diff --git a/packages/web/package.json b/packages/web/package.json
index 868b71b5..cbb64a6a 100644
--- a/packages/web/package.json
+++ b/packages/web/package.json
@@ -45,6 +45,7 @@
     "file-selector": "^0.2.4",
     "resize-observer-polyfill": "^1.5.1",
     "sirv-cli": "^1.0.0",
+    "svelte-json-tree": "^0.1.0",
     "svelte-markdown": "^0.1.4",
     "svelte-select": "^3.17.0"
   }
diff --git a/packages/web/src/celldata/JsonCellView.svelte b/packages/web/src/celldata/JsonCellView.svelte
new file mode 100644
index 00000000..b949b7a5
--- /dev/null
+++ b/packages/web/src/celldata/JsonCellView.svelte
@@ -0,0 +1,41 @@
+<script lang="ts">
+  import JSONTree from 'svelte-json-tree';
+  import ErrorInfo from '../elements/ErrorInfo.svelte';
+
+  export let selection;
+
+  let json = null;
+  let error = null;
+
+  $: try {
+    json = JSON.parse(selection[0].value);
+    error = null;
+  } catch (err) {
+    error = err.message;
+  }
+</script>
+
+{#if error}
+  <ErrorInfo message="Error parsing JSON" />
+{:else}
+  <div class="outer">
+    <div class="inner">
+      <JSONTree value={json} />
+    </div>
+  </div>
+{/if}
+
+<style>
+  .outer {
+    flex: 1;
+    position: relative;
+  }
+  .inner {
+    overflow: scroll;
+    position: absolute;
+    left: 0;
+    top: 0;
+    right: 0;
+    bottom: 0;
+  }
+</style>
diff --git a/packages/web/src/celldata/TextCellViewNoWrap.svelte b/packages/web/src/celldata/TextCellViewNoWrap.svelte
new file mode 100644
index 00000000..0b34f133
--- /dev/null
+++ b/packages/web/src/celldata/TextCellViewNoWrap.svelte
@@ -0,0 +1,5 @@
+<script lang="ts">
+  export let selection;
+</script>
+
+<textarea class="flex1" wrap="no" readonly value={selection[0].value} />
diff --git a/packages/web/src/celldata/TextCellViewWrap.svelte b/packages/web/src/celldata/TextCellViewWrap.svelte
new file mode 100644
index 00000000..a52adeb4
--- /dev/null
+++ b/packages/web/src/celldata/TextCellViewWrap.svelte
@@ -0,0 +1,5 @@
+<script lang="ts">
+  export let selection;
+</script>
+
+<textarea class="flex1" wrap="hard" readonly value={selection[0].value} />
diff --git a/packages/web/src/datagrid/DataGridCore.svelte b/packages/web/src/datagrid/DataGridCore.svelte
index 49d13647..12108a51 100644
--- a/packages/web/src/datagrid/DataGridCore.svelte
+++ b/packages/web/src/datagrid/DataGridCore.svelte
@@ -234,7 +234,7 @@
   import DataFilterControl from './DataFilterControl.svelte';
   import createReducer from '../utility/createReducer';
   import keycodes from '../utility/keycodes';
-  import { activeTabId, getActiveTabId, nullStore } from '../stores';
+  import { activeTabId, getActiveTabId, nullStore, selectedCellsCallback } from '../stores';
   import memberStore from '../utility/memberStore';
   import axiosInstance from '../utility/axiosInstance';
   import { copyTextToClipboard } from '../utility/clipboard';
@@ -259,7 +259,7 @@
   export let focusOnVisible = false;
   export let onExportGrid = null;
   export let onOpenQuery = null;
-  export let onOpenActiveChart=null;
+  export let onOpenActiveChart = null;
   export let formViewAvailable = false;
 
   export let isLoadedAll;
@@ -563,16 +563,13 @@
     domFocusField.focus();
   }
 
-  const lastPublishledRef = createRef('');
-  $: if (onSelectionChanged) {
-    const published = getCellsPublished(selectedCells);
-    const stringified = stableStringify(published);
-    if (lastPublishledRef.get() != stringified) {
-      // console.log('PUBLISH', published);
-      // console.log('lastPublishledRef.current', lastPublishledRef.current);
-      // console.log('stringified', stringified);
-      lastPublishledRef.set(stringified);
-      onSelectionChanged(published);
+  const lastPublishledSelectedCellsRef = createRef('');
+  $: {
+    const stringified = stableStringify(selectedCells);
+    if (lastPublishledSelectedCellsRef.get() != stringified) {
+      lastPublishledSelectedCellsRef.set(stringified);
+      if (onSelectionChanged) onSelectionChanged(getCellsPublished(selectedCells));
+      $selectedCellsCallback = () => getCellsPublished(selectedCells);
     }
   }
 
@@ -589,13 +586,20 @@
 
   function getCellsPublished(cells) {
     const regular = cellsToRegularCells(cells);
-    // @ts-ignore
-    return regular
-      .map(cell => ({
-        row: cell[0],
-        column: realColumnUniqueNames[cell[1]],
-      }))
+    const res = regular
+      .map(cell => {
+        const row = cell[0];
+        const rowData = grider.getRowData(row);
+        const column = realColumnUniqueNames[cell[1]];
+        return {
+          row,
+          rowData,
+          column,
+          value: rowData && rowData[column],
+        };
+      })
       .filter(x => x.column);
+    return res;
   }
 
   function scrollIntoView(cell) {
diff --git a/packages/web/src/icons/FontIcon.svelte b/packages/web/src/icons/FontIcon.svelte
index fa2ad659..a0107047 100644
--- a/packages/web/src/icons/FontIcon.svelte
+++ b/packages/web/src/icons/FontIcon.svelte
@@ -15,6 +15,7 @@
     'icon share': 'mdi mdi-share-variant',
     'icon add': 'mdi mdi-plus-circle',
     'icon connection': 'mdi mdi-connection',
+    'icon cell-data': 'mdi mdi-details',
 
     'icon database': 'mdi mdi-database',
     'icon server': 'mdi mdi-server',
diff --git a/packages/web/src/stores.ts b/packages/web/src/stores.ts
index 2fe726ee..134294bb 100644
--- a/packages/web/src/stores.ts
+++ b/packages/web/src/stores.ts
@@ -46,6 +46,7 @@ export const openedModals = writable([]);
 export const nullStore = readable(null, () => {});
 export const currentArchive = writable('default');
 export const isFileDragActive = writable(false);
+export const selectedCellsCallback = writable(null);
 
 const electron = getElectron();
 
diff --git a/packages/web/src/widgets/CellDataWidget.svelte b/packages/web/src/widgets/CellDataWidget.svelte
new file mode 100644
index 00000000..542a053e
--- /dev/null
+++ b/packages/web/src/widgets/CellDataWidget.svelte
@@ -0,0 +1,113 @@
+<script lang="ts" context="module">
+  const formats = [
+    {
+      type: 'textWrap',
+      title: 'Text (wrap)',
+      component: TextCellViewWrap,
+      single: true,
+    },
+    {
+      type: 'text',
+      title: 'Text (no wrap)',
+      component: TextCellViewNoWrap,
+      single: true,
+    },
+    {
+      type: 'json',
+      title: 'Json',
+      component: JsonCellView,
+      single: true,
+    },
+  ];
+
+  function autodetect(selection) {
+    const value = selection.length == 1 ? selection[0].value : null;
+    if (_.isString(value)) {
+      if (value.startsWith('[') || value.startsWith('{')) return 'json';
+    }
+    return 'textWrap';
+  }
+
+  let cellSelectionListener = null;
+
+  export const getCellSelectionListener = () => cellSelectionListener;
+</script>
+
+<script lang="ts">
+  import _ from 'lodash';
+  import { onMount } from 'svelte';
+
+  import JsonCellView from '../celldata/JsonCellView.svelte';
+  import TextCellViewNoWrap from '../celldata/TextCellViewNoWrap.svelte';
+  import TextCellViewWrap from '../celldata/TextCellViewWrap.svelte';
+  import ErrorInfo from '../elements/ErrorInfo.svelte';
+  import SelectField from '../forms/SelectField.svelte';
+  import { selectedCellsCallback } from '../stores';
+  import WidgetTitle from './WidgetTitle.svelte';
+
+  let selectedFormatType = 'autodetect';
+
+  export let selection = undefined;
+
+  $: autodetectFormatType = autodetect(selection);
+  $: autodetectFormat = formats.find(x => x.type == autodetectFormatType);
+
+  $: usedFormatType = selectedFormatType == 'autodetect' ? autodetectFormatType : selectedFormatType;
+  $: usedFormat = formats.find(x => x.type == usedFormatType);
+
+  $: selection = $selectedCellsCallback();
+</script>
+
+<div class="wrapper">
+  <WidgetTitle>Cell data view</WidgetTitle>
+  <div class="main">
+    <div class="toolbar">
+      Format:
+      <SelectField
+        isNative
+        value={selectedFormatType}
+        on:change={e => (selectedFormatType = e.detail)}
+        options={[
+          { value: 'autodetect', label: `Autodetect - ${autodetectFormat.title}` },
+          ...formats.map(fmt => ({ label: fmt.title, value: fmt.type })),
+        ]}
+      />
+    </div>
+    <div class="data">
+      {#if usedFormat.single && selection?.length != 1}
+        <ErrorInfo message="Must be selected one cell" />
+      {:else if usedFormat == null}
+        <ErrorInfo message="Format not selected" />
+      {:else if !selection || selection.length == 0}
+        <ErrorInfo message="No data selected" />
+      {:else}
+        <svelte:component this={usedFormat?.component} {selection} />
+      {/if}
+    </div>
+  </div>
+</div>
+
+<style>
+  .wrapper {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+  }
+  
+  .main {
+    display: flex;
+    flex: 1;
+    flex-direction: column;
+  }
+
+  .toolbar {
+    display: flex;
+    background: var(--theme-bg-1);
+    align-items: center;
+  }
+
+  .data {
+    display: flex;
+    flex: 1;
+  }
+</style>
diff --git a/packages/web/src/widgets/WidgetContainer.svelte b/packages/web/src/widgets/WidgetContainer.svelte
index 73e50c68..69ecd72e 100644
--- a/packages/web/src/widgets/WidgetContainer.svelte
+++ b/packages/web/src/widgets/WidgetContainer.svelte
@@ -5,6 +5,7 @@
   import FilesWidget from './FilesWidget.svelte';
   import PluginsWidget from './PluginsWidget.svelte';
   import FavoritesWidget from './FavoritesWidget.svelte';
+import CellDataWidget from './CellDataWidget.svelte';
 </script>
 
 {#if $selectedWidget == 'database'}
@@ -22,3 +23,6 @@
 {#if $selectedWidget == 'favorites'}
   <FavoritesWidget />
 {/if}
+{#if $selectedWidget == 'cell-data'}
+  <CellDataWidget />
+{/if}
diff --git a/packages/web/src/widgets/WidgetIconPanel.svelte b/packages/web/src/widgets/WidgetIconPanel.svelte
index 2ab98190..8e1bbe5b 100644
--- a/packages/web/src/widgets/WidgetIconPanel.svelte
+++ b/packages/web/src/widgets/WidgetIconPanel.svelte
@@ -33,6 +33,11 @@
       name: 'favorites',
       title: 'Favorites',
     },
+    {
+      icon: 'icon cell-data',
+      name: 'cell-data',
+      title: 'Selected cell data detail view',
+    },
     // {
     //   icon: 'fa-cog',
     //   name: 'settings',
@@ -56,7 +61,7 @@
 {/if}
 {#each widgets as item}
   <div class="wrapper" class:selected={item.name == $selectedWidget} on:click={() => handleChangeWidget(item.name)}>
-    <FontIcon icon={item.icon} />
+    <FontIcon icon={item.icon} title={item.title} />
   </div>
 {/each}
 
diff --git a/yarn.lock b/yarn.lock
index 6eb4f92e..fb06174f 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7022,6 +7022,11 @@ svelte-check@^1.0.0:
     svelte-preprocess "^4.0.0"
     typescript "*"
 
+svelte-json-tree@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/svelte-json-tree/-/svelte-json-tree-0.1.0.tgz#2711e36162046a10766dfbef69739168a5eaafa6"
+  integrity sha512-ufKWvS94z5m6Je9Hu0yosvdALy0mOPcaexbTcQQ/jW+3Rzi4oaHkOeg4RQ3cNpOlOQlIs0lfsF9FBlyquZ7XuQ==
+
 svelte-markdown@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/svelte-markdown/-/svelte-markdown-0.1.4.tgz#03bec6dcd8ff1c09126e7c62c8a5a481905881d7"