diff --git a/utils/pdf_processing.py b/utils/pdf_processing.py
index 4ec3a46..a8893f0 100644
--- a/utils/pdf_processing.py
+++ b/utils/pdf_processing.py
@@ -1,25 +1,17 @@
-import asyncio
 import gc
-from io import BytesIO
-
 import pdfplumber
-
+from io import BytesIO
+import asyncio
 from utils.chunking import split_text_to_subchunks
-from utils.config import MAX_PROCESSES_DEEPSEEK, MAX_PROCESSES_GROQ
-from utils.regular_helpers import elements_to_positions, extract_page_content
-from utils.scanned_helpers import (
-    deepseek_translate_worker,
-    is_scanned_page,
-    process_scanned_page_worker,
-)
-
+from utils.config import MAX_PROCESSES_DEEPSEEK, MAX_PROCESSES_GROQ, PDF_BATCH_SIZE
+from utils.regular_helpers import extract_page_content, elements_to_positions
+from utils.scanned_helpers import is_scanned_page, process_scanned_page_worker, deepseek_translate_worker
 
 async def groq_worker(job, semaphore):
     async with semaphore:
         loop = asyncio.get_running_loop()
         return await loop.run_in_executor(None, process_scanned_page_worker, job)
-
-
+        
 async def deepseek_worker(job, semaphore):
     async with semaphore:
         loop = asyncio.get_running_loop()
@@ -30,74 +22,43 @@ async def deepseek_worker(job, semaphore):
         gc.collect()
         return sub_chunks
 
-
-async def process_pdf(pdf_stream):
-    pdf_bytes = pdf_stream.read()
+async def process_pdf_batch(pdf_bytes, start_page=0, end_page=None):
     all_sub_chunks = []
     scanned_jobs = []
-    total_pages = 0
 
     with pdfplumber.open(BytesIO(pdf_bytes)) as pdf:
         total_pages = len(pdf.pages)
-        print(f"Total pages: {total_pages}")
+        if end_page is None or end_page > total_pages:
+            end_page = total_pages
 
-        for i, page in enumerate(pdf.pages):
+        for i in range(start_page, end_page):
+            page = pdf.pages[i]
             scanned = is_scanned_page(page)
-            print(f"\nProcessing Page {i + 1}: {'SCANNED' if scanned else 'TEXT'}")
-
             if scanned:
-                continue
-                # scanned_jobs.append((i, pdf_bytes))
+                scanned_jobs.append((i, pdf_bytes))
             else:
                 elements = extract_page_content(page)
                 positions = elements_to_positions(elements)
                 for pos in positions:
                     sub_chunks = split_text_to_subchunks(
-                        pos["content"],
-                        i + 1,
-                        pos["position"],
-                        pos["type"],
-                        is_scanned=False,
+                        pos["content"], i+1, pos["position"], pos["type"], is_scanned=False
                     )
                     all_sub_chunks.extend(sub_chunks)
 
-    scanned_pages_count = len(scanned_jobs)
-    regular_pages_count = total_pages - scanned_pages_count
-
     groq_results = []
-
     if scanned_jobs:
-        print(
-            f"\nProcessing {scanned_pages_count} scanned pages with Groq in batches of {MAX_PROCESSES_GROQ}"
-        )
         groq_semaphore = asyncio.Semaphore(MAX_PROCESSES_GROQ)
         groq_tasks = [groq_worker(job, groq_semaphore) for job in scanned_jobs]
         groq_results = await asyncio.gather(*groq_tasks)
 
     deepseek_results = []
-
     if groq_results:
         deepseek_jobs = [(res["page"], res["raw_content"]) for res in groq_results]
-        print(
-            f"\nTranslating {len(deepseek_jobs)} pages with DeepSeek using {MAX_PROCESSES_DEEPSEEK} processes"
-        )
         deepseek_semaphore = asyncio.Semaphore(MAX_PROCESSES_DEEPSEEK)
-        deepseek_tasks = [
-            deepseek_worker(job, deepseek_semaphore) for job in deepseek_jobs
-        ]
+        deepseek_tasks = [deepseek_worker(job, deepseek_semaphore) for job in deepseek_jobs]
         deepseek_results = await asyncio.gather(*deepseek_tasks)
         for sub_chunks in deepseek_results:
             all_sub_chunks.extend(sub_chunks)
 
-    del pdf_bytes, scanned_jobs
-    if "groq_results" in locals():
-        del groq_results
-    if "deepseek_results" in locals():
-        del deepseek_results
     gc.collect()
-
-    return {
-        "chunks": all_sub_chunks,
-        "scanned_pages": scanned_pages_count,
-        "regular_pages": regular_pages_count,
-    }
+    return all_sub_chunks, len(scanned_jobs), (end_page - start_page - len(scanned_jobs))