I saw Hindi in free make pdf searchable app: https://products.aspose.app/pdf/searchable https://products.aspose.app/pdf/searchable so that, I think, it possib

I saw Hindi in free make pdf searchable app: https://products.aspose.app/pdf/searchable https://products.aspose.app/pdf/searchable so that, I think, it possible to extend it to Devanagari on your local with Tesseract and Aspose.Pdf with C# code snippet: CallBackGetHocr recognizeText = (System.Drawing.Image img) => { string tmpFile = Path.Combine(outputFolder, Path.GetFileName(Path.GetTempFileName())); using System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(img); bmp.Save(tmpFile); string pathTempFile = $"\"{tmpFile}\""; string arguments = $"{pathTempFile} {pathTempFile} --oem 1 -l {lang} hocr"; System.Diagnostics.ProcessStartInfo psi = new System.Diagnostics.ProcessStartInfo("tesseract", arguments); using (System.Diagnostics.Process p = new System.Diagnostics.Process()) { p.StartInfo = psi; p.Start(); p.WaitForExit(); } return File.ReadAllText($"{tmpFile}.hocr"); }; new Aspose.Pdf.Document("my_Devanagari_scan.pdf").Convert(recognizeText);