CHcH7EDMwIn8NPtD06+PNbC/PiO0LGLtw==}
     dependencies:
       vue-demi: 0.14.7(vue@3.3.4)
+      vue-demi: 0.14.7(vue@3.3.4)
     transitivePeerDependencies:
       - '@vue/composition-api'
       - vue
@@ -6478,6 +6482,10 @@ packages:
     hasBin: true
     dev: true
 
+  /js-base64@3.7.7:
+    resolution: {integrity: sha512-7rCnleh0z2CkXhH67J8K1Ytz0b2Y+yxTPL+/KOJoa20hfnVQ/3/T6W/KflYI4bRHRagNeXeU2bkNGI3v1oS/lw==}
+    dev: false
+
   /js-beautify@1.14.6:
     resolution: {integrity: sha512-GfofQY5zDp+cuHc+gsEXKPpNw2KbPddreEo35O6jT6i0RVK6LhsoYBhq5TvK4/n74wnA0QbK8gGd+jUZwTMKJw==}
     engines: {node: '>=10'}
@@ -9172,6 +9180,8 @@ packages:
       vue: 3.3.4
     dev: false
 
+  /vue-demi@0.14.7(vue@3.3.4):
+    resolution: {integrity: sha512-EOG8KXDQNwkJILkx/gPcoL/7vH+hORoBaKgGe+6W7VFMvCYJfmF2dGbvgDroVnI8LU7/kTu8mbjRZGBU1z9NTA==}
   /vue-demi@0.14.7(vue@3.3.4):
     resolution: {integrity: sha512-EOG8KXDQNwkJILkx/gPcoL/7vH+hORoBaKgGe+6W7VFMvCYJfmF2dGbvgDroVnI8LU7/kTu8mbjRZGBU1z9NTA==}
     engines: {node: '>=12'}
diff --git a/src/components/FormatTransformer.vue b/src/components/FormatTransformer.vue
index 677fc25a..bcfcdb58 100644
--- a/src/components/FormatTransformer.vue
+++ b/src/components/FormatTransformer.vue
@@ -48,7 +48,7 @@ const output = computed(() => transformer.value(input.value));
     monospace
   />
 
-  <div>
+  <div overflow-auto>
     <div mb-5px>
       {{ outputLabel }}
     </div>
diff --git a/src/composable/debouncedref.ts b/src/composable/debouncedref.ts
new file mode 100644
index 00000000..09dd10e9
--- /dev/null
+++ b/src/composable/debouncedref.ts
@@ -0,0 +1,21 @@
+import _ from 'lodash';
+
+function useDebouncedRef<T>(initialValue: T, delay: number, immediate: boolean = false) {
+  const state = ref(initialValue);
+  const debouncedRef = customRef((track, trigger) => ({
+    get() {
+      track();
+      return state.value;
+    },
+    set: _.debounce(
+      (value) => {
+        state.value = value;
+        trigger();
+      },
+      delay,
+      { leading: immediate },
+    ),
+  }));
+  return debouncedRef;
+}
+export default useDebouncedRef;
diff --git a/src/composable/downloadBase64.ts b/src/composable/downloadBase64.ts
index 367c6a3e..773541e2 100644
--- a/src/composable/downloadBase64.ts
+++ b/src/composable/downloadBase64.ts
@@ -1,11 +1,13 @@
 import { extension as getExtensionFromMimeType, extension as getMimeTypeFromExtension } from 'mime-types';
-import type { Ref } from 'vue';
+import type { MaybeRef, Ref } from 'vue';
 import _ from 'lodash';
+import { get } from '@vueuse/core';
 
 export {
   getMimeTypeFromBase64,
   getMimeTypeFromExtension, getExtensionFromMimeType,
   useDownloadFileFromBase64, useDownloadFileFromBase64Refs,
+  previewImageFromBase64,
 };
 
 const commonMimeTypesSignatures = {
@@ -74,15 +76,38 @@ function downloadFromBase64({ sourceValue, filename, extension, fileMimeType }:
 }
 
 function useDownloadFileFromBase64(
-  { source, filename, extension, fileMimeType }:
-  { source: Ref<string>; filename?: string; extension?: string; fileMimeType?: string }) {
+  { source, filename, extension }:
+  { source: MaybeRef<string>; filename?: MaybeRef<string>; extension?: MaybeRef<string> }) {
   return {
     download() {
-      downloadFromBase64({ sourceValue: source.value, filename, extension, fileMimeType });
+      downloadFromBase64({ sourceValue: get(source), filename: get(filename), extension: get(extension) });
     },
   };
 }
 
+function previewImageFromBase64(base64String: string): HTMLImageElement {
+  if (base64String === '') {
+    throw new Error('Base64 string is empty');
+  }
+
+  const img = document.createElement('img');
+  img.src = base64String;
+
+  const container = document.createElement('div');
+  container.appendChild(img);
+
+  const previewContainer = document.getElementById('previewContainer');
+  if (previewContainer) {
+    previewContainer.innerHTML = '';
+    previewContainer.appendChild(container);
+  }
+  else {
+    throw new Error('Preview container element not found');
+  }
+
+  return img;
+}
+
 function useDownloadFileFromBase64Refs(
   { source, filename, extension }:
   { source: Ref<string>; filename?: Ref<string>; extension?: Ref<string> }) {
diff --git a/src/tools/base64-file-converter/base64-file-converter.vue b/src/tools/base64-file-converter/base64-file-converter.vue
index 377625bd..a489f9a1 100644
--- a/src/tools/base64-file-converter/base64-file-converter.vue
+++ b/src/tools/base64-file-converter/base64-file-converter.vue
@@ -2,12 +2,19 @@
 import { useBase64 } from '@vueuse/core';
 import type { Ref } from 'vue';
 import { useCopy } from '@/composable/copy';
-import { useDownloadFileFromBase64 } from '@/composable/downloadBase64';
+import { getExtensionFromMimeType, getMimeTypeFromBase64, previewImageFromBase64, useDownloadFileFromBase64Refs } from '@/composable/downloadBase64';
 import { useValidation } from '@/composable/validation';
 import { isValidBase64 } from '@/utils/base64';
 
+const fileName = ref('file');
+const fileExtension = ref('');
 const base64Input = ref('');
-const { download } = useDownloadFileFromBase64({ source: base64Input });
+const { download } = useDownloadFileFromBase64Refs(
+  {
+    source: base64Input,
+    filename: fileName,
+    extension: fileExtension,
+  });
 const base64InputValidation = useValidation({
   source: base64Input,
   rules: [
@@ -18,6 +25,35 @@ const base64InputValidation = useValidation({
   ],
 });
 
+watch(
+  base64Input,
+  (newValue, _) => {
+    const { mimeType } = getMimeTypeFromBase64({ base64String: newValue });
+    if (mimeType) {
+      fileExtension.value = getExtensionFromMimeType(mimeType) || fileExtension.value;
+    }
+  },
+);
+
+function previewImage() {
+  if (!base64InputValidation.isValid) {
+    return;
+  }
+  try {
+    const image = previewImageFromBase64(base64Input.value);
+    image.style.maxWidth = '100%';
+    image.style.maxHeight = '400px';
+    const previewContainer = document.getElementById('previewContainer');
+    if (previewContainer) {
+      previewContainer.innerHTML = '';
+      previewContainer.appendChild(image);
+    }
+  }
+  catch (_) {
+    //
+  }
+}
+
 function downloadFile() {
   if (!base64InputValidation.isValid) {
     return;
@@ -44,6 +80,24 @@ async function onUpload(file: File) {
 
 <template>
   <c-card title="Base64 to file">
+    <n-grid cols="3" x-gap="12">
+      <n-gi span="2">
+        <c-input-text
+          v-model:value="fileName"
+          label="File Name"
+          placeholder="Download filename"
+          mb-2
+        />
+      </n-gi>
+      <n-gi>
+        <c-input-text
+          v-model:value="fileExtension"
+          label="Extension"
+          placeholder="Extension"
+          mb-2
+        />
+      </n-gi>
+    </n-grid>
     <c-input-text
       v-model:value="base64Input"
       multiline
@@ -53,7 +107,14 @@ async function onUpload(file: File) {
       mb-2
     />
 
-    <div flex justify-center>
+    <div flex justify-center py-2>
+      <div id="previewContainer" />
+    </div>
+
+    <div flex justify-center gap-3>
+      <c-button :disabled="base64Input === '' || !base64InputValidation.isValid" @click="previewImage()">
+        Preview image
+      </c-button>
       <c-button :disabled="base64Input === '' || !base64InputValidation.isValid" @click="downloadFile()">
         Download file
       </c-button>
diff --git a/src/tools/emoji-picker/emoji-picker.vue b/src/tools/emoji-picker/emoji-picker.vue
index 750695f5..a12b10c2 100644
--- a/src/tools/emoji-picker/emoji-picker.vue
+++ b/src/tools/emoji-picker/emoji-picker.vue
@@ -4,6 +4,7 @@ import emojiKeywords from 'emojilib';
 import _ from 'lodash';
 import type { EmojiInfo } from './emoji.types';
 import { useFuzzySearch } from '@/composable/fuzzySearch';
+import useDebouncedRef from '@/composable/debouncedref';
 
 const escapeUnicode = ({ emoji }: { emoji: string }) => emoji.split('').map(unit => `\\u${unit.charCodeAt(0).toString(16).padStart(4, '0')}`).join('');
 const getEmojiCodePoints = ({ emoji }: { emoji: string }) => emoji.codePointAt(0) ? `0x${emoji.codePointAt(0)?.toString(16)}` : undefined;
@@ -23,7 +24,7 @@ const emojisGroups: { emojiInfos: EmojiInfo[]; group: string }[] = _
   .map((emojiInfos, group) => ({ group, emojiInfos }))
   .value();
 
-const searchQuery = ref('');
+const searchQuery = useDebouncedRef('', 500);
 
 const { searchResult } = useFuzzySearch({
   search: searchQuery,
diff --git a/src/tools/jwt-parser/jwt-parser.vue b/src/tools/jwt-parser/jwt-parser.vue
index 6b30fc0c..a26064d7 100644
--- a/src/tools/jwt-parser/jwt-parser.vue
+++ b/src/tools/jwt-parser/jwt-parser.vue
@@ -39,7 +39,7 @@ const validation = useValidation({
             {{ section.title }}
           </th>
           <tr v-for="{ claim, claimDescription, friendlyValue, value } in decodedJWT[section.key]" :key="claim + value">
-            <td class="claims">
+            <td class="claims" style="vertical-align: top;">
               <span font-bold>
                 {{ claim }}
               </span>
@@ -47,7 +47,7 @@ const validation = useValidation({
                 ({{ claimDescription }})
               </span>
             </td>
-            <td>
+            <td style="word-wrap: break-word;word-break: break-all;">
               <span>{{ value }}</span>
               <span v-if="friendlyValue" ml-2 op-70>
                 ({{ friendlyValue }})
diff --git a/src/utils/base64.test.ts b/src/utils/base64.test.ts
index 994f1b1b..51d15239 100644
--- a/src/utils/base64.test.ts
+++ b/src/utils/base64.test.ts
@@ -38,7 +38,8 @@ describe('base64 utils', () => {
 
     it('should throw for incorrect base64 string', () => {
       expect(() => base64ToText('a')).to.throw('Incorrect base64 string');
-      expect(() => base64ToText(' ')).to.throw('Incorrect base64 string');
+      // should not really be false because trimming of space is now implied
+      // expect(() => base64ToText(' ')).to.throw('Incorrect base64 string');
       expect(() => base64ToText('é')).to.throw('Incorrect base64 string');
       // missing final '='
       expect(() => base64ToText('bG9yZW0gaXBzdW0')).to.throw('Incorrect base64 string');
@@ -56,17 +57,17 @@ describe('base64 utils', () => {
 
     it('should return false for incorrect base64 string', () => {
       expect(isValidBase64('a')).to.eql(false);
-      expect(isValidBase64(' ')).to.eql(false);
       expect(isValidBase64('é')).to.eql(false);
       expect(isValidBase64('data:text/plain;notbase64,YQ==')).to.eql(false);
       // missing final '='
       expect(isValidBase64('bG9yZW0gaXBzdW0')).to.eql(false);
     });
 
-    it('should return false for untrimmed correct base64 string', () => {
-      expect(isValidBase64('bG9yZW0gaXBzdW0= ')).to.eql(false);
-      expect(isValidBase64(' LTE=')).to.eql(false);
-      expect(isValidBase64(' YQ== ')).to.eql(false);
+    it('should return true for untrimmed correct base64 string', () => {
+      expect(isValidBase64('bG9yZW0gaXBzdW0= ')).to.eql(true);
+      expect(isValidBase64(' LTE=')).to.eql(true);
+      expect(isValidBase64(' YQ== ')).to.eql(true);
+      expect(isValidBase64(' ')).to.eql(true);
     });
   });
 
diff --git a/src/utils/base64.ts b/src/utils/base64.ts
index 16912ee3..44e59f41 100644
--- a/src/utils/base64.ts
+++ b/src/utils/base64.ts
@@ -1,7 +1,9 @@
+import { Base64 } from 'js-base64';
+
 export { textToBase64, base64ToText, isValidBase64, removePotentialDataAndMimePrefix };
 
 function textToBase64(str: string, { makeUrlSafe = false }: { makeUrlSafe?: boolean } = {}) {
-  const encoded = window.btoa(str);
+  const encoded = Base64.encode(str);
   return makeUrlSafe ? makeUriSafe(encoded) : encoded;
 }
 
@@ -16,7 +18,7 @@ function base64ToText(str: string, { makeUrlSafe = false }: { makeUrlSafe?: bool
   }
 
   try {
-    return window.atob(cleanStr);
+    return Base64.decode(cleanStr);
   }
   catch (_) {
     throw new Error('Incorrect base64 string');
@@ -34,10 +36,11 @@ function isValidBase64(str: string, { makeUrlSafe = false }: { makeUrlSafe?: boo
   }
 
   try {
+    const reEncodedBase64 = Base64.fromUint8Array(Base64.toUint8Array(cleanStr));
     if (makeUrlSafe) {
-      return removePotentialPadding(window.btoa(window.atob(cleanStr))) === cleanStr;
+      return removePotentialPadding(reEncodedBase64) === cleanStr;
     }
-    return window.btoa(window.atob(cleanStr)) === cleanStr;
+    return reEncodedBase64 === cleanStr.replace(/\s/g, '');
   }
   catch (err) {
     return false;