diff --git a/lib/adapters/test-result/transformers/db.ts b/lib/adapters/test-result/transformers/db.ts
index 3043766e8..1daff2ab1 100644
--- a/lib/adapters/test-result/transformers/db.ts
+++ b/lib/adapters/test-result/transformers/db.ts
@@ -16,6 +16,16 @@ export class DbTestResultTransformer {
 
     transform(testResult: ReporterTestResult): DbTestResult {
         const suiteUrl = getUrlWithBase(testResult.url, this._options.baseHost);
+        const imagesInfo = (testResult.imagesInfo ?? []).map(imageInfo => {
+            if (!_.isObject(imageInfo) || !('error' in imageInfo) || !imageInfo.error) {
+                return imageInfo;
+            }
+
+            return {
+                ...imageInfo,
+                error: getError(imageInfo.error)
+            };
+        });
 
         const metaInfoFull = _.merge(_.cloneDeep(testResult.meta), {
             url: testResult.meta?.url ?? suiteUrl ?? '',
@@ -34,7 +44,7 @@ export class DbTestResultTransformer {
             description: testResult.description,
             error: getError(testResult.error),
             skipReason: testResult.skipReason,
-            imagesInfo: testResult.imagesInfo ?? [],
+            imagesInfo,
             screenshot: Boolean(testResult.screenshot),
             multipleTabs: testResult.multipleTabs,
             status: testResult.status,
diff --git a/lib/common-utils.ts b/lib/common-utils.ts
index 7e0f09053..f4d689f50 100644
--- a/lib/common-utils.ts
+++ b/lib/common-utils.ts
@@ -148,12 +148,29 @@ export const hasUnrelatedToScreenshotsErrors = (error: TestError): boolean => {
         !isAssertViewError(error);
 };
 
+const SHORT_ERROR_STACK_MARKERS = [
+    'Tests were stopped by the user',
+    'NoRefImageError',
+    'Too many requests for session creation'
+];
+
+const formatErrorStack = (stack?: string): string | undefined => {
+    if (!stack || !SHORT_ERROR_STACK_MARKERS.some(marker => stack.includes(marker))) {
+        return stack;
+    }
+
+    return stack.split('\n')[0];
+};
+
 export const getError = (error?: TestError): undefined | Pick<TestError, 'name' | 'message' | 'stack' | 'stateName' | 'snippet'> => {
     if (!error) {
         return undefined;
     }
 
-    return pick(error, ['name', 'message', 'stack', 'stateName', 'snippet']);
+    return {
+        ...pick(error, ['name', 'message', 'stack', 'stateName', 'snippet']),
+        stack: formatErrorStack(error.stack)
+    };
 };
 
 export const hasDiff = (assertViewResults: {name?: string}[]): boolean => {
diff --git a/lib/gui/server.ts b/lib/gui/server.ts
index d9f393b2c..45643eab7 100644
--- a/lib/gui/server.ts
+++ b/lib/gui/server.ts
@@ -44,6 +44,7 @@ export const start = async (args: ServerArgs): Promise<ServerReadyData> => {
 
     const app = App.create(args);
     const server = express();
+    let stopAll = false;
 
     server.use(bodyParser.json({limit: MAX_REQUEST_SIZE}));
 
@@ -162,12 +163,19 @@ export const start = async (args: ServerArgs): Promise<ServerReadyData> => {
 
     server.post('/run', async (req, res) => {
         try {
+            stopAll = false;
             // do not wait for completion so that response does not hang and browser does not restart it by timeout
             // eslint-disable-next-line @typescript-eslint/explicit-function-return-type
             (async () => {
                 const {tests, repeatCount} = req.body;
 
                 for (let i = 0; i < repeatCount; i++) {
+                    if (stopAll) {
+                        stopAll = false;
+                        app.sendClientEvent(ClientEvents.REPEAT_LEFT, {repeatLeft: 0});
+                        break;
+                    }
+
                     await app.run(tests, {retry: repeatCount === 1});
 
                     app.sendClientEvent(ClientEvents.REPEAT_LEFT, {repeatLeft: repeatCount - i - 1});
@@ -285,6 +293,7 @@ export const start = async (args: ServerArgs): Promise<ServerReadyData> => {
 
     server.post('/stop', (_req, res) => {
         try {
+            stopAll = true;
             // pass 0 to prevent terminating testplane process
             toolAdapter.halt(new Error('Tests were stopped by the user'), 0);
             res.sendStatus(OK);
diff --git a/lib/static/new-ui/components/MainLayout/hotkeys.ts b/lib/static/new-ui/components/MainLayout/hotkeys.ts
index 1136f5a8c..96b2a48e8 100644
--- a/lib/static/new-ui/components/MainLayout/hotkeys.ts
+++ b/lib/static/new-ui/components/MainLayout/hotkeys.ts
@@ -28,6 +28,7 @@ export const HOTKEYS_GROUPS: HotkeysGroup[] = [
             {title: 'Next attempt', value: '→'},
             {title: 'Run current test', value: 'r'},
             {title: 'Run all/selected tests', value: 'shift+r'},
+            {title: 'Stop all tests', value: 'shift+s'},
             {title: 'Accept screenshot', value: 'a'},
             {title: 'Undo accept', value: 'u'},
             {title: 'Accept all/selected', value: 'shift+a'},
diff --git a/lib/static/new-ui/components/RunTest/index.module.css b/lib/static/new-ui/components/RunTest/index.module.css
index 7f7d66787..de04ef0e5 100644
--- a/lib/static/new-ui/components/RunTest/index.module.css
+++ b/lib/static/new-ui/components/RunTest/index.module.css
@@ -5,7 +5,14 @@
 }
 
 .retry-button {
+    padding-right: 4px;
+}
+
+.stop-button, .retry-button {
     composes: regular-button from global;
+}
+
+.stop-button {
     padding-right: 4px;
 }
 
diff --git a/lib/static/new-ui/components/RunTest/index.tsx b/lib/static/new-ui/components/RunTest/index.tsx
index d0e139664..acac3aebb 100644
--- a/lib/static/new-ui/components/RunTest/index.tsx
+++ b/lib/static/new-ui/components/RunTest/index.tsx
@@ -1,9 +1,9 @@
 import React, {forwardRef, ReactNode, useCallback, useState} from 'react';
 
 import styles from './index.module.css';
-import {Button, ButtonProps, Icon, Popover} from '@gravity-ui/uikit';
-import {ArrowRotateRight, ChevronDown} from '@gravity-ui/icons';
-import {thunkRunTest} from '@/static/modules/actions';
+import {Button, ButtonProps, Icon, Popover, Hotkey} from '@gravity-ui/uikit';
+import {ArrowRotateRight, ChevronDown, Stop} from '@gravity-ui/icons';
+import {thunkRunTest, thunkStopTests} from '@/static/modules/actions';
 import {useDispatch} from 'react-redux';
 import {RunTestsFeature} from '@/constants';
 import {useAnalytics} from '../../hooks/useAnalytics';
@@ -52,6 +52,28 @@ export const RunTestButton = forwardRef<HTMLButtonElement | HTMLAnchorElement, R
             setIsRunOptionsOpen(open);
         }, []);
 
+        const onStopClick = useCallback((): void => {
+            dispatch(thunkStopTests());
+        }, [thunkStopTests, dispatch]);
+
+        if (isRunning) {
+            return (
+                <div className={styles.buttonsContainer}>
+                    <Button
+                        ref={ref as any} // eslint-disable-line @typescript-eslint/no-explicit-any
+                        view={'action'}
+                        className={classNames(styles.stopButton, className)}
+                        onClick={onStopClick}
+                        {...buttonProps}
+                    >
+                        <Icon data={Stop}/>
+                        Stop all
+                        <Hotkey value="shift+s" view={buttonProps?.view === 'outlined' ? 'light' : 'dark'} />
+                    </Button>
+                </div>
+            );
+        }
+
         return <div className={styles.buttonsContainer}>
             <Button
                 ref={ref as any} // eslint-disable-line @typescript-eslint/no-explicit-any
diff --git a/lib/static/new-ui/components/TreeActionsToolbar/index.tsx b/lib/static/new-ui/components/TreeActionsToolbar/index.tsx
index 6093ab3f1..ec57839e5 100644
--- a/lib/static/new-ui/components/TreeActionsToolbar/index.tsx
+++ b/lib/static/new-ui/components/TreeActionsToolbar/index.tsx
@@ -11,6 +11,7 @@ import {
     Hierarchy,
     ListUl,
     Play,
+    Stop,
     Square,
     SquareCheck,
     SquareDashed,
@@ -28,7 +29,8 @@ import {
     staticAccepterStageScreenshot,
     staticAccepterUnstageScreenshot,
     thunkRefreshGuiReport,
-    thunkRunTests
+    thunkRunTests,
+    thunkStopTests
 } from '@/static/modules/actions';
 import {ImageEntity, TreeViewMode} from '@/static/new-ui/types/store';
 import {CHECKED, INDETERMINATE} from '@/constants/checked-statuses';
@@ -163,6 +165,10 @@ export function TreeActionsToolbar({onHighlightCurrentTest, className}: TreeActi
         }
     }, [analytics, isSelectedAtLeastOne, selectedTests, visibleBrowserIds, browsersById, dispatch]);
 
+    const handleStop = useCallback((): void => {
+        dispatch(thunkStopTests());
+    }, [thunkStopTests, dispatch]);
+
     const handleUndo = (): void => {
         const acceptableImageIds = activeImages
             .filter(image => isScreenRevertable({image, gui: isGuiMode, isLastResult: true, isStaticImageAccepterEnabled}))
@@ -197,6 +203,7 @@ export function TreeActionsToolbar({onHighlightCurrentTest, className}: TreeActi
     };
 
     useHotkey('shift+r', handleRun, {enabled: Boolean(isRunTestsAvailable) && !isRunning && isInitialized});
+    useHotkey('shift+s', handleStop, {enabled: Boolean(isRunTestsAvailable) && isRunning && isInitialized});
     useHotkey('shift+a', handleAccept, {enabled: Boolean(isEditScreensAvailable) && !areActionsDisabled && isAtLeastOneAcceptable && !isUndoButtonVisible});
 
     const loadedPluginConfigs = plugins.getLoadedConfigs();
@@ -225,15 +232,27 @@ export function TreeActionsToolbar({onHighlightCurrentTest, className}: TreeActi
                 />
             )}
             {isRunTestsAvailable && (
-                <IconButton
-                    className={styles.iconButton}
-                    icon={<Icon data={Play} height={14}/>}
-                    tooltip={<>Run {selectedOrVisible} ⋅ <Hotkey value="shift+r" view="light" /></>}
-                    text="Run"
-                    view={'flat'}
-                    onClick={handleRun}
-                    disabled={isRunning || !isInitialized}
-                />
+                isRunning ? (
+                    <IconButton
+                        className={styles.iconButton}
+                        icon={<Icon data={Stop} height={14}/>}
+                        tooltip={<>Stop all ⋅ <Hotkey value="shift+s" view="light" /></>}
+                        text="Stop"
+                        view={'flat'}
+                        onClick={handleStop}
+                        disabled={!isInitialized}
+                    />
+                ) : (
+                    <IconButton
+                        className={styles.iconButton}
+                        icon={<Icon data={Play} height={14}/>}
+                        tooltip={<>Run {selectedOrVisible} ⋅ <Hotkey value="shift+r" view="light" /></>}
+                        text="Run"
+                        view={'flat'}
+                        onClick={handleRun}
+                        disabled={!isInitialized}
+                    />
+                )
             )}
             {isRunTestsAvailable && hasRunTestOptions && <Popover
                 content={<div className={styles.runOptionsContainer}><ExtensionPoint name={ExtensionPointName.RunTestOptions}></ExtensionPoint></div>}
diff --git a/lib/static/new-ui/features/visual-checks/components/VisualChecksPage/VisualChecksStickyHeader.tsx b/lib/static/new-ui/features/visual-checks/components/VisualChecksPage/VisualChecksStickyHeader.tsx
index 8dc0beefc..59d7308dd 100644
--- a/lib/static/new-ui/features/visual-checks/components/VisualChecksPage/VisualChecksStickyHeader.tsx
+++ b/lib/static/new-ui/features/visual-checks/components/VisualChecksPage/VisualChecksStickyHeader.tsx
@@ -216,7 +216,7 @@ export function VisualChecksStickyHeader({currentNamedImage, treeData, onImageCh
                     >
                         <Button
                             view="outlined"
-                            className={styles.actionButton}
+                            className={styles.goToTest}
                             disabled={isRunning || isProcessing}
                             onClick={onSuites}
                             qa="go-suites-button"
diff --git a/lib/static/new-ui/features/visual-checks/components/VisualChecksPage/index.module.css b/lib/static/new-ui/features/visual-checks/components/VisualChecksPage/index.module.css
index b37e6dc30..6e876b8cc 100644
--- a/lib/static/new-ui/features/visual-checks/components/VisualChecksPage/index.module.css
+++ b/lib/static/new-ui/features/visual-checks/components/VisualChecksPage/index.module.css
@@ -66,6 +66,7 @@
     margin-left: 4px;
 }
 
-.action-button {
+.go-to-test {
+    composes: regular-button from global;
     padding-right: 4px;
 }
diff --git a/test/unit/lib/adapters/test-result/transformers/db.ts b/test/unit/lib/adapters/test-result/transformers/db.ts
new file mode 100644
index 000000000..ff170c1d7
--- /dev/null
+++ b/test/unit/lib/adapters/test-result/transformers/db.ts
@@ -0,0 +1,64 @@
+import {DbTestResultTransformer} from 'lib/adapters/test-result/transformers/db';
+import type {ReporterTestResult} from 'lib/adapters/test-result';
+import {ERROR} from 'lib/constants';
+
+describe('DbTestResultTransformer', () => {
+    it('should preserve non-object image info', () => {
+        const testResult = {
+            testPath: ['suite'],
+            browserId: 'chrome',
+            meta: {},
+            file: 'test.ts',
+            sessionId: 'session-id',
+            history: [],
+            imagesInfo: ['some-images'],
+            multipleTabs: true,
+            status: ERROR,
+            timestamp: 1,
+            duration: 1,
+            attachments: []
+        } as unknown as ReporterTestResult;
+
+        const result = new DbTestResultTransformer({}).transform(testResult);
+
+        assert.deepEqual(result.imagesInfo, ['some-images']);
+    });
+
+    it('should format an error stack inside image info', () => {
+        const stack = [
+            'NoRefImageError: can not find reference image at /reference/image.png',
+            '    at assertView (/path/to/assert-view.ts:1:1)'
+        ].join('\n');
+        const testResult = {
+            testPath: ['suite'],
+            browserId: 'chrome',
+            meta: {},
+            file: 'test.ts',
+            sessionId: 'session-id',
+            history: [],
+            imagesInfo: [{
+                status: ERROR,
+                stateName: 'plain',
+                actualImg: {path: '/actual/image.png'},
+                error: {
+                    name: 'NoRefImageError',
+                    message: 'can not find reference image at /reference/image.png',
+                    stack
+                }
+            }],
+            multipleTabs: true,
+            status: ERROR,
+            timestamp: 1,
+            duration: 1,
+            attachments: []
+        } as ReporterTestResult;
+
+        const result = new DbTestResultTransformer({}).transform(testResult);
+        const imageInfo = result.imagesInfo[0];
+
+        assert.equal(
+            'error' in imageInfo && imageInfo.error?.stack,
+            'NoRefImageError: can not find reference image at /reference/image.png'
+        );
+    });
+});
diff --git a/test/unit/lib/common-utils.ts b/test/unit/lib/common-utils.ts
index 3308eba0e..b2f133717 100644
--- a/test/unit/lib/common-utils.ts
+++ b/test/unit/lib/common-utils.ts
@@ -66,6 +66,31 @@ describe('common-utils', () => {
                 stateName: 'some-test'
             });
         });
+
+        it('should keep only first stack line for stopped-by-user error', () => {
+            const error = {
+                name: 'Error',
+                message: 'Tests were stopped by the user',
+                stack: [
+                    'Error: Tests were stopped by the user',
+                    '    at stopTests (/path/to/server.ts:1:1)',
+                    '    at processRequest (/path/to/router.ts:2:2)'
+                ].join('\n')
+            };
+
+            const result = getError(error);
+
+            assert.equal(result?.stack, 'Error: Tests were stopped by the user');
+            assert.include(error.stack, 'stopTests');
+        });
+
+        it('should keep full stack for other errors', () => {
+            const stack = 'Error: some-message\n    at some-function (/path/to/file.ts:1:1)';
+
+            const result = getError({name: 'Error', message: 'some-message', stack});
+
+            assert.equal(result?.stack, stack);
+        });
     });
 
     describe('hasDiff', () => {