PGM to ALTO Converter

Convert PGM to ALTO online quickly and easily. Just upload your file, convert it, and download the ALTO in seconds.

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What is PGM ?

PGM, or Portable Gray Map, is a simple grayscale image format that is part of the Netpbm format family. It stores pixel values in a straightforward manner, allowing for easy manipulation and conversion by various image processing tools.

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What is ALTO ?

ALTO (Analyzed Layout and Text Object) is an XML-based file format designed to represent the layout and textual content of digitized documents. It is primarily utilized in the field of digital preservation and libraries to facilitate the sharing and interoperability of scanned documents with rich metadata.

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How to Convert PGM to ALTO in Just a Few Steps

  1. Upload your PGM file
    Click the upload button or drag & drop your file into the converter area. We support all major formats.
  2. Choose ALTO as the output format
    The tool will automatically convert your file to ALTO.
  3. Start the conversion
    Click the "Convert" button and let our tool handle everything. The conversion only takes a few seconds.
  4. Download your converted file
    Once complete, download your new ALTO file instantly.

Start converting PGM to ALTO now — it’s fast, safe, and completely online!