No, and that is deliberate. Converting a document to a spreadsheet extracts its tables, so PDF files without a single table have nothing to extract. The conversion stops with an explicit message rather than handing you an empty CSV and reporting success.
Yes - extracting tables from your PDF into CSV is free with no account. A paid plan lifts the per-file size limit, runs more conversions in parallel and removes ads.
我能同时从多个 PDF 文件中提取表格吗?
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Yes - drop them all into the upload area and each one produces its own CSV. Files with no tables are reported individually, so a bad file in the batch does not disguise itself as a good one.
