diff --git a/src/components/asignaturas/detalle/DocumentoSEPTab.tsx b/src/components/asignaturas/detalle/DocumentoSEPTab.tsx
index 9349a12..1e6e160 100644
--- a/src/components/asignaturas/detalle/DocumentoSEPTab.tsx
+++ b/src/components/asignaturas/detalle/DocumentoSEPTab.tsx
@@ -18,7 +18,8 @@ import { Card } from '@/components/ui/card'
 interface DocumentoSEPTabProps {
   pdfUrl: string | null
   isLoading: boolean
-  onDownload: () => void
+  onDownloadPdf: () => void
+  onDownloadWord: () => void
   onRegenerate: () => void
   isRegenerating: boolean
 }
@@ -26,7 +27,8 @@ interface DocumentoSEPTabProps {
 export function DocumentoSEPTab({
   pdfUrl,
   isLoading,
-  onDownload,
+  onDownloadPdf,
+  onDownloadWord,
   onRegenerate,
   isRegenerating,
 }: DocumentoSEPTabProps) {
@@ -52,25 +54,23 @@ export function DocumentoSEPTab({
         </div>
 
         <div className="flex items-center gap-2">
-          {pdfUrl && !isLoading && (
-            <Button variant="outline" onClick={onDownload}>
-              <Download className="mr-2 h-4 w-4" />
-              Descargar
-            </Button>
-          )}
-
           <AlertDialog
             open={showConfirmDialog}
             onOpenChange={setShowConfirmDialog}
           >
             <AlertDialogTrigger asChild>
-              <Button disabled={isRegenerating}>
+              <Button
+                variant="outline"
+                size="sm"
+                className="gap-2"
+                disabled={isRegenerating}
+              >
                 {isRegenerating ? (
-                  <Loader2 className="mr-2 h-4 w-4 animate-spin" />
+                  <Loader2 className="h-4 w-4 animate-spin" />
                 ) : (
-                  <RefreshCw className="mr-2 h-4 w-4" />
+                  <RefreshCw className="h-4 w-4" />
                 )}
-                {isRegenerating ? 'Generando...' : 'Regenerar documento'}
+                {isRegenerating ? 'Generando...' : 'Regenerar'}
               </Button>
             </AlertDialogTrigger>
 
@@ -91,11 +91,31 @@ export function DocumentoSEPTab({
               </AlertDialogFooter>
             </AlertDialogContent>
           </AlertDialog>
+
+          {pdfUrl && !isLoading && (
+            <>
+              <Button
+                size="sm"
+                className="gap-2 bg-teal-700 hover:bg-teal-800"
+                onClick={onDownloadWord}
+              >
+                <Download className="h-4 w-4" /> Descargar Word
+              </Button>
+              <Button
+                variant="outline"
+                size="sm"
+                className="gap-2"
+                onClick={onDownloadPdf}
+              >
+                <Download className="h-4 w-4" /> Descargar PDF
+              </Button>
+            </>
+          )}
         </div>
       </div>
 
       {/* PDF Preview */}
-      <Card className="h-[800px] overflow-hidden">
+      <Card className="h-200 overflow-hidden">
         {isLoading ? (
           <div className="flex h-full items-center justify-center">
             <Loader2 className="h-10 w-10 animate-spin" />
diff --git a/src/data/api/document.api.ts b/src/data/api/document.api.ts
index 0e8b322..daf750e 100644
--- a/src/data/api/document.api.ts
+++ b/src/data/api/document.api.ts
@@ -7,74 +7,29 @@ import { requireData, throwIfError } from './_helpers'
 
 import type { Tables } from '@/types/supabase'
 
-import { columnParsers } from '@/lib/asignaturaColumnParsers'
-
 const EDGE = {
   carbone_io_wrapper: 'carbone-io-wrapper',
 } as const
 
 interface GeneratePdfParams {
   plan_estudio_id: string
+  convertTo?: 'pdf'
 }
 interface GeneratePdfParamsAsignatura {
   asignatura_id: string
-}
-
-function isPlainRecord(value: unknown): value is Record<string, unknown> {
-  return typeof value === 'object' && value !== null && !Array.isArray(value)
-}
-
-function toStringValue(value: unknown): string {
-  if (typeof value === 'string') return value
-  if (typeof value === 'number' || typeof value === 'boolean')
-    return String(value)
-  if (value === null || value === undefined) return ''
-  try {
-    return JSON.stringify(value)
-  } catch {
-    return String(value)
-  }
-}
-
-function buildAsignaturaReportData(
-  row: Pick<
-    Tables<'asignaturas'>,
-    'datos' | 'contenido_tematico' | 'criterios_de_evaluacion'
-  >,
-): Record<string, string> {
-  const out: Record<string, string> = {}
-
-  const datosRaw = row.datos
-  if (isPlainRecord(datosRaw)) {
-    for (const [k, v] of Object.entries(datosRaw)) {
-      if (v === null || v === undefined) continue
-      out[k] = toStringValue(v)
-    }
-  }
-
-  for (const [key, parser] of Object.entries(columnParsers)) {
-    if (!parser) continue
-
-    const current = out[key]
-    if (typeof current === 'string' && current.trim()) continue
-
-    const rawValue = (row as any)?.[key]
-    const parsed = parser(rawValue)
-    if (parsed.trim()) out[key] = parsed
-  }
-
-  return out
+  convertTo?: 'pdf'
 }
 
 export async function fetchPlanPdf({
   plan_estudio_id,
+  convertTo,
 }: GeneratePdfParams): Promise<Blob> {
   return await invokeEdge<Blob>(
     EDGE.carbone_io_wrapper,
     {
       action: 'downloadReport',
       plan_estudio_id,
-      body: { convertTo: 'pdf' },
+      body: convertTo ? { convertTo } : {},
     },
     {
       headers: {
@@ -87,6 +42,7 @@ export async function fetchPlanPdf({
 
 export async function fetchAsignaturaPdf({
   asignatura_id,
+  convertTo,
 }: GeneratePdfParamsAsignatura): Promise<Blob> {
   const supabase = supabaseBrowser()
 
@@ -106,7 +62,10 @@ export async function fetchAsignaturaPdf({
     'Asignatura no encontrada',
   )
 
-  // const reportData = buildAsignaturaReportData(row)
+  const body: Record<string, unknown> = {
+    data: row,
+  }
+  if (convertTo) body.convertTo = convertTo
 
   return await invokeEdge<Blob>(
     EDGE.carbone_io_wrapper,
@@ -114,8 +73,7 @@ export async function fetchAsignaturaPdf({
       action: 'downloadReport',
       asignatura_id,
       body: {
-        data: row,
-        convertTo: 'pdf',
+        ...body,
       },
     },
     {
diff --git a/src/data/supabase/invokeEdge.ts b/src/data/supabase/invokeEdge.ts
index b7df21f..53ec695 100644
--- a/src/data/supabase/invokeEdge.ts
+++ b/src/data/supabase/invokeEdge.ts
@@ -27,6 +27,55 @@ export class EdgeFunctionError extends Error {
   }
 }
 
+// Soporta base64 puro o data:...;base64,...
+function decodeBase64ToUint8Array(input: string): Uint8Array {
+  const trimmed = input.trim()
+  const base64 = trimmed.startsWith('data:')
+    ? trimmed.slice(trimmed.indexOf(',') + 1)
+    : trimmed
+
+  const bin = atob(base64)
+  const bytes = new Uint8Array(bin.length)
+  for (let i = 0; i < bin.length; i++) bytes[i] = bin.charCodeAt(i)
+  return bytes
+}
+
+function stripDataUrlPrefix(input: string): string {
+  const trimmed = input.trim()
+  if (!trimmed.startsWith('data:')) return trimmed
+  const commaIdx = trimmed.indexOf(',')
+  return commaIdx >= 0 ? trimmed.slice(commaIdx + 1) : trimmed
+}
+
+function looksLikeBase64(s: string): boolean {
+  const t = stripDataUrlPrefix(s).replace(/\s+/g, '').replace(/=+$/g, '')
+
+  // base64 típico: solo chars permitidos y longitud razonable
+  if (t.length < 64) return false
+  return /^[A-Za-z0-9+/]+$/.test(t)
+}
+
+function startsWithZip(bytes: Uint8Array): boolean {
+  return bytes.length >= 2 && bytes[0] === 0x50 && bytes[1] === 0x4b // "PK"
+}
+
+function startsWithPdf(bytes: Uint8Array): boolean {
+  return (
+    bytes.length >= 5 &&
+    bytes[0] === 0x25 &&
+    bytes[1] === 0x50 &&
+    bytes[2] === 0x44 &&
+    bytes[3] === 0x46 &&
+    bytes[4] === 0x2d
+  ) // "%PDF-"
+}
+
+function binaryStringToUint8Array(input: string): Uint8Array {
+  const bytes = new Uint8Array(input.length)
+  for (let i = 0; i < input.length; i++) bytes[i] = input.charCodeAt(i) & 0xff
+  return bytes
+}
+
 export async function invokeEdge<TOut>(
   functionName: string,
   body?:
@@ -111,5 +160,20 @@ export async function invokeEdge<TOut>(
     throw new EdgeFunctionError(message, functionName, status, details)
   }
 
+  if (opts.responseType === 'blob') {
+    const anyData: unknown = data
+
+    if (anyData instanceof Blob) {
+      return anyData as TOut
+    }
+
+    throw new EdgeFunctionError(
+      'La Edge Function no devolvió un binario (Blob) válido.',
+      functionName,
+      undefined,
+      { receivedType: typeof anyData, received: anyData },
+    )
+  }
+
   return data as TOut
 }
diff --git a/src/routes/planes/$planId/_detalle/documento.tsx b/src/routes/planes/$planId/_detalle/documento.tsx
index 782beff..2df3f2a 100644
--- a/src/routes/planes/$planId/_detalle/documento.tsx
+++ b/src/routes/planes/$planId/_detalle/documento.tsx
@@ -8,7 +8,7 @@ import {
   Clock,
   FileJson,
 } from 'lucide-react'
-import { useCallback, useEffect, useState } from 'react'
+import { useCallback, useEffect, useRef, useState } from 'react'
 
 import { Button } from '@/components/ui/button'
 import { Card, CardContent } from '@/components/ui/card'
@@ -21,18 +21,23 @@ export const Route = createFileRoute('/planes/$planId/_detalle/documento')({
 function RouteComponent() {
   const { planId } = useParams({ from: '/planes/$planId/_detalle/documento' })
   const [pdfUrl, setPdfUrl] = useState<string | null>(null)
+  const pdfUrlRef = useRef<string | null>(null)
   const [isLoading, setIsLoading] = useState(true)
 
   const loadPdfPreview = useCallback(async () => {
     try {
       setIsLoading(true)
-      const pdfBlob = await fetchPlanPdf({ plan_estudio_id: planId })
+      const pdfBlob = await fetchPlanPdf({
+        plan_estudio_id: planId,
+        convertTo: 'pdf',
+      })
       const url = window.URL.createObjectURL(pdfBlob)
 
-      // Limpiar URL anterior si existe para evitar fugas de memoria
-      if (pdfUrl) window.URL.revokeObjectURL(pdfUrl)
-
-      setPdfUrl(url)
+      setPdfUrl((prev) => {
+        if (prev) window.URL.revokeObjectURL(prev)
+        pdfUrlRef.current = url
+        return url
+      })
     } catch (error) {
       console.error('Error cargando preview:', error)
     } finally {
@@ -43,7 +48,7 @@ function RouteComponent() {
   useEffect(() => {
     loadPdfPreview()
     return () => {
-      if (pdfUrl) window.URL.revokeObjectURL(pdfUrl)
+      if (pdfUrlRef.current) window.URL.revokeObjectURL(pdfUrlRef.current)
     }
   }, [loadPdfPreview])
 
@@ -51,6 +56,7 @@ function RouteComponent() {
     try {
       const pdfBlob = await fetchPlanPdf({
         plan_estudio_id: planId,
+        convertTo: 'pdf',
       })
 
       const url = window.URL.createObjectURL(pdfBlob)
@@ -67,6 +73,27 @@ function RouteComponent() {
       alert('No se pudo generar el PDF')
     }
   }
+
+  const handleDownloadWord = async () => {
+    try {
+      const docBlob = await fetchPlanPdf({
+        plan_estudio_id: planId,
+      })
+
+      const url = window.URL.createObjectURL(docBlob)
+      const link = document.createElement('a')
+      link.href = url
+      link.download = 'plan_estudios.docx'
+      document.body.appendChild(link)
+      link.click()
+
+      link.remove()
+      setTimeout(() => window.URL.revokeObjectURL(url), 1000)
+    } catch (error) {
+      console.error(error)
+      alert('No se pudo generar el Word')
+    }
+  }
   return (
     <div className="flex min-h-screen flex-col gap-6 bg-slate-50/30 p-6">
       {/* HEADER DE ACCIONES */}
@@ -88,12 +115,17 @@ function RouteComponent() {
           >
             <RefreshCcw size={16} /> Regenerar
           </Button>
-          <Button variant="outline" size="sm" className="gap-2">
-            <Download size={16} /> Descargar Word
-          </Button>
           <Button
             size="sm"
             className="gap-2 bg-teal-700 hover:bg-teal-800"
+            onClick={handleDownloadWord}
+          >
+            <Download size={16} /> Descargar Word
+          </Button>
+          <Button
+            variant="outline"
+            size="sm"
+            className="gap-2"
             onClick={handleDownloadPdf}
           >
             <Download size={16} /> Descargar PDF
@@ -139,7 +171,7 @@ function RouteComponent() {
           )}
         </div>
 
-        <CardContent className="flex min-h-[800px] justify-center bg-slate-500 p-0">
+        <CardContent className="flex min-h-200 justify-center bg-slate-500 p-0">
           {isLoading ? (
             <div className="flex flex-col items-center justify-center gap-4 text-white">
               <RefreshCcw size={40} className="animate-spin opacity-50" />
@@ -149,7 +181,7 @@ function RouteComponent() {
             /* 3. VISOR DE PDF REAL */
             <iframe
               src={`${pdfUrl}#toolbar=0&navpanes=0`}
-              className="h-[1000px] w-full max-w-[1000px] border-none shadow-2xl"
+              className="h-250 w-full max-w-250 border-none shadow-2xl"
               title="PDF Preview"
             />
           ) : (
diff --git a/src/routes/planes/$planId/asignaturas/$asignaturaId/documento.tsx b/src/routes/planes/$planId/asignaturas/$asignaturaId/documento.tsx
index 452cf57..285a8e4 100644
--- a/src/routes/planes/$planId/asignaturas/$asignaturaId/documento.tsx
+++ b/src/routes/planes/$planId/asignaturas/$asignaturaId/documento.tsx
@@ -1,5 +1,5 @@
 import { createFileRoute, useParams } from '@tanstack/react-router'
-import { useCallback, useEffect, useState } from 'react'
+import { useCallback, useEffect, useRef, useState } from 'react'
 
 import { DocumentoSEPTab } from '@/components/asignaturas/detalle/DocumentoSEPTab'
 import { fetchAsignaturaPdf } from '@/data/api/document.api'
@@ -16,6 +16,7 @@ function RouteComponent() {
   })
 
   const [pdfUrl, setPdfUrl] = useState<string | null>(null)
+  const pdfUrlRef = useRef<string | null>(null)
   const [isLoading, setIsLoading] = useState(true)
   const [isRegenerating, setIsRegenerating] = useState(false)
 
@@ -25,12 +26,14 @@ function RouteComponent() {
 
       const pdfBlob = await fetchAsignaturaPdf({
         asignatura_id: asignaturaId,
+        convertTo: 'pdf',
       })
 
       const url = window.URL.createObjectURL(pdfBlob)
 
       setPdfUrl((prev) => {
         if (prev) window.URL.revokeObjectURL(prev)
+        pdfUrlRef.current = url
         return url
       })
     } catch (error) {
@@ -44,13 +47,14 @@ function RouteComponent() {
     loadPdfPreview()
 
     return () => {
-      if (pdfUrl) window.URL.revokeObjectURL(pdfUrl)
+      if (pdfUrlRef.current) window.URL.revokeObjectURL(pdfUrlRef.current)
     }
   }, [loadPdfPreview])
 
-  const handleDownload = async () => {
+  const handleDownloadPdf = async () => {
     const pdfBlob = await fetchAsignaturaPdf({
       asignatura_id: asignaturaId,
+      convertTo: 'pdf',
     })
 
     const url = window.URL.createObjectURL(pdfBlob)
@@ -63,6 +67,21 @@ function RouteComponent() {
     window.URL.revokeObjectURL(url)
   }
 
+  const handleDownloadWord = async () => {
+    const docBlob = await fetchAsignaturaPdf({
+      asignatura_id: asignaturaId,
+    })
+
+    const url = window.URL.createObjectURL(docBlob)
+    const link = document.createElement('a')
+    link.href = url
+    link.download = 'documento_sep.docx'
+    document.body.appendChild(link)
+    link.click()
+    link.remove()
+    window.URL.revokeObjectURL(url)
+  }
+
   const handleRegenerate = async () => {
     try {
       setIsRegenerating(true)
@@ -77,7 +96,8 @@ function RouteComponent() {
     <DocumentoSEPTab
       pdfUrl={pdfUrl}
       isLoading={isLoading}
-      onDownload={handleDownload}
+      onDownloadPdf={handleDownloadPdf}
+      onDownloadWord={handleDownloadWord}
       onRegenerate={handleRegenerate}
       isRegenerating={isRegenerating}
     />