supported and unsupported file formats

• PDF (.pdf)
• Microsoft Word (.doc, .docx)
• Text files (.txt)
• Rich Text Format (.rtf)
• Markdown (.md)
• OpenDocument Text (.odt)
• HTML (.html, .htm)

• Microsoft Excel (.xls, .xlsx)
• CSV (Comma Separated Values) (.csv)
• TSV (Tab Separated Values) (.tsv)
• OpenDocument Spreadsheet (.ods)

• Microsoft PowerPoint (.ppt, .pptx)
• OpenDocument Presentation (.odp)

• JSON (.json)
• XML (.xml)
• YAML (.yaml, .yml)

• Outlook Messages (.msg)
• Email Archives (.eml)

• Scanned PDFs
• Image files containing text (.jpg, .png)

While we can process image-based documents, the accuracy of text extraction depends on image quality.

This format support would require implementing appropriate libraries for text extraction, such as:

• pdf.js for PDFs
• mammoth.js for Word documents
• SheetJS for Excel files
• An OCR service like Tesseract.js for image-based documents

• Maximum file size: 25MB per document
• Maximum total project size: 100MB
• Maximum recommended pages: 50 pages of text or 10 spreadsheets per project

• Scanned documents with poor quality or resolution
• Handwritten documents
• Faxed documents with artifacts
• Documents with watermarks that obscure text
• Images with text embedded in complex backgrounds
• Documents with non-standard fonts or stylized text

• Password-protected PDFs
• DRM-protected documents
• Encrypted files of any format
• Documents with editing restrictions

• PDF forms with fillable fields (content may not extract properly)
• Documents with complex layouts (multiple columns, text boxes, etc.)
• PDFs created as image compilations without OCR
• Scanned books with curved page surfaces

• CAD files (.dwg, .dxf)
• GIS/Mapping files
• Proprietary financial software exports
• Database files (.mdb, .accdb)
• Compressed archives (.zip, .rar) - would need to be extracted first

• Audio files (.mp3, .wav)
• Video files (.mp4, .mov)
• Pure image files without text content

• Documents exceeding 100 pages
• Spreadsheets with more than 10,000 rows
• Files larger than 25MB
• Documents with hundreds of embedded images