Extract the text from PNM image
DevConverter also is an online OCR (Optical Character Recognition) service, can analyze the text in any image file that you upload, and then convert the text from the image into text that you can easily edit on your computer
Input image
PNM
Bitmap image created in the Portable Any Map format, which was designed to handle several types of portable monochrome, grayscale, and color images; may include raster graphic data in a .PBM, .PGM, or .PPM format; may be stored using binary data or ASCII text.
TSV
A TSV file is a tab-separated values file commonly used by spreadsheet applications to exchange data between databases. It stores a data table in which each record in the table is on a separate line, and data columns are separated by tabs.