diff --git a/client/dom/index.mjs b/client/dom/index.mjs
index 456571e2..d19c8009 100644
--- a/client/dom/index.mjs
+++ b/client/dom/index.mjs
@@ -11,7 +11,7 @@ import renameCurrent from './operations/rename-current.mjs';
 import * as CurrentFile from './current-file.mjs';
 import * as DOMTree from './dom-tree.mjs';
 import * as Cmd from './cmd.mjs';
-import IO from './io/index.js';
+import * as IO from './io/index.mjs';
 import {uploadDirectory} from './directory.mjs';
 import * as Buffer from './buffer.mjs';
 import {loadRemote as _loadRemote} from './load-remote.mjs';
diff --git a/client/dom/io/index.js b/client/dom/io/index.mjs
similarity index 78%
rename from client/dom/io/index.js
rename to client/dom/io/index.mjs
index d69d31af..b0c55e0a 100644
--- a/client/dom/io/index.js
+++ b/client/dom/io/index.mjs
@@ -1,13 +1,11 @@
-'use strict';
-
-const {FS} = require('#common/cloudfunc');
-const _sendRequest = require('./send-request');
+import {FS} from '#common/cloudfunc';
+import {sendRequest as _sendRequest} from './send-request.mjs';
 
 const imgPosition = {
     top: true,
 };
 
-module.exports.delete = async (url, data) => {
+export const remove = async (url, data) => {
     return await _sendRequest({
         method: 'DELETE',
         url: FS + url,
@@ -18,7 +16,7 @@ module.exports.delete = async (url, data) => {
     });
 };
 
-module.exports.patch = async (url, data) => {
+export const patch = async (url, data) => {
     return await _sendRequest({
         method: 'PATCH',
         url: FS + url,
@@ -27,7 +25,7 @@ module.exports.patch = async (url, data) => {
     });
 };
 
-module.exports.write = async (url, data) => {
+export const write = async (url, data) => {
     return await _sendRequest({
         method: 'PUT',
         url: FS + url,
@@ -36,7 +34,7 @@ module.exports.write = async (url, data) => {
     });
 };
 
-module.exports.createDirectory = async (url, overrides = {}) => {
+export const createDirectory = async (url, overrides = {}) => {
     const {
         sendRequest = _sendRequest,
     } = overrides;
@@ -48,7 +46,7 @@ module.exports.createDirectory = async (url, overrides = {}) => {
     });
 };
 
-module.exports.read = async (url, dataType = 'text') => {
+export const read = async (url, dataType = 'text') => {
     const notLog = !url.includes('?');
     
     return await _sendRequest({
@@ -59,7 +57,7 @@ module.exports.read = async (url, dataType = 'text') => {
     });
 };
 
-module.exports.copy = async (from, to, names) => {
+export const copy = async (from, to, names) => {
     return await _sendRequest({
         method: 'PUT',
         url: '/copy',
@@ -72,7 +70,7 @@ module.exports.copy = async (from, to, names) => {
     });
 };
 
-module.exports.pack = async (data) => {
+export const pack = async (data) => {
     return await _sendRequest({
         method: 'PUT',
         url: '/pack',
@@ -80,7 +78,7 @@ module.exports.pack = async (data) => {
     });
 };
 
-module.exports.extract = async (data) => {
+export const extract = async (data) => {
     return await _sendRequest({
         method: 'PUT',
         url: '/extract',
@@ -88,7 +86,7 @@ module.exports.extract = async (data) => {
     });
 };
 
-module.exports.move = async (from, to, names) => {
+export const move = async (from, to, names) => {
     return await _sendRequest({
         method: 'PUT',
         url: '/move',
@@ -101,7 +99,7 @@ module.exports.move = async (from, to, names) => {
     });
 };
 
-module.exports.rename = async (from, to) => {
+export const rename = async (from, to) => {
     return await _sendRequest({
         method: 'PUT',
         url: '/rename',
@@ -113,7 +111,7 @@ module.exports.rename = async (from, to) => {
     });
 };
 
-module.exports.Config = {
+export const Config = {
     read: async () => {
         return await _sendRequest({
             method: 'GET',
@@ -133,7 +131,7 @@ module.exports.Config = {
     },
 };
 
-module.exports.Markdown = {
+export const Markdown = {
     read: async (url) => {
         return await _sendRequest({
             method: 'GET',
diff --git a/client/dom/io/index.spec.js b/client/dom/io/index.spec.mjs
similarity index 80%
rename from client/dom/io/index.spec.js
rename to client/dom/io/index.spec.mjs
index 19ebe5bd..ec2f0dfc 100644
--- a/client/dom/io/index.spec.js
+++ b/client/dom/io/index.spec.mjs
@@ -1,7 +1,5 @@
-'use strict';
-
-const {test, stub} = require('supertape');
-const io = require('.');
+import {test, stub} from 'supertape';
+import * as io from './index.mjs';
 
 test('client: dom: io', (t) => {
     const sendRequest = stub();
diff --git a/client/dom/io/send-request.js b/client/dom/io/send-request.mjs
similarity index 80%
rename from client/dom/io/send-request.js
rename to client/dom/io/send-request.mjs
index e32edc56..177d34b5 100644
--- a/client/dom/io/send-request.js
+++ b/client/dom/io/send-request.mjs
@@ -1,12 +1,9 @@
-'use strict';
-
 /* global CloudCmd */
-const {promisify} = require('es6-promisify');
+import {promisify} from 'es6-promisify';
+import * as Images from '#dom/images';
+import * as load from '#dom/load';
 
-const Images = require('#dom/images');
-const load = require('#dom/load');
-
-module.exports = promisify((params, callback) => {
+export const sendRequest = promisify((params, callback) => {
     const p = params;
     const {prefixURL} = CloudCmd;
     
@@ -40,7 +37,8 @@ module.exports = promisify((params, callback) => {
     });
 });
 
-module.exports._replaceHash = replaceHash;
+export const _replaceHash = replaceHash;
+
 function replaceHash(url) {
     /*
      * if we send ajax request -
diff --git a/client/dom/io/send-request.spec.js b/client/dom/io/send-request.spec.mjs
similarity index 69%
rename from client/dom/io/send-request.spec.js
rename to client/dom/io/send-request.spec.mjs
index d0c7aa88..9b151a3c 100644
--- a/client/dom/io/send-request.spec.js
+++ b/client/dom/io/send-request.spec.mjs
@@ -1,7 +1,5 @@
-'use strict';
-
-const {test} = require('supertape');
-const {_replaceHash} = require('./send-request');
+import {test} from 'supertape';
+import {_replaceHash} from './send-request.mjs';
 
 test('cloudcmd: client: io: replaceHash', (t) => {
     const url = '/hello/####world';
diff --git a/client/dom/rest.mjs b/client/dom/rest.mjs
index 75562419..99504cb6 100644
--- a/client/dom/rest.mjs
+++ b/client/dom/rest.mjs
@@ -2,7 +2,7 @@ import {tryToCatch} from 'try-to-catch';
 import * as Dialog from '#dom/dialog';
 import * as Images from '#dom/images';
 import {encode} from '#common/entity';
-import IO from './io/index.js';
+import * as IO from './io/index.mjs';
 
 const handleError = (promise) => async (...args) => {
     const [e, data] = await tryToCatch(promise, ...args);
@@ -18,7 +18,7 @@ const handleError = (promise) => async (...args) => {
     return [e, data];
 };
 
-export const remove = handleError(IO.delete);
+export const remove = handleError(IO.remove);
 export const patch = handleError(IO.patch);
 export const write = handleError(IO.write);
 export const createDirectory = handleError(IO.createDirectory);
diff --git a/client/modules/markdown.mjs b/client/modules/markdown.mjs
index b125717a..c94c64e8 100644
--- a/client/modules/markdown.mjs
+++ b/client/modules/markdown.mjs
@@ -4,6 +4,7 @@ import {Markdown} from '#dom/rest';
 import {alert} from '#dom/dialog';
 
 const {CloudCmd} = globalThis;
+
 CloudCmd.Markdown = {
     init,
     show,