diff --git a/ai.go b/ai.go
index 5e93877..470b43e 100644
--- a/ai.go
+++ b/ai.go
@@ -116,8 +116,14 @@ func ConvertToImage(filePath string) ([]byte, error) {
 			return nil, fmt.Errorf("pdftoppm failed: %w", err)
 		}
 
-		pngPath := filepath.Join(tmpDir, "page-1.png")
-		return os.ReadFile(pngPath)
+		// pdftoppm uses variable-width zero-padding depending on page count
+		// (e.g. page-01.png for <100 pages, page-001.png for <1000 pages).
+		// Glob for the first match instead of hardcoding "page-1.png".
+		matches, err := filepath.Glob(filepath.Join(tmpDir, "page-*.png"))
+		if err != nil || len(matches) == 0 {
+			return nil, fmt.Errorf("pdftoppm output not found in %s", tmpDir)
+		}
+		return os.ReadFile(matches[0])
 	}
 
 	// Image files — read directly
@@ -483,8 +489,13 @@ func ProcessPDFPageByPage(filePath string, jobID string) (string, error) {
 			continue
 		}
 
-		pngPath := filepath.Join(tmpDir, fmt.Sprintf("page-%d.png", page))
-		imageData, err := os.ReadFile(pngPath)
+		// Glob for the output — pdftoppm zero-pads based on total page count
+		pageMatches, _ := filepath.Glob(filepath.Join(tmpDir, "page-*.png"))
+		if len(pageMatches) == 0 {
+			os.RemoveAll(tmpDir)
+			continue
+		}
+		imageData, err := os.ReadFile(pageMatches[0])
 		os.RemoveAll(tmpDir)
 		if err != nil {
 			continue