Secure Document Locker

Protect your sensitive documents with strong encryption

Lock Documents
Unlock Documents
My Document Vault

Lock a Document

Select a file and set a password to encrypt it. Remember the password – it cannot be recovered!

Note: All encryption happens in your browser. Your files and passwords are never sent to any server.
 

Unlock a Document

Upload an encrypted document and enter the password to decrypt it.

 

My Document Vault

View and manage your encrypted documents stored in this browser.

Your vault is empty

Lock some documents to see them here

Encrypt and Decrypt Files – Secure Your Data Online

In today’s digital age, data security is no longer optional—it’s essential. Whether you’re sharing personal documents, protecting confidential work files, or simply storing sensitive information, encryption is the best way to keep your data safe. Our Encrypt and Decrypt Files tool at DailyLifeTool makes it incredibly easy to secure your files online, without any complicated software or downloads. This free online tool helps you encrypt files into unreadable formats and decrypt them using a password key when needed. It’s fast, secure, and ideal for anyone—from tech beginners to professionals.

What Is File Encryption?

File encryption is the process of converting readable file data into an unreadable format called ciphertext. It ensures that only those with the correct decryption key or password can access the original file. This is commonly used for securing documents, images, PDFs, ZIP files, and more.

Example:
You upload a file → enter a password → get an encrypted version → share/download securely.

What Is File Decryption?

Decryption is the reverse of encryption. Once you (or the intended recipient) have the encrypted file and the correct password, you can use the Decrypt tool to restore the file to its original, readable form.

This two-way system ensures full control over who can view or access your data.

Features of Our Online Encrypt and Decrypt Files Tool

  • Free & Easy-to-Use – No tech knowledge required

  • 100% Browser-Based – No need to download software

  • Password-Protected Encryption

  • Supports All File Types (PDF, DOCX, TXT, JPG, PNG, ZIP, etc.)

  • No File Size Limit – Optimized for both small and large files

  • Instant File Processing

  • Auto-delete from server – Your data is never stored permanently

Why You Should Encrypt Files Online

Protecting your sensitive data is crucial for both personal and professional users. Here’s why encryption matters:

1. Protect Sensitive Information

Encrypting your files ensures that no unauthorized user can open or view them—even if they gain access to your device or email.

2. Secure File Sharing

Whether you’re sending personal documents or business files via email or cloud services, encryption keeps your data safe from interception.

3. Compliance with Regulations

For businesses, encrypting files is essential for GDPR, HIPAA, and ISO compliance when handling customer or employee data.

4. Avoid Identity Theft or Data Breaches

Encryption reduces the risk of identity theft, ransomware, and data breaches, especially for sensitive files like IDs, contracts, and medical records.

Common Use Cases for Encrypting Files

  • Encrypt tax files before uploading to cloud storage

  • Protect work documents when sending via email

  • Secure personal images and videos from unauthorized access

  • Share confidential contracts with clients

  • Save encrypted backups on external drives

How to Use DailyLifeTool’s Encrypt & Decrypt Tool

Encrypting a File:

  1. Click on the “Encrypt File” tab.

  2. Upload your file.

  3. Enter a strong password.

  4. Click “Encrypt”.

  5. Download your encrypted file (.enc or similar format).

Decrypting a File:

  1. Click on the “Decrypt File” tab.

  2. Upload the encrypted file.

  3. Enter the same password used during encryption.

  4. Click “Decrypt”.

  5. Download the original file.

That’s it—your secure file is ready to use or share!

Is This Tool Safe to Use?

Yes. At DailyLifeTool, we prioritize your privacy and security:

  • Your uploaded files are encrypted directly in your browser.

  • Files are automatically deleted after processing.

  • We do not store passwords or file data.

  • End-to-end encryption ensures total file confidentiality.

Still, we recommend using strong, unique passwords and saving them securely.

Best Practices for File Encryption

  • Use a long password with a mix of letters, numbers, and symbols.

  • Avoid using the same password across multiple files.

  • Keep a backup of your encrypted file and password in a safe location.

  • Refrain from uploading extremely sensitive documents to online tools if you do not trust the host platform.

Final Thoughts

Data protection should be simple, fast, and accessible. That’s why DailyLifeTool brings you the best free online Encrypt and Decrypt Files tool. Whether you’re sharing a sensitive document, protecting a folder, or securing your personal photos, this tool gives you complete control over your data.

Use our tool today and take the first step toward better digital privacy!

Frequently Asked Questions – Encrypt and Decrypt Files

What is file encryption?
File encryption is the process of converting data into a secure format that can only be read or accessed with a password or decryption key.
How do I use this Encrypt and Decrypt tool?
Upload your file, choose whether to encrypt or decrypt, enter a password, and click the respective button. Download the secured or unlocked file instantly.
Is this file encryption tool free to use?
Yes, our Encrypt and Decrypt tool is completely free to use without any hidden fees or account registration.
Can I decrypt files encrypted elsewhere?
Yes, as long as the file uses standard encryption and you have the correct password, you can decrypt it using this tool.
What types of files can I encrypt?
You can encrypt any type of file including PDFs, documents, images, zip files, and more.
Is my file secure while uploading and processing?
Yes, we use advanced encryption protocols and do not store any uploaded or processed files on our server. Your data remains private.
Do I need to install software to encrypt or decrypt files?
No, this tool works entirely online in your browser. No downloads or installations are required.
Can I use this tool on mobile devices?
Yes, our tool is fully responsive and works smoothly on smartphones, tablets, and desktops.
What happens if I forget my encryption password?
If you lose your password, the file cannot be decrypted. Always save your password securely as we cannot retrieve it.
Are there any file size limits for encryption or decryption?
Most files under 100MB are supported. For larger files, performance may depend on your device and browser capabilities.
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