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or
在提供身分證影本、租屋合約、設計提案、報價單或內部培訓講義前，快速加上「僅供某某銀行申貸使用」或公司品牌防偽斜向浮水印，防止文件遭冒用外流。
建議標註「僅供〇〇機構辦理〇〇業務專用，他用無效」並搭配半透明斜角排版，適度橫跨證件邊緣但避開重要號碼與人像五官。
可以，支援自由調整文字內容、色彩與透明度，兼顧閱讀體驗與防偽效力。
Compare airline & agency fares live with automated business-class error fare alerts.
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.
Simulate long-term ETF & stock dividend reinvestment snowball growth curves.
Merge, split, compress, watermark, and OCR PDFs locally in your browser without uploads.
Enhance blurry photos and upscale resolution locally in your browser for free.