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File Types

The following document types are currently accepted by the extract endpoints as either a file buffer or URL:
  • .pdf — Portable Document Format
  • .png — Portable Network Graphics
  • .jpg / .jpeg — Joint Photographic Experts Group
💡 While Cardinal does not natively support Excel (.xls / .xlsx) or CSV (.csv) files, you can convert them to PDF on your own and process them through Cardinal.

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Coming Soon

The following formats are not yet supported but are planned for future releases:
  • .doc / .docx — Microsoft Word
  • .tiff — Tagged Image File Format
  • .odt / .ott — OpenDocument Text & Template
  • .rtf — Rich Text Format
  • .txt — Plain Text
  • .html / .htm — HTML Document
  • .xml — XML Document
  • .wps — Microsoft Works Word Processor
  • .wpd — WordPerfect Document
  • .ods / .ots — OpenDocument Spreadsheet & Template
  • .ppt / .pptx — Microsoft PowerPoint
  • .odp / .otp — OpenDocument Presentation & Template
💡 Need support for a specific format right away?
Contact us at team@trycardinal.ai and we’ll work with you to prioritize it.