diff --git a/README.md b/README.md
index 7972bad7..5fb8fb12 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,6 @@ This readme file is used mostly to document project dependencies and conventions
   - js-file-download
   - use-debounce
   - qrcode.react
-  - html-to-image
   - zustand
   - zod
   - @hookform/resolvers
diff --git a/TODO.txt b/TODO.txt
index ab3e1681..7447f73a 100644
--- a/TODO.txt
+++ b/TODO.txt
@@ -8,9 +8,10 @@ For more specific TODOs see comments in code
 - Landing page
 - Design first user experience
 - Demo sandbox for anonymous users
+- Save react-flow to vector image
 
 User profile: 
-- Settings + settings server persistency
+- Settings server persistency
 - Profile pictures
 - Custom LibraryItem lists
 - Custom user filters and sharing filters
@@ -39,7 +40,6 @@ User profile:
 
 [Tech]
 - duplicate syntax parsing and type info calculations to client. Consider moving backend to Nodejs or embedding c++ lib
-- Testing E2E playwright
 
 
 [Deployment]
@@ -60,7 +60,6 @@ Research and consider integration
 - skeleton loading
 https://react.dev/reference/react/Suspense
 
-- backend error message unification
 - drf-messages
 https://drf-standardized-errors.readthedocs.io/en/latest/error_response.html
 
diff --git a/rsconcept/frontend/package-lock.json b/rsconcept/frontend/package-lock.json
index ecaa47a2..8bc71e61 100644
--- a/rsconcept/frontend/package-lock.json
+++ b/rsconcept/frontend/package-lock.json
@@ -19,7 +19,6 @@
         "axios": "^1.7.9",
         "clsx": "^2.1.1",
         "global": "^4.4.0",
-        "html-to-image": "^1.11.13",
         "js-file-download": "^0.4.12",
         "qrcode.react": "^4.2.0",
         "react": "^19.0.0",
@@ -6719,12 +6718,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/html-to-image": {
-      "version": "1.11.13",
-      "resolved": "https://registry.npmjs.org/html-to-image/-/html-to-image-1.11.13.tgz",
-      "integrity": "sha512-cuOPoI7WApyhBElTTb9oqsawRvZ0rHhaHwghRLlTuffoD1B2aDemlCruLeZrUIIdvG7gs9xeELEPm6PhuASqrg==",
-      "license": "MIT"
-    },
     "node_modules/human-signals": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/human-signals/-/human-signals-2.1.0.tgz",
diff --git a/rsconcept/frontend/package.json b/rsconcept/frontend/package.json
index 509f03c9..e18f2788 100644
--- a/rsconcept/frontend/package.json
+++ b/rsconcept/frontend/package.json
@@ -24,7 +24,6 @@
     "axios": "^1.7.9",
     "clsx": "^2.1.1",
     "global": "^4.4.0",
-    "html-to-image": "^1.11.13",
     "js-file-download": "^0.4.12",
     "qrcode.react": "^4.2.0",
     "react": "^19.0.0",
diff --git a/rsconcept/frontend/src/features/help/items/ui/HelpOssGraph.tsx b/rsconcept/frontend/src/features/help/items/ui/HelpOssGraph.tsx
index 64be15ef..84105109 100644
--- a/rsconcept/frontend/src/features/help/items/ui/HelpOssGraph.tsx
+++ b/rsconcept/frontend/src/features/help/items/ui/HelpOssGraph.tsx
@@ -10,7 +10,6 @@ import {
   IconExecute,
   IconFitImage,
   IconGrid,
-  IconImage,
   IconLineStraight,
   IconLineWave,
   IconNewItem,
@@ -82,9 +81,6 @@ export function HelpOssGraph() {
           <li>
             <IconSave className='inline-icon' /> Сохранить положения
           </li>
-          <li>
-            <IconImage className='inline-icon' /> Сохранить в SVG
-          </li>
         </div>
 
         <Divider vertical margins='mx-3' className='hidden sm:block' />
diff --git a/rsconcept/frontend/src/features/help/items/ui/HelpRSGraphTerm.tsx b/rsconcept/frontend/src/features/help/items/ui/HelpRSGraphTerm.tsx
index 85b9f8a6..99d920a6 100644
--- a/rsconcept/frontend/src/features/help/items/ui/HelpRSGraphTerm.tsx
+++ b/rsconcept/frontend/src/features/help/items/ui/HelpRSGraphTerm.tsx
@@ -11,7 +11,6 @@ import {
   IconGraphInputs,
   IconGraphMaximize,
   IconGraphOutputs,
-  IconImage,
   IconNewItem,
   IconOSS,
   IconPredecessor,
@@ -85,9 +84,6 @@ export function HelpRSGraphTerm() {
             <IconTypeGraph className='inline-icon' /> Открыть{' '}
             <LinkTopic text='граф ступеней' topic={HelpTopic.UI_TYPE_GRAPH} />
           </li>
-          <li>
-            <IconImage className='inline-icon' /> Сохранить в формат PNG
-          </li>
         </div>
 
         <Divider vertical margins='mx-3' className='hidden sm:block' />
diff --git a/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssGraph/OssFlow.tsx b/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssGraph/OssFlow.tsx
index f748e9a6..03883bdf 100644
--- a/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssGraph/OssFlow.tsx
+++ b/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssGraph/OssFlow.tsx
@@ -4,8 +4,6 @@ import { useEffect, useState } from 'react';
 import { toast } from 'react-toastify';
 import {
   Background,
-  getNodesBounds,
-  getViewportForBounds,
   type Node,
   ReactFlow,
   useEdgesState,
@@ -13,7 +11,6 @@ import {
   useOnSelectionChange,
   useReactFlow
 } from 'reactflow';
-import { toPng } from 'html-to-image';
 
 import { urls, useConceptNavigation } from '@/app';
 import { useLibrary } from '@/features/library';
@@ -21,7 +18,6 @@ import { useLibrary } from '@/features/library';
 import { Overlay } from '@/components/Container';
 import { useMainHeight } from '@/stores/appLayout';
 import { useTooltipsStore } from '@/stores/tooltips';
-import { APP_COLORS } from '@/styling/colors';
 import { PARAMETER } from '@/utils/constants';
 import { errorMsg } from '@/utils/labels';
 
@@ -203,39 +199,6 @@ export function OssFlow() {
     promptRelocateConstituents(target, getPositions());
   }
 
-  function handleSaveImage() {
-    const canvas: HTMLElement | null = document.querySelector('.react-flow__viewport');
-    if (canvas === null) {
-      toast.error(errorMsg.imageFailed);
-      return;
-    }
-
-    const imageWidth = PARAMETER.ossImageWidth;
-    const imageHeight = PARAMETER.ossImageHeight;
-    const nodesBounds = getNodesBounds(nodes);
-    const viewport = getViewportForBounds(nodesBounds, imageWidth, imageHeight, ZOOM_MIN, ZOOM_MAX);
-    toPng(canvas, {
-      backgroundColor: APP_COLORS.bgDefault,
-      width: imageWidth,
-      height: imageHeight,
-      style: {
-        width: String(imageWidth),
-        height: String(imageHeight),
-        transform: `translate(${viewport.x}px, ${viewport.y}px) scale(${viewport.zoom})`
-      }
-    })
-      .then(dataURL => {
-        const a = document.createElement('a');
-        a.setAttribute('download', `${schema.alias}.png`);
-        a.setAttribute('href', dataURL);
-        a.click();
-      })
-      .catch(error => {
-        console.error(error);
-        toast.error(errorMsg.imageFailed);
-      });
-  }
-
   function handleContextMenu(event: React.MouseEvent<Element>, node: OssNode) {
     event.preventDefault();
     event.stopPropagation();
@@ -306,7 +269,6 @@ export function OssFlow() {
           onExecute={handleExecuteSelected}
           onResetPositions={() => setToggleReset(prev => !prev)}
           onSavePositions={handleSavePositions}
-          onSaveImage={handleSaveImage}
         />
       </Overlay>
       {menuProps ? (
diff --git a/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssGraph/ToolbarOssGraph.tsx b/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssGraph/ToolbarOssGraph.tsx
index e92e5d69..beee6f8c 100644
--- a/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssGraph/ToolbarOssGraph.tsx
+++ b/rsconcept/frontend/src/features/oss/pages/OssPage/EditorOssGraph/ToolbarOssGraph.tsx
@@ -13,7 +13,6 @@ import {
   IconExecute,
   IconFitImage,
   IconGrid,
-  IconImage,
   IconLineStraight,
   IconLineWave,
   IconNewItem,
@@ -34,7 +33,6 @@ interface ToolbarOssGraphProps {
   onEdit: () => void;
   onExecute: () => void;
   onFitView: () => void;
-  onSaveImage: () => void;
   onSavePositions: () => void;
   onResetPositions: () => void;
 }
@@ -45,7 +43,6 @@ export function ToolbarOssGraph({
   onEdit,
   onExecute,
   onFitView,
-  onSaveImage,
   onSavePositions,
   onResetPositions
 }: ToolbarOssGraphProps) {
@@ -127,11 +124,6 @@ export function ToolbarOssGraph({
           }
           onClick={toggleEdgeAnimate}
         />
-        <MiniButton
-          icon={<IconImage size='1.25rem' className='icon-primary' />}
-          title='Сохранить изображение'
-          onClick={onSaveImage}
-        />
         <BadgeHelp
           topic={HelpTopic.UI_OSS_GRAPH}
           className={clsx(PARAMETER.TOOLTIP_WIDTH, 'sm:max-w-[40rem]')}
diff --git a/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorTermGraph/ToolbarTermGraph.tsx b/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorTermGraph/ToolbarTermGraph.tsx
index 34c602e2..de48e444 100644
--- a/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorTermGraph/ToolbarTermGraph.tsx
+++ b/rsconcept/frontend/src/features/rsform/pages/RSFormPage/EditorTermGraph/ToolbarTermGraph.tsx
@@ -1,7 +1,5 @@
-import { toast } from 'react-toastify';
-import { getNodesBounds, getViewportForBounds, useReactFlow } from 'reactflow';
+import { useReactFlow } from 'reactflow';
 import clsx from 'clsx';
-import { toPng } from 'html-to-image';
 
 import { BadgeHelp, HelpTopic } from '@/features/help';
 import { MiniSelectorOSS } from '@/features/library';
@@ -15,26 +13,21 @@ import {
   IconDestroy,
   IconFilter,
   IconFitImage,
-  IconImage,
   IconNewItem,
   IconText,
   IconTextOff,
   IconTypeGraph
 } from '@/components/Icons';
 import { useDialogsStore } from '@/stores/dialogs';
-import { usePreferencesStore } from '@/stores/preferences';
-import { APP_COLORS } from '@/styling/colors';
 import { PARAMETER } from '@/utils/constants';
-import { errorMsg } from '@/utils/labels';
 
 import { useMutatingRSForm } from '../../../backend/useMutatingRSForm';
 import { useRSEdit } from '../RSEditContext';
 
-import { VIEW_PADDING, ZOOM_MAX, ZOOM_MIN } from './TGFlow';
+import { VIEW_PADDING } from './TGFlow';
 
 export function ToolbarTermGraph() {
   const isProcessing = useMutatingRSForm();
-  const darkMode = usePreferencesStore(state => state.darkMode);
   const {
     schema, //
     selected,
@@ -49,7 +42,7 @@ export function ToolbarTermGraph() {
   const filter = useTermGraphStore(state => state.filter);
   const setFilter = useTermGraphStore(state => state.setFilter);
 
-  const { fitView, getNodes } = useReactFlow();
+  const { fitView } = useReactFlow();
 
   function handleShowTypeGraph() {
     const typeInfo = schema.items.map(item => ({
@@ -79,39 +72,6 @@ export function ToolbarTermGraph() {
     });
   }
 
-  function handleSaveImage() {
-    const canvas: HTMLElement | null = document.querySelector('.react-flow__viewport');
-    if (canvas === null) {
-      toast.error(errorMsg.imageFailed);
-      return;
-    }
-
-    const imageWidth = PARAMETER.ossImageWidth;
-    const imageHeight = PARAMETER.ossImageHeight;
-    const nodesBounds = getNodesBounds(getNodes());
-    const viewport = getViewportForBounds(nodesBounds, imageWidth, imageHeight, ZOOM_MIN, ZOOM_MAX);
-    toPng(canvas, {
-      backgroundColor: darkMode ? APP_COLORS.bgDefaultDark : APP_COLORS.bgDefaultLight,
-      width: imageWidth,
-      height: imageHeight,
-      style: {
-        width: String(imageWidth),
-        height: String(imageHeight),
-        transform: `translate(${viewport.x}px, ${viewport.y}px) scale(${viewport.zoom * 2})`
-      }
-    })
-      .then(dataURL => {
-        const a = document.createElement('a');
-        a.setAttribute('download', `${schema.alias}.png`);
-        a.setAttribute('href', dataURL);
-        a.click();
-      })
-      .catch(error => {
-        console.error(error);
-        toast.error(errorMsg.imageFailed);
-      });
-  }
-
   function handleFitView() {
     setTimeout(() => {
       fitView({ duration: PARAMETER.zoomDuration, padding: VIEW_PADDING });
@@ -186,11 +146,6 @@ export function ToolbarTermGraph() {
         title='Граф ступеней'
         onClick={handleShowTypeGraph}
       />
-      <MiniButton
-        icon={<IconImage size='1.25rem' className='icon-primary' />}
-        title='Сохранить изображение'
-        onClick={handleSaveImage}
-      />
       <BadgeHelp
         topic={HelpTopic.UI_GRAPH_TERM}
         className={clsx(PARAMETER.TOOLTIP_WIDTH, 'sm:max-w-[40rem]')}
diff --git a/rsconcept/frontend/src/styling/colors.ts b/rsconcept/frontend/src/styling/colors.ts
index afc3df42..d04924e1 100644
--- a/rsconcept/frontend/src/styling/colors.ts
+++ b/rsconcept/frontend/src/styling/colors.ts
@@ -5,8 +5,6 @@
 /** Semantic colors for application. */
 // prettier-ignore
 export const APP_COLORS = {
-  bgDefaultLight:     '#fafafa',
-  bgDefaultDark:      '#171717',
   bgDefault:          'var(--clr-prim-100)',
   bgInput:            'var(--clr-prim-0)', 
   bgControls:         'var(--clr-prim-200)',