Apple forcing to use of WKWEbView with this issue. because UIWebview is deprecated.
rajnikantfrombangalore
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1.Create Folder - let filePath = documentDirectory.appendingPathComponent("FolderName") if !fileManager.fileExists(atPath: filePath.path) { do { try fileManager.createDirectory(atPath: filePath.path, withIntermediateDirectories: true, attributes: nil) } catch { print(error.localizedDescription) return nil } }2. Let url = videoURL destinationURL = filePath.appendingPathComponent("filename.mp4") url.startAccessingSecurityScopedResource() do { try FileManager.default.copyItem(at: url, to: destinationURL) } catch { Logging.Log.error("EncodeVideo failed \(error.localizedDescription)") } url.startAccessingSecurityScopedResource()3. Start Mov to MP4 now it is working.