diff --git a/components/github-contribution-graph.tsx b/components/github-contribution-graph.tsx
new file mode 100644
index 0000000..a9807f2
--- /dev/null
+++ b/components/github-contribution-graph.tsx
@@ -0,0 +1,230 @@
+"use client";
+
+import { useMemo, useState } from "react";
+import type { GithubContributionDay } from "@/lib/project-feeds";
+
+const CELL_SIZE = 10;
+const CELL_GAP = 2;
+const CELL_STEP = CELL_SIZE + CELL_GAP;
+const GRID_LEFT = 27;
+const GRID_TOP = 20;
+const GRAPH_HEIGHT = 104;
+const DAY_IN_MS = 24 * 60 * 60 * 1000;
+
+const LEVEL_CLASSES: Record<GithubContributionDay["level"], string> = {
+  0: "fill-[#eeeeee] dark:fill-zinc-800",
+  1: "fill-[#ff7373]",
+  2: "fill-[#ff5959]",
+  3: "fill-[#dc2626]",
+  4: "fill-[#b01e1e]",
+};
+
+type ContributionGraphLabels = {
+  calendar: string;
+  unavailable: string;
+  none: string;
+  singular: string;
+  plural: string;
+};
+
+type PositionedDay = GithubContributionDay & {
+  dayIndex: number;
+  weekIndex: number;
+  x: number;
+  y: number;
+};
+
+type ActiveDay = PositionedDay & {
+  label: string;
+};
+
+function parseDate(date: string) {
+  return new Date(`${date}T00:00:00Z`);
+}
+
+export function GithubContributionGraph({
+  days,
+  labels,
+  locale,
+}: {
+  days: GithubContributionDay[];
+  labels: ContributionGraphLabels;
+  locale: string;
+}) {
+  const [activeDay, setActiveDay] = useState<ActiveDay | null>(null);
+
+  const graph = useMemo(() => {
+    if (days.length === 0) return null;
+
+    const firstDate = parseDate(days[0].date);
+    const positionedDays: PositionedDay[] = days.map((day) => {
+      const date = parseDate(day.date);
+      const weekIndex = Math.floor(
+        (date.getTime() - firstDate.getTime()) / (7 * DAY_IN_MS),
+      );
+      const dayIndex = date.getUTCDay();
+
+      return {
+        ...day,
+        dayIndex,
+        weekIndex,
+        x: GRID_LEFT + weekIndex * CELL_STEP,
+        y: GRID_TOP + dayIndex * CELL_STEP,
+      };
+    });
+    const weekCount =
+      Math.max(...positionedDays.map((day) => day.weekIndex)) + 1;
+    const width = GRID_LEFT + weekCount * CELL_STEP + CELL_STEP;
+    const monthFormatter = new Intl.DateTimeFormat(
+      locale === "tr" ? "tr-TR" : "en-US",
+      { month: "short", timeZone: "UTC" },
+    );
+    const dateFormatter = new Intl.DateTimeFormat(
+      locale === "tr" ? "tr-TR" : "en-US",
+      { day: "numeric", month: "long", year: "numeric", timeZone: "UTC" },
+    );
+    const months: Array<{ label: string; x: number }> = [];
+    let previousMonth = firstDate.getUTCMonth();
+
+    positionedDays.forEach((day, index) => {
+      const date = parseDate(day.date);
+      const month = date.getUTCMonth();
+
+      if (index > 0 && month !== previousMonth) {
+        months.push({
+          label: monthFormatter.format(date).replace(".", ""),
+          x: day.x,
+        });
+      }
+
+      previousMonth = month;
+    });
+
+    return { positionedDays, months, width, dateFormatter };
+  }, [days, locale]);
+
+  if (!graph) {
+    return (
+      <div className="flex min-h-28 items-center justify-center text-sm text-muted-foreground">
+        {labels.unavailable}
+      </div>
+    );
+  }
+
+  const weekdayLabels =
+    locale === "tr"
+      ? [
+          { index: 1, label: "Pzt" },
+          { index: 3, label: "Çar" },
+          { index: 5, label: "Cum" },
+        ]
+      : [
+          { index: 1, label: "Mon" },
+          { index: 3, label: "Wed" },
+          { index: 5, label: "Fri" },
+        ];
+
+  function getTooltipLabel(day: GithubContributionDay) {
+    const date = graph?.dateFormatter.format(parseDate(day.date)) ?? day.date;
+
+    if (day.count === 0) return `${date}: ${labels.none}`;
+
+    return `${date}: ${day.count} ${
+      day.count === 1 ? labels.singular : labels.plural
+    }`;
+  }
+
+  const tooltipX = activeDay
+    ? Math.max(100, Math.min(graph.width - 100, activeDay.x + CELL_SIZE / 2))
+    : 0;
+  const tooltipBelow = Boolean(activeDay && activeDay.y < 48);
+
+  return (
+    <div className="overflow-x-auto rounded-sm">
+      <div
+        className="relative min-w-[740px]"
+        style={{ aspectRatio: `${graph.width} / ${GRAPH_HEIGHT}` }}
+      >
+        <svg
+          viewBox={`0 0 ${graph.width} ${GRAPH_HEIGHT}`}
+          aria-label={labels.calendar}
+          role="grid"
+          className="absolute inset-0 h-full w-full"
+          onMouseLeave={() => setActiveDay(null)}
+        >
+          {weekdayLabels.map((day) => (
+            <text
+              key={day.index}
+              x="0"
+              y={GRID_TOP + day.index * CELL_STEP + 8}
+              className="fill-muted-foreground text-[9px]"
+            >
+              {day.label}
+            </text>
+          ))}
+
+          {graph.months.map((month) => (
+            <text
+              key={`${month.label}-${month.x}`}
+              x={month.x}
+              y="10"
+              className="fill-muted-foreground text-[10px]"
+            >
+              {month.label}
+            </text>
+          ))}
+
+          {Array.from({ length: 7 }, (_, dayIndex) => (
+            <g key={dayIndex} role="row">
+              {graph.positionedDays
+                .filter((day) => day.dayIndex === dayIndex)
+                .map((day) => {
+                  const label = getTooltipLabel(day);
+
+                  return (
+                    <rect
+                      key={day.date}
+                      x={day.x}
+                      y={day.y}
+                      width={CELL_SIZE}
+                      height={CELL_SIZE}
+                      rx="1"
+                      role="gridcell"
+                      tabIndex={0}
+                      aria-label={label}
+                      className={`${LEVEL_CLASSES[day.level]} cursor-default outline-none transition-opacity hover:opacity-75 focus-visible:stroke-foreground focus-visible:stroke-2`}
+                      onMouseEnter={() =>
+                        setActiveDay({ ...day, label })
+                      }
+                      onFocus={() => setActiveDay({ ...day, label })}
+                      onBlur={() => setActiveDay(null)}
+                    />
+                  );
+                })}
+            </g>
+          ))}
+        </svg>
+
+        {activeDay ? (
+          <div
+            role="tooltip"
+            className="pointer-events-none absolute z-10 max-w-56 -translate-x-1/2 rounded-sm border border-border bg-popover px-2 py-1 text-center text-xs text-popover-foreground shadow-md"
+            style={{
+              left: `${(tooltipX / graph.width) * 100}%`,
+              top: `${
+                ((activeDay.y + (tooltipBelow ? CELL_SIZE + 3 : -3)) /
+                  GRAPH_HEIGHT) *
+                100
+              }%`,
+              transform: tooltipBelow
+                ? "translateX(-50%)"
+                : "translate(-50%, -100%)",
+            }}
+          >
+            {activeDay.label}
+          </div>
+        ) : null}
+      </div>
+    </div>
+  );
+}
diff --git a/components/projects-content.tsx b/components/projects-content.tsx
index 7a5bf0a..1ef254b 100644
--- a/components/projects-content.tsx
+++ b/components/projects-content.tsx
@@ -1,4 +1,3 @@
-import Image from "next/image";
 import { Link } from "@/i18n/routing";
 import { Icon } from "@iconify/react";
 import {
@@ -10,6 +9,7 @@ import {
   Typography,
 } from "poyraz-ui/atoms";
 import { StaggerContainer, StaggerItem } from "@/components/motion-wrapper";
+import { GithubContributionGraph } from "@/components/github-contribution-graph";
 import { ProjectCardWithPopover } from "@/components/project-card-with-popover";
 import {
   EXTENSIONS,
@@ -18,7 +18,11 @@ import {
   WEB_APPS,
   type ProjectItem,
 } from "@/data/projects";
-import { getGithubRepos, getNpmPackages } from "@/lib/project-feeds";
+import {
+  getGithubContributions,
+  getGithubRepos,
+  getNpmPackages,
+} from "@/lib/project-feeds";
 import { getTranslations, getLocale } from "next-intl/server";
 import { getLocalizedValue } from "@/lib/locale";
 
@@ -122,9 +126,10 @@ export async function ProjectsContent() {
   const t = await getTranslations("Projects");
   const locale = await getLocale();
 
-  const [repos, npmPackages] = await Promise.all([
+  const [repos, npmPackages, contributions] = await Promise.all([
     getGithubRepos(),
     getNpmPackages(),
+    getGithubContributions(),
   ]);
 
   const localizeItems = (items: ProjectItem[]): LocalizedProjectItem[] => {
@@ -140,16 +145,17 @@ export async function ProjectsContent() {
   return (
     <section className="flex h-full flex-col gap-8 overflow-y-auto md:gap-10">
       <Card className="rounded-sm border-border bg-background p-2">
-        <div className="overflow-x-auto rounded-sm">
-          <Image
-            src="https://ghchart.rshah.org/dc2626/poyrazavsever"
-            alt="poyrazavsever için GitHub katkı grafiği"
-            width={820}
-            height={120}
-            className="h-auto w-full min-w-[740px]"
-            unoptimized
-          />
-        </div>
+        <GithubContributionGraph
+          days={contributions}
+          locale={locale}
+          labels={{
+            calendar: t("contributionCalendar"),
+            unavailable: t("contributionUnavailable"),
+            none: t("noContributions"),
+            singular: t("contributionSingular"),
+            plural: t("contributionPlural"),
+          }}
+        />
       </Card>
 
       <ProjectSection
diff --git a/lib/project-feeds.ts b/lib/project-feeds.ts
index 693bbee..ac4e59d 100644
--- a/lib/project-feeds.ts
+++ b/lib/project-feeds.ts
@@ -24,6 +24,12 @@ export type GithubActivity = {
   createdAt: string;
 };
 
+export type GithubContributionDay = {
+  date: string;
+  count: number;
+  level: 0 | 1 | 2 | 3 | 4;
+};
+
 type GithubRepoApi = {
   id: number;
   name: string;
@@ -136,3 +142,54 @@ export async function getGithubActivity(): Promise<GithubActivity[]> {
     return [];
   }
 }
+
+export function parseGithubContributions(
+  html: string,
+): GithubContributionDay[] {
+  const contributions: GithubContributionDay[] = [];
+  const cellPattern =
+    /<td\b([^>]*\bdata-date="[^"]+"[^>]*)><\/td>\s*<tool-tip\b[^>]*>([\s\S]*?)<\/tool-tip>/g;
+
+  for (const match of html.matchAll(cellPattern)) {
+    const attributes = match[1];
+    const tooltip = match[2].replace(/<[^>]+>/g, "").trim();
+    const date = attributes.match(/data-date="([^"]+)"/)?.[1];
+    const levelValue = attributes.match(/data-level="([0-4])"/)?.[1];
+    const countValue = tooltip.match(/^([\d,]+)\s+contributions?\b/i)?.[1];
+
+    if (!date || levelValue === undefined) continue;
+
+    contributions.push({
+      date,
+      count: countValue ? Number(countValue.replaceAll(",", "")) : 0,
+      level: Number(levelValue) as GithubContributionDay["level"],
+    });
+  }
+
+  return contributions.sort((first, second) =>
+    first.date.localeCompare(second.date),
+  );
+}
+
+export async function getGithubContributions(): Promise<
+  GithubContributionDay[]
+> {
+  try {
+    const response = await fetch(
+      `https://github.com/users/${USERNAME}/contributions`,
+      {
+        next: { revalidate: 3600 },
+        headers: {
+          Accept: "text/html",
+          "User-Agent": "portfolio-new",
+        },
+      },
+    );
+
+    if (!response.ok) return [];
+
+    return parseGithubContributions(await response.text());
+  } catch {
+    return [];
+  }
+}
diff --git a/messages/en.json b/messages/en.json
index 9d56fce..3683387 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -68,6 +68,11 @@
     "technologies": "Technologies",
     "architecture": "Architecture",
     "viewCaseStudy": "View case study",
+    "contributionCalendar": "poyrazavsever GitHub contribution calendar",
+    "contributionUnavailable": "GitHub contribution data is currently unavailable.",
+    "noContributions": "No contributions",
+    "contributionSingular": "contribution",
+    "contributionPlural": "contributions",
     "emptyNpm": "npm API response is currently empty.",
     "emptyGithub": "GitHub API response is currently empty."
   },
diff --git a/messages/tr.json b/messages/tr.json
index 81b7b19..acc3e7d 100644
--- a/messages/tr.json
+++ b/messages/tr.json
@@ -68,6 +68,11 @@
     "technologies": "Teknolojiler",
     "architecture": "Mimari",
     "viewCaseStudy": "Vaka çalışmasını incele",
+    "contributionCalendar": "poyrazavsever GitHub katkı takvimi",
+    "contributionUnavailable": "GitHub katkı verisi şu anda alınamıyor.",
+    "noContributions": "Katkı yok",
+    "contributionSingular": "katkı",
+    "contributionPlural": "katkı",
     "emptyNpm": "npm API yanıtı şu anda boş.",
     "emptyGithub": "GitHub API yanıtı şu anda boş."
   },