Offline FileSecure

Store and protect your personal files in an encrypted offline vault directly on your Android device.

Offline FileSecure is built for personal documents, photos, PDF files, notes, audio, video, and other files you do not want to leave unprotected.

Files inside the vault are stored encrypted on your device. They are not uploaded to the cloud or sent to DK App Tools servers.

No account.
No cloud storage for your files.
No ads.
No analytics.
No tracking.

ENCRYPTED STORAGE

Offline FileSecure stores your files in a protected local vault.

You can add:

• documents;
• photos and images;
• PDF files;
• notes and text files;
• audio and video;
• contracts;
• receipts;
• travel documents;
• other personal files.

VAULT PROTECTION

File protection is a core part of Offline FileSecure.

• AES-GCM encryption.
• Encrypted files and sensitive metadata.
• PIN protection for the vault.
• Optional biometric unlocking.
• Recovery key.
• Automatic locking.
• Optional screen protection.

OFFLINE BY DESIGN

Your vault is stored locally on your device.

Offline FileSecure does not use cloud storage for files in the vault and does not send its contents to DK App Tools servers.

No account or registration is required.

Storage, encryption, unlocking, and supported file previews are handled locally on your device.

FILE PREVIEW

Supported files can be previewed directly inside Offline FileSecure.

You can preview:

• text files;
• images;
• PDF documents;
• audio;
• video.

For unsupported formats, you can use a compatible external app.

IMPORT AND EXPORT

Add files to your encrypted vault and export them whenever you need them.

When exporting, you choose where the file is saved.

FREE VERSION AND PRO

The free version lets you add up to 10 protected files.

After reaching the limit, files already stored in the vault remain available for preview, export, and deletion.

Offline FileSecure Pro is unlocked with a one-time purchase through Google Play.

Pro:

• removes the limit on the number of protected files;
• adds batch import for multiple files.

The encryption and core vault protection are the same in both the free and Pro versions.

FILE ORGANIZATION

Offline FileSecure also provides additional tools for organizing and accessing your protected files.

• Browse protected files by category, including Documents, Images, Videos, Audio, Archives, and Other.
• Quickly access recently added files.
• Use file thumbnails where supported for easier visual browsing.

LANGUAGES

Offline FileSecure is available in multiple languages:

• English;
• Bulgarian;
• German;
• Spanish;
• French;
• Italian;
• Brazilian Portuguese;
• Japanese;
• Korean.

PRIVACY

Offline FileSecure is built around a simple idea:

Your personal files should stay on your device.

Encrypted storage.
Offline vault.
No cloud storage for your files.
No account.
No ads.
No analytics.
No tracking.

Your files. Your device.