首页扩展程序 AltoProtectPDF: Secure PDF Files for Free

AltoProtectPDF: Secure PDF Files for Free

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插件简介

Choose our trusted add-on to Password protect PDFs in one click

The transfer of sensitive or personal information via messengers of e-mail is not always as secure as it's supposed to be.

Locking file with a complicated password that only you and the receiver will know is usually ideal.

The installation of this extension takes minimal time and effort - but you still get perfect results. All you need is to just add the tool to your Chrome. Then simply enjoy your file protection with minimal effort.

Just click on the extension, add it to the document and lock it.

By having Alto Protect PDF integrated into your browser, you get the following benefits:

- Fast protection of files with a user-friendly extension. A simple interface with easy to use services
- Easy to work with. The service locks your files in just a few clicks
- Add documents not only from the device’s internal storage, but also directly from Google Drive
- The document quality, as well as the internal formatting of data, remains untouched
- No payments. The function is available right after installation for free
- Password protect your documents in a secure environment - thanks to the usage of the latest encryption methods
- Usage of the latest files encryption and decryption technologies is standard for us. This means imported and locked data cannot be extracted
- You get a protected document that is transferred securely by email or messenger
- No watermarks added. The document is clear, protected and securely encrypted

When adding password security to your document, remember that it should be a complicated combination of letters and numbers. Having a password of this type guarantees that your file will be carefully protected and no one can break its protection.

Our online service has no limitations - you are free to lock as many PDFs as you need without any limitations.

Document password protection is possible without the installation of any additional software. You also don't need any registration on online services. It easily password protects your files without having to leave your browser. This robust tool perfectly integrates into the browser and enriches it with its locking function.