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How to Share Files with Password Protection
When sending files that contain work documents, photos, videos, or personal information, you may feel uneasy if "anyone who knows the URL can see it".
In such cases, setting a password to share files is convenient.
The easiest way is to use a file sharing service that supports password protection. You can simply upload the file, set a password, and communicate the generated URL and password to the recipient.
This article introduces typical methods for sharing files with password protection and their respective features.
The Easiest Option is Password-Protected File Sharing Services
If you just want to "send files with a password", using a file sharing service is the simplest method.
Although the operations vary by service, you can generally share files through the following steps:
- Upload the file
- Set a password for sharing
- Copy the generated URL
- Communicate the URL to the recipient
- Communicate the password to the recipient separately
The recipient can download the file by opening the URL and entering the password.
Unlike attaching files directly to an email, it is easier to share large files or multiple files all at once, which is an advantage.
For Free Password-Protected File Sharing Use UploadF
If you want to share files with password protection easily, you can also use the free file uploader "UploadF".
UploadF is a file sharing service available not only on PCs but also on smartphones.
You can set a password when uploading files, allowing you to send only the file URL to the recipient, making it so that only those who know the password can access the file.
The operation is relatively simple and supports drag-and-drop uploading on PCs. You can also upload multiple files at once, making it convenient for sharing groups of photos or documents.
You can set the storage period from one day to unlimited, and extend the storage period as needed. Additionally, you can delete shared files individually, making it feasible if you don't want the files to stay after sharing is complete.
If you want to share password-protected files right away, click here
Methods for Sharing as Password-Protected ZIP or 7z
If you want to protect the file itself with a password, you can also share it as a compressed file like ZIP or 7z.
For example, you can consolidate multiple files into one file like "materials.zip", set a password, and hand it over without directly exposing the original files.
Especially in 7z format, it supports encryption with AES-256 and employs a mechanism to generate the encryption key from the password.
However, this method may require software to compress and encrypt the files. Also, the recipient will need to extract the files, adding a bit of hassle if the goal is simply to "share easily".
Therefore, it is advisable to use them in different scenarios like this:
- If you want to share easily via a URL → Use a password-protected file sharing service
- If you want to hand over encrypted files → Use password-protected ZIP or 7z
- If you want to continuously manage a large number of files → Use cloud storage
Sharing Files Using Google Drive
You can also share files and folders on Google Drive.
When sharing, you can set permissions such as "Viewer," "Commenter," or "Editor," and if you set general access to "Restricted," only users with permissions can open the files.
However, Google Drive does not have a feature to set individual passwords for files themselves. Therefore, if you want a format where users must know the URL and enter a password to download, you will need to consider alternative methods.
When using Google Drive, the basic method involves restricting access to users based on their Google account or sharing permissions rather than passwords.
Dropbox Allows Passwords to be Set on Shared Links
Dropbox also has a feature to set passwords on shared links.
According to Dropbox's official help, in plans such as Professional, Essentials, Standard, Advanced, Business, Business Plus, and Enterprise, you can set passwords on shared links. When clicking a link with a password, users are prompted for the password to display the shared file.
Additionally, in applicable plans, you can also set expiration dates for shared links.
However, password-protected shared links are not available on all Dropbox plans.
If you want to "temporarily hand over files without creating an account to manage in the cloud," it may be more convenient to use a file sharing service that supports password setting.
Communicate Passwords Separately from the URL
When sharing files with a password, it's important not to write the URL and password in the same message.
For example, suppose you send the following via email:
- File URL:
https://example.com/xxxxx - Password:
123456
In this case, a person who reads the email could acquire both the URL and the password.
For greater security, consider using email for the URL and a different communication method for the password, separating the two pieces of information.
Nonetheless, separating the password through another channel does not guarantee complete safety. It is crucial to choose an appropriate method based on the relationship with the recipient and the contents of the file.
Things to Check When Sharing Files with Passwords
Before sharing files, it's reassuring to check the following items:
- Is it possible to set a password?
- Can files not be obtained just by the shared URL?
- Can the storage period be set?
- Can files be deleted after sharing?
- Can the recipient use the service without account registration?
- Is it compatible with both PC and smartphones?
- Can multiple files be shared at once?
Especially for temporary file sharing, it is advisable to verify whether you can delete files after sharing is completed.
Make the Password Hard to Guess
Just because you can set a password doesn’t mean you should use simple strings like "123456" or "password".
Avoid setting passwords using information that could be guessed by others, such as names, birthdates, phone numbers, or company names.
If possible, combine letters, numbers, and symbols, and set a password different from those used in other services.
In addition, if you publicly post the password-protected shared URL on social media or in any publicly accessible location, the purpose of setting a password diminishes.
Choose File Sharing Methods Based on Purpose
There are various methods to share files with password protection, each suited for different purposes.
| Method | Features | Suitable Uses |
|---|---|---|
| File Sharing Service | Upload and share URL and password | Easy one-time sharing |
| Password-Protected ZIP or 7z | Share encrypted files | When you want to give over encrypted files |
| Google Drive | Set user and sharing permissions | Ongoing file management |
| Dropbox | Can set passwords on shared links in supported plans | Sharing while managing in the cloud |
If you want to "send a file just once" or "don't want the recipient to register an account," file sharing services are particularly user-friendly options.
If You Want to Share Files with Password Protection
There are several ways to share files with a password, but if you prioritize ease of use, a file sharing service that supports password setting is recommended.
With UploadF, you can upload files from PCs and smartphones and set passwords for sharing. It also supports drag-and-drop, making it easy to upload from a PC.
Moreover, you can set the storage period from one day to unlimited and individually delete files after sharing. Since you can upload up to 100 files simultaneously, it is useful when you want to share multiple documents or images.
If "creating a compressed file is cumbersome" or "you don't want to create an account for cloud storage," using such file sharing services will make the process smoother.
Share password-protected files for free → UploadF
Conclusion
Methods for sharing files with password protection include file sharing services, password-protected ZIP or 7z, and cloud storage.
If you simply want to hand over files to someone, using a file sharing service that allows password setting is convenient.
On the other hand, if you want to send encrypted files directly, it is more appropriate to use password-protected ZIP or 7z, and if you want to manage files continuously, consider cloud storage such as Google Drive or Dropbox.
Choose the method based on your usage and the importance of the files you are sharing, and while taking care of managing the URL and password, share files safely.
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