解密 PDF Document
Decrypt and remove the password from your PDF document. Files remain entirely local in your browser memory.
选择 PDF 文件
or drag and drop PDF here
Decrypt and remove the password from your PDF document. Files remain entirely local in your browser memory.
or drag and drop PDF here
Standard cloud decrypters require uploading locked PDF files and passwords to remote servers to unlock. This compromises your privacy. Document Alter runs native decryption algorithms inside your browser's local RAM.
The tool initializes the password-locked PDF in a client-side wrapper. By loading the file binary using pdf-lib and passing the supplied password, the decryption engine removes the document's secure catalogs and saves a fresh, unencrypted copy of the document streams.
Drag and drop the password-protected PDF into the secure local container.
Type the current user password into the protection field inside the settings sidebar.
Click the 'Unlock PDF' button to decrypt the binary streams and save your unlocked document.
不能。为保护知识产权，需首先输入正确密码，程序随后会在本地永久解除保护并导出免密 PDF。
完全安全。解密运算全在您本机的浏览器内存中执行，密码与文件内容绝不离开设备。
支持标准用户打开密码与权限锁，一键生成完全解除限制、可自由阅读与打印的 PDF。