diff --git a/extensions/default/src/DicomTagBrowser/DicomTagBrowser.css b/extensions/default/src/DicomTagBrowser/DicomTagBrowser.css
new file mode 100644
index 000000000..fe6a96096
--- /dev/null
+++ b/extensions/default/src/DicomTagBrowser/DicomTagBrowser.css
@@ -0,0 +1,53 @@
+.dicom-tag-browser-table {
+  margin-right: auto;
+  margin-left: auto;
+}
+
+.dicom-tag-browser-table-wrapper {
+/*  height: 500px;*/
+  /*overflow-y: scroll;*/
+  overflow-x: scroll;
+}
+
+.dicom-tag-browser-table tr {
+  padding-left: 10px;
+  padding-right: 10px;
+  color: #ffffff;
+  border-top: 1px solid #ddd;
+  white-space: nowrap;
+}
+
+.stick {
+  position: sticky;
+  overflow: clip;
+}
+
+.dicom-tag-browser-content {
+  overflow: hidden;
+  width: 100%;
+  padding-bottom: 50px;
+  /*height: 500px;*/
+}
+
+.dicom-tag-browser-instance-range .range {
+  height: 20px;
+}
+
+.dicom-tag-browser-instance-range {
+  padding: 20px 0 20px 0;
+}
+
+.dicom-tag-browser-table td.dicom-tag-browser-table-center {
+  text-align: center;
+}
+
+.dicom-tag-browser-table th {
+  padding-left: 10px;
+  padding-right: 10px;
+  text-align: center;
+  color: "#20A5D6";
+}
+
+.dicom-tag-browser-table th.dicom-tag-browser-table-left {
+  text-align: left;
+}
diff --git a/extensions/default/src/DicomTagBrowser/DicomTagBrowser.tsx b/extensions/default/src/DicomTagBrowser/DicomTagBrowser.tsx
new file mode 100644
index 000000000..49155ca6a
--- /dev/null
+++ b/extensions/default/src/DicomTagBrowser/DicomTagBrowser.tsx
@@ -0,0 +1,387 @@
+import React, { useState, useEffect, useRef } from 'react';
+import { classes } from '@ohif/core';
+import Range from './Range';
+import DicomTagTable from './DicomTagTable';
+import dcmjs from 'dcmjs';
+import moment from 'moment';
+import './DicomTagBrowser.css';
+import { Select, Typography } from '@ohif/ui';
+
+const { ImageSet } = classes;
+const { DicomMetaDictionary } = dcmjs.data;
+const { nameMap } = DicomMetaDictionary;
+
+
+let instanceSelectList = null;
+let instanceSelectTitle = null;
+
+const DicomTagBrowser = ({ displaySets, displaySetInstanceUID }) => {
+  const [
+    activeDisplaySetInstanceUID,
+    setActiveDisplaySetInstanceUID,
+  ] = useState(displaySetInstanceUID);
+  const [activeInstance, setActiveInstance] = useState(1);
+  const [tags, setTags] = useState([]);
+  const [meta, setMeta] = useState('');
+  const [instanceList, setInstanceList] = useState([]);
+  const [displaySetList, setDisplaySetList] = useState([]);
+  const [isImageStack, setIsImageStack] = useState(false);
+  const [selectedDisplaySetValue, setSelectedDisplaySetValue] = useState({}
+  );
+  const onSeriesSelect = value => {
+    console.log(value);
+    setActiveDisplaySetInstanceUID(value.value);
+    setActiveInstance(1);
+    setSelectedDisplaySetValue(value);
+  };
+
+  useEffect(() => {
+    var activeDisplaySet = displaySets.find(
+      ds => ds.displaySetInstanceUID === activeDisplaySetInstanceUID
+    );
+
+    displaySets.sort((a, b) => a.SeriesNumber - b.SeriesNumber);
+
+    const newDisplaySetList = displaySets.map(displaySet => {
+      const {
+        displaySetInstanceUID,
+        SeriesDate,
+        SeriesTime,
+        SeriesNumber,
+        SeriesDescription,
+        Modality,
+      } = displaySet;
+
+      /* Map to display representation */
+      const dateStr = `${SeriesDate}:${SeriesTime}`.split('.')[0];
+      const date = moment(dateStr, 'YYYYMMDD:HHmmss');
+      const displayDate = date.format('ddd, MMM Do YYYY');
+      return {
+        value: displaySetInstanceUID,
+        label: `${SeriesNumber} (${Modality}): ${SeriesDescription}`,
+        description: displayDate,
+        onClick: () => {
+          setActiveDisplaySetInstanceUID(displaySetInstanceUID);
+          setActiveInstance(1);
+
+          //instanceSelectList.props.children.props.value = 1;
+        },
+      };
+    });
+
+    let metadata;
+    if (!activeDisplaySet) {
+      if (!displaySets || displaySets.length == 0) {
+        return;
+      } else {
+        activeDisplaySet = displaySets[0];
+        setActiveDisplaySetInstanceUID(displaySets[0].displaySetInstanceUID);
+        setSelectedDisplaySetValue(newDisplaySetList[0]);
+      }
+
+    } else {
+
+      setSelectedDisplaySetValue(newDisplaySetList.find(
+        ds => ds.value === activeDisplaySetInstanceUID
+      ));
+    }
+    const isImageStack =
+      activeDisplaySet instanceof ImageSet; /*&&
+      activeDisplaySet.isSOPClassUIDSupported === true*/;
+
+    let instanceList;
+    if (isImageStack) {
+      const { images } = activeDisplaySet;
+      const image = images[activeInstance - 1];
+      instanceList = images.map((image, index) => {
+        // const metadata = image.getData().metadata;
+
+        const { InstanceNumber } = image;
+
+        return {
+          value: index,
+          title: `Instance Number: ${InstanceNumber}`,
+          description: '',
+          onClick: () => {
+            setActiveInstance(index);
+          },
+        };
+      });
+      metadata = image;
+    } else {
+      metadata = activeDisplaySet;
+    }
+
+
+    if (isImageStack) {
+      instanceSelectTitle = (
+        <Typography variant="subtitle" className="mr-5 text-right h-full">
+          Instance Number
+        </Typography>
+      )
+      instanceSelectList = (
+        <div className="dicom-tag-browser-instance-range ml-auto">
+          <Range
+            showValue
+            step={1}
+            min={1}
+            max={instanceList.length}
+            value={activeInstance}
+            valueRenderer={value => <p>{value}</p>}
+            onChange={({ target }) => {
+              const instanceIndex = parseInt(target.value);
+              setActiveInstance(instanceIndex);
+            }}
+          />
+        </div>
+      );
+    } else {
+      instanceSelectList = null;
+    }
+    setTags(getSortedTags(metadata));
+    setMeta(metadata);
+    setInstanceList(instanceList);
+    setDisplaySetList(newDisplaySetList);
+    setIsImageStack(isImageStack);
+  }, [activeDisplaySetInstanceUID, activeInstance, displaySets]);
+
+  return (
+    <div className="dicom-tag-browser-content">
+      <div className="flex flex-row items-center justify-between">
+        <Typography variant="subtitle" className="mr-5 text-right h-full">
+          Series
+        </Typography>
+        {instanceSelectTitle}</div>
+      <div className="flex flex-row items-center">
+
+        <div className="w-72">
+          <Select
+            isClearable={false}
+            onChange={onSeriesSelect}
+            options={displaySetList}
+            value={selectedDisplaySetValue}
+          /></div>
+        {instanceSelectList}
+      </div>
+
+      <div className="dicom-tag-browser-table-wrapper">
+        <DicomTagTable rows={getFormattedRowsFromTags(tags, meta)}></DicomTagTable>
+      </div>
+    </div>
+  );
+};
+
+
+function getFormattedRowsFromTags(tags, meta) {
+  const rows = [];
+
+  tags.forEach(tagInfo => {
+    if (tagInfo.vr === 'SQ') {
+      rows.push([
+        `${tagInfo.tagIndent}${tagInfo.tag}`,
+        tagInfo.vr,
+        tagInfo.keyword,
+        '',
+      ]);
+
+      const { values } = tagInfo;
+
+      values.forEach((item, index) => {
+        const formatedRowsFromTags = getFormattedRowsFromTags(item);
+
+        rows.push([
+          `${item[0].tagIndent}(FFFE,E000)`,
+          '',
+          `Item #${index}`,
+          '',
+        ]);
+
+        rows.push(...formatedRowsFromTags);
+      });
+    } else {
+      if (tagInfo.vr === 'xs') {
+        try {
+          /*  const dataset = metadataProvider.getStudyDataset(
+              meta.StudyInstanceUID
+            );*/
+          //  console.log(dataset);
+
+          //  const tag = dcmjs.data.Tag.fromPString(tagInfo.tag).toCleanString();
+          // const originalTagInfo = dataset[tag];
+          //  tagInfo.vr = originalTagInfo.vr;
+        } catch (error) {
+          console.error(
+            `Failed to parse value representation for tag '${tagInfo.keyword}'`
+          );
+        }
+      }
+      if (tagInfo.vr === 'PN') {
+        rows.push([
+          `${tagInfo.tagIndent}${tagInfo.tag}`,
+          tagInfo.vr,
+          tagInfo.keyword,
+          tagInfo.value
+        ]);
+      } else {
+
+        rows.push([
+          `${tagInfo.tagIndent}${tagInfo.tag}`,
+          tagInfo.vr,
+          tagInfo.keyword,
+          tagInfo.value,
+        ]);
+      }
+    }
+  });
+
+  return rows;
+}
+
+function getSortedTags(metadata) {
+  const tagList = getRows(metadata);
+
+  // Sort top level tags, sequence groups are sorted when created.
+  _sortTagList(tagList);
+
+  return tagList;
+}
+
+function getRows(metadata, depth = 0) {
+  // Tag, Type, Value, Keyword
+
+  const keywords = Object.keys(metadata);
+
+  let tagIndent = '';
+
+  for (let i = 0; i < depth; i++) {
+    tagIndent += '>';
+  }
+
+  if (depth > 0) {
+    tagIndent += ' '; // If indented, add a space after the indents.
+  }
+
+  const rows = [];
+  for (let i = 0; i < keywords.length; i++) {
+    let keyword = keywords[i];
+
+    if (keyword === '_vrMap') {
+      continue;
+    }
+
+    const tagInfo = nameMap[keyword];
+
+    let value = metadata[keyword];
+
+    if (tagInfo && tagInfo.vr === 'SQ') {
+      const sequenceAsArray = toArray(value);
+
+      // Push line defining the sequence
+
+      const sequence = {
+        tag: tagInfo.tag,
+        tagIndent,
+        vr: tagInfo.vr,
+        keyword,
+        values: [],
+      };
+
+      rows.push(sequence);
+
+      if (value === null) {
+        // Type 2 Sequence
+        continue;
+      }
+
+      sequenceAsArray.forEach(item => {
+        const sequenceRows = getRows(item, depth + 1);
+
+        if (sequenceRows.length) {
+          // Sort the sequence group.
+          _sortTagList(sequenceRows);
+          sequence.values.push(sequenceRows);
+        }
+      });
+
+      continue;
+    }
+
+    if (Array.isArray(value)) {
+      if (value.length > 0 && typeof value[0] != 'object') {
+        value = value.join('\\');
+      }
+    }
+
+    if (typeof value === 'number') {
+      value = value.toString();
+    }
+
+    if (typeof value !== 'string') {
+      if (value === null) {
+        value = ' ';
+      } else {
+        if (typeof value === 'object') {
+          if (value.InlineBinary) {
+            value = 'Inline Binary';
+          } else if (value.BulkDataURI) {
+            value = `Bulk Data URI`; //: ${value.BulkDataURI}`;
+          } else if (value.Alphabetic) {
+            value = value.Alphabetic;
+          } else {
+            console.warn(`Unrecognised Value: ${value} for ${keyword}:`);
+            console.warn(value);
+            value = ' ';
+          }
+        } else {
+          console.warn(`Unrecognised Value: ${value} for ${keyword}:`);
+          value = ' ';
+        }
+      }
+    }
+
+    // tag / vr/ keyword/ value
+
+    // Remove retired tags
+    keyword = keyword.replace('RETIRED_', '');
+    if (tagInfo) {
+      rows.push({
+        tag: tagInfo.tag,
+        tagIndent,
+        vr: tagInfo.vr,
+        keyword,
+        value,
+      });
+    } else {
+      // skip properties without hex tag numbers
+      var regex = /[0-9A-Fa-f]{6}/g;
+      if (keyword.match(regex)) {
+        const tag = `(${keyword.substring(0, 4)},${keyword.substring(4, 8)})`;
+        rows.push({
+          tag,
+          tagIndent,
+          vr: '',
+          keyword: 'Private Tag',
+          value,
+        });
+      }
+    }
+  }
+
+  return rows;
+}
+
+function toArray(objectOrArray) {
+  return Array.isArray(objectOrArray) ? objectOrArray : [objectOrArray];
+}
+
+function _sortTagList(tagList) {
+  tagList.sort((a, b) => {
+    if (a.tag < b.tag) {
+      return -1;
+    }
+
+    return 1;
+  });
+}
+
+export default DicomTagBrowser;
diff --git a/extensions/default/src/DicomTagBrowser/DicomTagTable.tsx b/extensions/default/src/DicomTagBrowser/DicomTagTable.tsx
new file mode 100644
index 000000000..b63b4781a
--- /dev/null
+++ b/extensions/default/src/DicomTagBrowser/DicomTagTable.tsx
@@ -0,0 +1,56 @@
+import React from 'react';
+
+function ColumnHeaders() {
+  return (<div className="border-b-4 border-black"> <div className="pt-3 pb-3 bg-primary-dark ">
+    <div className="container m-auto relative flex flex-col"><div className="flex flex-row w-full">
+      <div className="px-3 w-5/24">
+        <label className="flex flex-col flex-1 text-white text-lg pl-1 select-none">
+          <span className="flex flex-row items-center focus:outline-none">
+            Tag</span></label></div> <div className="px-3 w-4/24">
+        <label className="flex flex-col flex-1 text-white text-lg pl-1 select-none">
+          <span className="flex flex-row items-center focus:outline-none">
+            Value Representation</span></label></div> <div className="px-3 w-6/24">
+        <label className="flex flex-col flex-1 text-white text-lg pl-1 select-none">
+          <span className="flex flex-row items-center focus:outline-none">
+            Keyword</span></label></div> <div className="px-3 w-5/24">
+        <label className="flex flex-col flex-1 text-white text-lg pl-1 select-none">
+          <span className="flex flex-row items-center focus:outline-none">
+            Value</span></label></div></div></div>
+
+
+  </div></div>)
+}
+
+function DicomTagTable({ rows }) {
+
+  return (<div>{ColumnHeaders()}
+    <div className="container m-auto relative">
+      <table className="w-full text-white">
+
+        <tbody>
+          {rows.map((row, index) => {
+            const className = row.className ? row.className : null;
+
+            return (
+              <tr className="hover:bg-secondary-main transition duration-300 bg-primary-dark" key={`DICOMTagRow-${index}`}>
+                <td style={{ maxWidth: "0px" }} className="px-4 py-2 text-base break-all border-b border-secondary-light w-5/24">
+                  <div className="flex"><div className="inline-flex max-w-full">{row[0]}</div></div>
+                </td>
+                <td style={{ maxWidth: "0px" }} className="px-4 py-2 text-base break-all border-b border-secondary-light w-4/24">
+                  <div className="flex"><div className="inline-flex max-w-full">{row[1]}</div></div>
+                </td>
+                <td style={{ maxWidth: "0px" }} className="px-4 py-2 text-base break-all border-b border-secondary-light w-6/24">
+                  <div className="flex"><div className="inline-flex max-w-full">{row[2]}</div></div>
+                </td>
+                <td style={{ maxWidth: "0px" }} className="px-4 py-2 text-base break-all border-b border-secondary-light w-14/24">
+                  <div className="flex"><div className="inline-flex max-w-full">{row[3]}</div></div>
+                </td>
+              </tr>
+            );
+          })}
+        </tbody>
+      </table></div></div >
+  );
+}
+
+export default DicomTagTable;
diff --git a/extensions/default/src/DicomTagBrowser/Range.css b/extensions/default/src/DicomTagBrowser/Range.css
new file mode 100644
index 000000000..0e18f32d1
--- /dev/null
+++ b/extensions/default/src/DicomTagBrowser/Range.css
@@ -0,0 +1,65 @@
+.range {
+  margin: 0;
+  width: 100%;
+  -webkit-appearance: none;
+  background-color: transparent;
+}
+
+.range:focus {
+  outline: none;
+}
+
+.range::-webkit-slider-runnable-track {
+  width: 100%;
+  height: 2px;
+  cursor: pointer;
+  box-shadow: none;
+  background-color: #3C5D80;
+  border-radius: 0px;
+  border: 0px solid #3C5D80;
+}
+
+.range::-moz-range-track {
+  width: 100%;
+  height: 2px;
+  cursor: pointer;
+  box-shadow: none;
+  background-color: #3C5D80;
+  border-radius: 0px;
+  border: 0px solid #3C5D80;
+}
+
+.range::-webkit-slider-thumb {
+  box-shadow: none;
+  border: 0px solid #20A5D6;
+  box-shadow: 0px 10px 10px rgba(0, 0, 0, 0.25);
+  height: 21px;
+  width: 11px;
+  border-radius: 11px;
+  background: #20A5D6;
+  cursor: pointer;
+  -webkit-appearance: none;
+  margin-top: -10px;
+}
+
+.range::-moz-range-thumb {
+  box-shadow: none;
+  border: 0px solid #20A5D6;
+  box-shadow: 0px 10px 10px rgba(0, 0, 0, 0.25);
+  height: 21px;
+  width: 11px;
+  border-radius: 11px;
+  background: #20A5D6;
+  cursor: pointer;
+  -webkit-appearance: none;
+  margin-top: -10px;
+}
+
+.range::-moz-focus-outer {
+  border: 0;
+}
+
+.range-example {
+  background: black;
+  height: 2em;
+}
diff --git a/extensions/default/src/DicomTagBrowser/Range.tsx b/extensions/default/src/DicomTagBrowser/Range.tsx
new file mode 100644
index 000000000..f0462dcba
--- /dev/null
+++ b/extensions/default/src/DicomTagBrowser/Range.tsx
@@ -0,0 +1,57 @@
+import './Range.css';
+
+import React, { useState } from 'react';
+import PropTypes from 'prop-types';
+
+function Range(props) {
+  const [value, setValue] = useState(props.value);
+  const handleChange = event => {
+    setValue(event.target.value);
+    if (props.onChange) props.onChange(event);
+  };
+
+
+  return (
+    <>
+      <input
+        ref={props.ref}
+        type="range"
+        value={props.value}
+        min={props.min}
+        max={props.max}
+        step={props.step || 1}
+        onChange={handleChange}
+        id={props.id}
+        className="range"
+      />
+      {props.showPercentage && <span>{`${value}%`}</span>}
+      {props.showValue && (
+        <span>
+          {props.valueRenderer
+            ? props.valueRenderer(props.value)
+            : props.value}
+        </span>
+      )}
+    </>
+  );
+}
+
+Range.propTypes = {
+  value: PropTypes.number,
+  min: PropTypes.number.isRequired,
+  max: PropTypes.number.isRequired,
+  step: PropTypes.number,
+  id: PropTypes.string,
+  valueRenderer: PropTypes.func,
+  onChange: PropTypes.func,
+  showPercentage: PropTypes.bool,
+  showValue: PropTypes.bool,
+  ref: PropTypes.any,
+};
+
+Range.defaultProps = {
+  showPercentage: false,
+  showValue: false,
+};
+
+export default Range;
diff --git a/extensions/default/src/commandsModule.js b/extensions/default/src/commandsModule.js
index d5d9aca35..c66a0c788 100644
--- a/extensions/default/src/commandsModule.js
+++ b/extensions/default/src/commandsModule.js
@@ -1,8 +1,13 @@
+import DicomTagBrowser from './DicomTagBrowser/DicomTagBrowser';
+import React from 'react';
+
 const commandsModule = ({ servicesManager, commandsManager }) => {
   const {
     MeasurementService,
     HangingProtocolService,
     UINotificationService,
+    ViewportGridService,
+    DisplaySetService
   } = servicesManager.services;
 
   const actions = {
@@ -23,6 +28,28 @@ const commandsModule = ({ servicesManager, commandsManager }) => {
     previousStage: () => {
       HangingProtocolService.previousProtocolStage();
     },
+    openDICOMTagViewer() {
+      const { activeViewportIndex, viewports } = ViewportGridService.getState();
+      const activeViewportSpecificData =
+        viewports[activeViewportIndex];
+      const {
+        displaySetInstanceUIDs,
+      } = activeViewportSpecificData;
+
+      const displaySets = DisplaySetService.activeDisplaySets;
+      const { UIModalService } = servicesManager.services;
+
+      const displaySetInstanceUID = displaySetInstanceUIDs[0]
+      UIModalService.show({
+        content: DicomTagBrowser,
+        contentProps: {
+          displaySets,
+          displaySetInstanceUID,
+          onClose: UIModalService.hide,
+        },
+        title: 'DICOM Tag Browser'
+      });
+    }
   };
 
   const definitions = {
@@ -46,6 +73,9 @@ const commandsModule = ({ servicesManager, commandsManager }) => {
       storeContexts: [],
       options: {},
     },
+    openDICOMTagViewer: {
+      commandFn: actions.openDICOMTagViewer,
+    }
   };
 
   return {
diff --git a/modes/longitudinal/src/toolbarButtons.js b/modes/longitudinal/src/toolbarButtons.js
index 12c8f2e1f..8daceca1a 100644
--- a/modes/longitudinal/src/toolbarButtons.js
+++ b/modes/longitudinal/src/toolbarButtons.js
@@ -377,6 +377,19 @@ const toolbarButtons = [
           ],
           'Reset'
         ),
+        _createActionButton(
+          'TagBrowser',
+          'list-bullets',
+          'Dicom Tag Browser',
+          [
+            {
+              commandName: 'openDICOMTagViewer',
+              commandOptions: {},
+              context: 'DEFAULT',
+          },
+          ],
+          'Dicom Tag Browser'
+        ),
         _createActionButton(
           'rotate-right',
           'tool-rotate-right',
diff --git a/platform/viewer/pluginConfig.json b/platform/viewer/pluginConfig.json
index 13e38f962..f69de2770 100644
--- a/platform/viewer/pluginConfig.json
+++ b/platform/viewer/pluginConfig.json
@@ -45,4 +45,4 @@
   ],
   "modesFactory": [],
   "umd": []
-}
+}
\ No newline at end of file