将PDF文件设置密码，保护您的隐私，简单易用。。。打开加密过的PDF文件，会提示输入密码。密码正确才能打开PDF文件。相比其他的加密软件，PDF加密采用的是PDF本身的加密功能，更安全。关键词：PDF加密 PDF文件加密 文件加密 加密软件 加密工具 Kidback v1.2更新： 。。。
| 熱門國家 | 系統支援 | 版本 | 費用 | APP評分 | 上架日期 | 更新日期 |
|---|---|---|---|---|---|---|
| 中國 China | Android Google Play | 1.2 App下載 | 免費 | 1970-01-01 | 2015-01-14 |
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