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商業級 PDF 密碼保護與機密財報加密工具

為薪資單、銀行對帳單、股東會財報、法律委任契約與報價單設定開啟密碼保護（AES/RC4 標準加密），確保只有授權收件人能檢視敏感內容。

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Compute monthly EMI/EP payments with grace periods and one-click Excel schedule export.

Calculate real APR including origination fees and compare loan refinancing savings.

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