diff --git a/app/main.py b/app/main.py
index c5d112e..ce5c191 100644
--- a/app/main.py
+++ b/app/main.py
@@ -190,17 +190,63 @@ async def nbp_rate():
         )
         
 
+CSV_MONEY_FIELDS = {
+    "rata",
+    "kapital",
+    "odsetki",
+    "nadplata",
+    "prowizja_nadplaty",
+    "saldo",
+    "odsetki_narastajaco",
+    "koszt_narastajaco",
+    "nadplaty_narastajaco",
+}
+CSV_SUMMARY_MONEY_FIELDS = {
+    "total_paid",
+    "total_interest",
+    "total_overpayment",
+    "total_overpayment_fees",
+    "interest_saved",
+    "baseline_interest",
+    "average_payment",
+    "max_payment",
+}
+
+
+def _csv_money(value: float) -> str:
+    return f"{float(value):.2f}".replace(".", ",")
+
+
 @app.post("/api/export/csv")
 def export_csv(req: SimulationRequest):
     result = simulate(req)
     buf = io.StringIO()
     writer = csv.writer(buf, delimiter=";")
-    writer.writerow(["miesiac", "data_splaty", "dni", "oprocentowanie", "rata", "kapital", "odsetki", "nadplata", "prowizja_nadplaty", "saldo", "karencja", "odsetki_narastajaco", "koszt_narastajaco", "nadplaty_narastajaco"])
+    headers = ["miesiac", "data_splaty", "dni", "oprocentowanie", "rata", "kapital", "odsetki", "nadplata", "prowizja_nadplaty", "saldo", "karencja", "odsetki_narastajaco", "koszt_narastajaco", "nadplaty_narastajaco"]
+    writer.writerow(headers)
     for row in result.schedule:
-        writer.writerow([row.month, row.due_date, row.days, row.rate, row.payment, row.principal_part, row.interest_part, row.overpayment, row.overpayment_fee, row.remaining, row.grace_type.value, row.cumulative_interest, row.cumulative_cost, row.cumulative_overpayment])
+        values = {
+            "miesiac": row.month,
+            "data_splaty": row.due_date,
+            "dni": row.days,
+            "oprocentowanie": row.rate,
+            "rata": row.payment,
+            "kapital": row.principal_part,
+            "odsetki": row.interest_part,
+            "nadplata": row.overpayment,
+            "prowizja_nadplaty": row.overpayment_fee,
+            "saldo": row.remaining,
+            "karencja": row.grace_type.value,
+            "odsetki_narastajaco": row.cumulative_interest,
+            "koszt_narastajaco": row.cumulative_cost,
+            "nadplaty_narastajaco": row.cumulative_overpayment,
+        }
+        writer.writerow([_csv_money(values[h]) if h in CSV_MONEY_FIELDS else values[h] for h in headers])
     writer.writerow([])
     writer.writerow(["Podsumowanie"])
     for key, value in result.summary.model_dump().items():
+        if key in CSV_SUMMARY_MONEY_FIELDS:
+            value = _csv_money(value)
         writer.writerow([key, value])
     data = buf.getvalue().encode("utf-8-sig")
     return StreamingResponse(
diff --git a/app/static/app.js b/app/static/app.js
index f6e4d0e..ab4712d 100644
--- a/app/static/app.js
+++ b/app/static/app.js
@@ -1,5 +1,5 @@
 const $ = (id) => document.getElementById(id);
-const money = (v) => new Intl.NumberFormat('pl-PL', { style: 'currency', currency: 'PLN', maximumFractionDigits: 0 }).format(v || 0);
+const money = (v) => new Intl.NumberFormat('pl-PL', { style: 'currency', currency: 'PLN', minimumFractionDigits: 2, maximumFractionDigits: 2 }).format(Number(v) || 0);
 const num = (id) => Number($(id).value || 0);
 
 let lineChart, pieChart, barChart, detailChart;
diff --git a/app/static/index.html b/app/static/index.html
index 18eb0a2..137f2f8 100644
--- a/app/static/index.html
+++ b/app/static/index.html
@@ -13,13 +13,13 @@
       <div class="card-body d-flex flex-wrap align-items-center justify-content-between gap-3">
         <div>
           <h1 class="h3 mb-1">Symulator kredytu hipotecznego</h1>
-          <p class="text-muted mb-0">@linuxiarz.pl</p>
+          <p class="text-muted mb-0">Dane liczone są w backendzie ale nie są przechowywane na serwerze, może swoje wyliczenia eksportować na na swój dysk</p>
         </div>
         <div class="d-flex gap-2 flex-wrap justify-content-end">
           <button id="themeToggle" class="btn btn-outline-secondary btn-sm" type="button" aria-label="Przełącz motyw">☀️ Jasny</button>
           <button id="loadNbp" class="btn btn-outline-primary btn-sm">Pobierz stopę NBP</button>
-          <button id="exportJson" class="btn btn-outline-secondary btn-sm">Eksport JSON</button>
-          <button id="importJson" class="btn btn-outline-secondary btn-sm">Import JSON</button>
+          <button id="exportJson" class="btn btn-outline-secondary btn-sm">Eksport</button>
+          <button id="importJson" class="btn btn-outline-secondary btn-sm">Import </button>
           <button id="exportCsv" class="btn btn-outline-secondary btn-sm">CSV</button>
           <button id="exportPdf" class="btn btn-primary btn-sm">PDF</button>
           <input id="jsonFile" type="file" accept="application/json,.json" hidden>