diff --git a/package-lock.json b/package-lock.json
index 969ee529a..7277c1066 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,6 +17,9 @@
         "packages/vue",
         "packages/shared"
       ],
+      "dependencies": {
+        "seedrandom": "^3.0.5"
+      },
       "devDependencies": {
         "@commitlint/cli": "^19.3.0",
         "@commitlint/config-conventional": "^19.2.2",
@@ -21653,6 +21656,11 @@
       "integrity": "sha512-6aU+Rwsezw7VR8/nyvKTx8QpWH9FrcYiXXlqC4z5d5XQBDRqtbfsRjnwGyqbi3gddNtWHuEk9OANUotL26qKUw==",
       "dev": true
     },
+    "node_modules/seedrandom": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/seedrandom/-/seedrandom-3.0.5.tgz",
+      "integrity": "sha512-8OwmbklUNzwezjGInmZ+2clQmExQPvomqjL7LFqOYqtmuxRgQYqOD3mHaU+MvZn5FLUeVxVfQjwLZW/n/JFuqg=="
+    },
     "node_modules/select-hose": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
@@ -42082,6 +42090,11 @@
       "integrity": "sha512-6aU+Rwsezw7VR8/nyvKTx8QpWH9FrcYiXXlqC4z5d5XQBDRqtbfsRjnwGyqbi3gddNtWHuEk9OANUotL26qKUw==",
       "dev": true
     },
+    "seedrandom": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmjs.org/seedrandom/-/seedrandom-3.0.5.tgz",
+      "integrity": "sha512-8OwmbklUNzwezjGInmZ+2clQmExQPvomqjL7LFqOYqtmuxRgQYqOD3mHaU+MvZn5FLUeVxVfQjwLZW/n/JFuqg=="
+    },
     "select-hose": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/select-hose/-/select-hose-2.0.0.tgz",
diff --git a/package.json b/package.json
index bc298218e..7d91ce548 100644
--- a/package.json
+++ b/package.json
@@ -67,5 +67,8 @@
   },
   "lint-staged": {
     "*.{js,ts,jsx,tsx,svelte}": "eslint --quiet --cache --fix"
+  },
+  "dependencies": {
+    "seedrandom": "^3.0.5"
   }
 }
diff --git a/packages/dev/src/examples/xy-components/area/baseline-area/index.tsx b/packages/dev/src/examples/xy-components/area/baseline-area/index.tsx
index bf0f7c003..015c90cf9 100644
--- a/packages/dev/src/examples/xy-components/area/baseline-area/index.tsx
+++ b/packages/dev/src/examples/xy-components/area/baseline-area/index.tsx
@@ -1,13 +1,13 @@
 import React from 'react'
 import { VisXYContainer, VisArea, VisAxis, VisCrosshair } from '@unovis/react'
 
-import { XYDataRecord, generateXYDataRecords, generateXYTestDataRecords } from '@src/utils/data'
+import { XYDataRecord, generateXYDataRecords } from '@src/utils/data'
 
 export const title = 'Area Chart with Baseline'
 export const subTitle = 'Generated Data'
 
 export const component = (): JSX.Element => {
-  const data = generateXYTestDataRecords(20)
+  const data = generateXYDataRecords(20)
   const accessors = [
     (d: XYDataRecord) => d.y,
     (d: XYDataRecord) => d.y1,
diff --git a/packages/dev/src/examples/xy-components/area/basic-area/index.tsx b/packages/dev/src/examples/xy-components/area/basic-area/index.tsx
index b8e75a04f..095a2d282 100644
--- a/packages/dev/src/examples/xy-components/area/basic-area/index.tsx
+++ b/packages/dev/src/examples/xy-components/area/basic-area/index.tsx
@@ -1,7 +1,7 @@
 import React, { useRef } from 'react'
 import { VisXYContainer, VisArea, VisAxis, VisTooltip, VisCrosshair } from '@unovis/react'
 
-import { XYDataRecord, generateXYDataRecords, generateXYTestDataRecords } from '@src/utils/data'
+import { XYDataRecord, generateXYDataRecords } from '@src/utils/data'
 
 export const title = 'Basic Area Chart'
 export const subTitle = 'Generated Data'
@@ -14,7 +14,7 @@ export const component = (): JSX.Element => {
   ]
 
   return (
-    <VisXYContainer<XYDataRecord> data={generateXYTestDataRecords(15)} margin={{ top: 5, left: 5 }}>
+    <VisXYContainer<XYDataRecord> data={generateXYDataRecords(15)} margin={{ top: 5, left: 5 }}>
       <VisArea x={d => d.x} y={accessors} />
       <VisAxis type='x' numTicks={3} tickFormat={(x: number) => `${x}ms`}/>
       <VisAxis type='y' tickFormat={(y: number) => `${y}bps`}/>
diff --git a/packages/dev/src/examples/xy-components/area/index.tsx b/packages/dev/src/examples/xy-components/area/index.tsx
index eb49e6758..1718d202d 100644
--- a/packages/dev/src/examples/xy-components/area/index.tsx
+++ b/packages/dev/src/examples/xy-components/area/index.tsx
@@ -1,14 +1,14 @@
 import React from 'react'
 import { VisXYContainer, VisArea } from '@unovis/react'
 import { TransitionComponentProps } from '@src/components/TransitionComponent'
-import { generateXYDataRecords, XYDataRecord, generateXYTestDataRecords } from '@src/utils/data'
+import { generateXYDataRecords, XYDataRecord } from '@src/utils/data'
 
 export const transitionComponent: TransitionComponentProps<XYDataRecord[]> = {
-  data: generateXYTestDataRecords,
+  data: generateXYDataRecords,
   dataSeries: {
     noData: () => [],
     singleDataElement: d => [d[0]],
-    fewElements: () => generateXYTestDataRecords(3),
+    fewElements: () => generateXYDataRecords(3),
     singleLayer: d => d.map(d => ({ x: d.x, y: d.y })),
   },
   component: (props) => (
diff --git a/packages/dev/src/examples/xy-components/axis/axis-rotation/index.tsx b/packages/dev/src/examples/xy-components/axis/axis-rotation/index.tsx
index baca507e3..be340cd19 100644
--- a/packages/dev/src/examples/xy-components/axis/axis-rotation/index.tsx
+++ b/packages/dev/src/examples/xy-components/axis/axis-rotation/index.tsx
@@ -1,6 +1,6 @@
 import React, { useRef } from 'react'
 import { VisXYContainer, VisAxis, VisLine, VisGroupedBar } from '@unovis/react'
-import { XYDataRecord, generateXYDataRecords, generateXYTestDataRecords } from '@src/utils/data'
+import { XYDataRecord, generateXYDataRecords } from '@src/utils/data'
 import { Scale } from '@unovis/ts'
 
 export const title = 'Axis with Ticks Rotation'
@@ -16,7 +16,7 @@ export const component = (): JSX.Element => {
   ]
   return (
     <>
-      <VisXYContainer<XYDataRecord> data={generateXYTestDataRecords(15)}
+      <VisXYContainer<XYDataRecord> data={generateXYDataRecords(15)}
         xScale={Scale.scaleTime()}
         margin={{ top: 5, left: 5, bottom: 40, right: 5 }}>
         <VisLine x={d => d.x} y={accessors}/>
@@ -35,7 +35,7 @@ export const component = (): JSX.Element => {
         />
       </VisXYContainer>
 
-      <VisXYContainer<XYDataRecord> data={generateXYTestDataRecords(15)}
+      <VisXYContainer<XYDataRecord> data={generateXYDataRecords(15)}
         xScale={Scale.scaleTime()}
         margin={{ top: 35, left: 65, bottom: 5, right: 5 }}>
         <VisLine x={d => d.x} y={accessors}/>
@@ -55,7 +55,7 @@ export const component = (): JSX.Element => {
         />
       </VisXYContainer>
 
-      <VisXYContainer<XYDataRecord> ariaLabel='A simple example of a Grouped Bar chart' data={generateXYTestDataRecords(15)} margin={{ top: 5, left: 5 }} xDomain={[1, 10]}>
+      <VisXYContainer<XYDataRecord> ariaLabel='A simple example of a Grouped Bar chart' data={generateXYDataRecords(15)} margin={{ top: 5, left: 5 }} xDomain={[1, 10]}>
         <VisGroupedBar x={d => d.x} y={accessors} />
         <VisAxis
           type='x'
diff --git a/packages/dev/src/examples/xy-components/brush/basic-brush/index.tsx b/packages/dev/src/examples/xy-components/brush/basic-brush/index.tsx
index 26ae7eb2d..7d867e50e 100644
--- a/packages/dev/src/examples/xy-components/brush/basic-brush/index.tsx
+++ b/packages/dev/src/examples/xy-components/brush/basic-brush/index.tsx
@@ -2,7 +2,7 @@ import React, { useEffect, useMemo, useState } from 'react'
 import { D3BrushEvent } from 'd3-brush'
 import { VisXYContainer, VisArea, VisAxis, VisBrush } from '@unovis/react'
 
-import { XYDataRecord, generateXYDataRecords, generateXYTestDataRecords } from '@src/utils/data'
+import { XYDataRecord, generateXYDataRecords } from '@src/utils/data'
 
 // Style
 import s from './style.module.css'
@@ -18,7 +18,7 @@ export const component = (): JSX.Element => {
     (d: XYDataRecord) => d.y2,
   ]
 
-  const data = useMemo(() => generateXYTestDataRecords(25), [])
+  const data = useMemo(() => generateXYDataRecords(25), [])
   useEffect(() => {
     setTimeout(() => {
       setSelectedRange([data[0].x, data[10].x])
diff --git a/packages/dev/src/examples/xy-components/crosshair/stacked-vs-non-stacked/index.tsx b/packages/dev/src/examples/xy-components/crosshair/stacked-vs-non-stacked/index.tsx
index f561cb152..c32ae030a 100644
--- a/packages/dev/src/examples/xy-components/crosshair/stacked-vs-non-stacked/index.tsx
+++ b/packages/dev/src/examples/xy-components/crosshair/stacked-vs-non-stacked/index.tsx
@@ -1,6 +1,6 @@
 import React from 'react'
 import { VisXYContainer, VisArea, VisCrosshair, VisGroupedBar, VisLine, VisScatter, VisStackedBar } from '@unovis/react'
-import { generateXYDataRecords, XYDataRecord, generateXYTestDataRecords } from '@src/utils/data'
+import { generateXYDataRecords, XYDataRecord } from '@src/utils/data'
 
 import s from './styles.module.css'
 
@@ -8,7 +8,7 @@ export const title = 'Stacked vs Non-Stacked'
 export const subTitle = 'XY component comparison'
 
 export const component = (): JSX.Element => {
-  const data = generateXYTestDataRecords(10)
+  const data = generateXYDataRecords(10)
   const x = (d: XYDataRecord): number => d.x
   const y = (d: XYDataRecord): number | undefined => d.y
   const yStacked = [
diff --git a/packages/dev/src/utils/data.ts b/packages/dev/src/utils/data.ts
index e61c924dc..e58344b43 100644
--- a/packages/dev/src/utils/data.ts
+++ b/packages/dev/src/utils/data.ts
@@ -1,5 +1,8 @@
 import { GenericDataRecord } from '@unovis/ts'
 import { sample } from './array'
+/* eslint-disable-next-line @typescript-eslint/no-var-requires, @typescript-eslint/naming-convention */
+const SeedRandom = require('seedrandom')
+const rng = new SeedRandom('hello.')
 
 export type XYDataRecord = {
   x: number;
@@ -42,54 +45,36 @@ export type NestedDatum = GenericDataRecord & {
 export function generateXYDataRecords (n = 10): XYDataRecord[] {
   return Array(n).fill(0).map((_, i) => ({
     x: i,
-    y: 5 + 5 * Math.random(),
-    y1: 1 + 3 * Math.random(),
-    y2: 2 * Math.random(),
+    y: 5 + 5 * rng(),
+    y1: 1 + 3 * rng(),
+    y2: 2 * rng(),
   }))
 }
 
-const randomArray = [0.03, 0.73, 0.46, 0.88, 0.34, 0.63, 0.12, 0.56, 0.67, 0.22, 0.08, 0.92, 0.72, 0.71, 0.04, 0.03, 0.69, 0.18, 0.14, 0.78, 0.45]
-
-export function generateXYTestDataRecords (n = 10): XYDataRecord[] {
-  let idx = -1
-  return Array(n).fill(0).map((_, i) => {
-    if (i >= 20) {
-      idx = idx % 20
-    }
-    idx++
-    return {
-      x: i,
-      y: 5 + 5 * randomArray[idx],
-      y1: 1 + 3 * randomArray[idx],
-      y2: 2 * randomArray[idx],
-    }
-  })
-}
-
 export function generateStackedDataRecords (n = 10, count = 6): StackedDataRecord[] {
   return Array(n).fill(0).map((_, i) => ({
     x: i,
-    ys: Array(count).fill(0).map((_, i) => (i * count / 3) + (count * Math.random())),
+    ys: Array(count).fill(0).map((_, i) => (i * count / 3) + (count * rng())),
   }))
 }
 
 export function generateTimeSeries (n = 10, types = n, lengthMultiplier = 1): TimeDataRecord[] {
   const groups = Array(types).fill(0).map((_, i) => String.fromCharCode(i + 65))
   return Array(n).fill(0).map((_, i: number) => ({
-    timestamp: Date.now() + i * 1000 * 60 * 60 * 24 + (Math.random() - 0.5) * 5 * 1000 * 60 * 60 * 24,
+    timestamp: Date.now() + i * 1000 * 60 * 60 * 24 + (rng() - 0.5) * 5 * 1000 * 60 * 60 * 24,
     value: i / 10 + Math.sin(i / 5) + Math.cos(i / 3),
-    length: Math.round(lengthMultiplier * 1000 * 60 * 60 * 24) * (0.2 + Math.random()),
+    length: Math.round(lengthMultiplier * 1000 * 60 * 60 * 24) * (0.2 + rng()),
     type: groups[i % groups.length],
   }))
 }
 
 
 export function generateNodeLinkData (n = 10, numNeighbourLinks = () => 1): NodeLinkData {
-  const nodes = Array(n).fill(0).map((_, i) => ({ i, id: (i + 1).toString(), value: 100 * Math.random() }))
+  const nodes = Array(n).fill(0).map((_, i) => ({ i, id: (i + 1).toString(), value: 100 * rng() }))
   const options = [...nodes].slice(1)
   const links = nodes.reduce((arr, n) => {
     if (options.length) {
-      const num = Math.max(1, Math.random() * options.length)
+      const num = Math.max(1, rng() * options.length)
       for (let i = 0; i < num; i++) {
         const targetId = options.shift()?.id
         for (let k = 0; k < numNeighbourLinks(); k++) {
@@ -97,7 +82,7 @@ export function generateNodeLinkData (n = 10, numNeighbourLinks = () => 1): Node
             id: `${n.id}-${targetId}`,
             source: n.id,
             target: targetId,
-            value: Math.random(),
+            value: rng(),
           }
           arr.push(link)
         }
@@ -113,14 +98,14 @@ export function generatePrecalculatedNodeLinkData (n = 10, numNeighbourLinks = (
   const nodes = Array(n).fill(0).map((_, i) => ({
     i,
     id: (i + 1).toString(),
-    value: 100 * Math.random(),
+    value: 100 * rng(),
     x: 50 * i,
     y: 50 * i,
   }))
   const options = [...nodes].slice(1)
   const links = nodes.reduce((arr, n) => {
     if (options.length) {
-      const num = Math.max(1, Math.random() * options.length)
+      const num = Math.max(1, rng() * options.length)
       for (let i = 0; i < num; i++) {
         const targetId = options.shift()?.id
         for (let k = 0; k < numNeighbourLinks(); k++) {
@@ -128,7 +113,7 @@ export function generatePrecalculatedNodeLinkData (n = 10, numNeighbourLinks = (
             id: `${n.id}-${targetId}`,
             source: n.id,
             target: targetId,
-            value: Math.random(),
+            value: rng(),
           }
           arr.push(link)
         }
@@ -157,7 +142,7 @@ export function generateHierarchyData (n: number, levels: Record<string, number>
   const nodes = Array(n).fill(0).map((_, i) => {
     const obj: NodeDatum = { id: i.toString(), label: `N${i}` }
     Object.keys(levels).forEach(key => {
-      obj[key] = `${key}${Math.floor(Math.random() * levels[key])}`
+      obj[key] = `${key}${Math.floor(rng() * levels[key])}`
     })
     return obj
   })
@@ -166,7 +151,7 @@ export function generateHierarchyData (n: number, levels: Record<string, number>
     links: Array(n / 2).fill(0).map(() => ({
       source: sample(nodes),
       target: sample(nodes),
-      value: Math.random(),
+      value: rng(),
     })),
   }
 }