KDB File Extension
Keypass Database Format
- File Type kdb
- Developer KeePass Password Safe
- Popularity
- Application KeePass Password Safe
- Category Encoded Files, Database Files
What is a KDB file?
The KDB file extension is linked to Keypass Database Format and belongs to the categories of Encoded Files and Database Files, which include 552 files.
KDB files are compatible with various operating systems, including Windows as well as mobile platforms such as Apple iOS. To open a KDB file, you can choose from 3 programs such as KeePass Password Safe, KeePassX and MiniKeePass - Secure Password Manager.
Programs that support KDB files
How to open a KDB file?
If you cannot open a KDB file, it is most often due to missing software. Select a program from the list according to your operating system. Then go to the official website of the program developer, download it, and install it on your device.
KeePass Password Safe, KeePassX and MiniKeePass - Secure Password Manager are among the most widely used programs for handling KDB files. To install the most up-to-date edition of KeePass Password Safe, visit the official Dominik Reichl website. You can download the build that works across all operating systems.
After setup, the operating system should recognize KDB files and link them with KeePass Password Safe.
Set KeePass Password Safe as the default KDB handler
Choose an app to open a file on Mac
- Right click or use Control + left click on the desired KDB file to launch the file options menu;
- Choose "Open in Application" and click "Other";
- Scroll down to the bottom of the window, and there you will find the "Enable" menu. The default selection is "Recommended Programs";
- Choose "All Programs" within this menu and locate KeePass Password Safe. Check the box next to "Always open in app" to set it as the default program.
Change default programs in Windows
- Start by right-clicking on your KDB file, then select the "Open with" option and choose "Choose another app" from the menu that appears;
- In the pop-up window, find and select the KeePass Password Safe application from the available options;
- Make sure the "Always use this app" checkbox is checked and click "OK" to confirm your choice as the default app for opening KDB files.
How to edit a KDB file?
To modify KDB files, it is necessary to install dedicated software that lets you open and edit encoded files. Online KDB editors generally offer fewer tools compared to programs designed for Keypass Database Format.
Best KDB Editor Software in 2026
Based on your described criteria, here is a list of available KDB editors.
| KDB Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| MiniKeePass - Secure Password Manager | Flush | Apple iOS | 4.8 out of 5 (41 review) |
| KeePass Password Safe | Dominik Reichl | Windows | 4.6 out of 5 (36 reviews) |
| KeePassX | KeePassX Team | Windows | 4.6 out of 5 (40 reviews) |
Convert files to and from KDB
When a KDB file is not easy to work with, converting it to formats like KDBX or other comparable types may help.
It is important to understand that converting a KDB file might limit certain functions, but this conversion is usually reversible.
Convert KDB to other file formats
Converting Files to KDB Format
Effective solutions for KDB file problems
KDB files can sometimes be tricky, but minor software adjustments usually resolve the issues. Refer to the tips below for guidance.
Are there any techniques or tools available to repair a damaged KDB file?
Use a recovery program to open the damaged KDB file, and in the menu, click "Repair" to start the repair operation. Allow the recovery process to complete, which will automatically repair the damaged encoded files.
What are the ways to check if my KDB file is damaged?
The signs of corrupted KDB encoded files can manifest as:
- When opening the file, errors occur or the inability to access its contents;
- The file shows slow performance when edited in KeePass Password Safe;
- KeePass Password Safe or other programs stop responding or crash when trying to handle the file;
- Unexplained KDB file size inflation;
- Actions performed on the file result in the appearance of error notifications;
What factors contribute to KeePass Password Safe crash?
Insufficient updates for Dominik Reichl products can cause KeePass Password Safe to crash. Be sure to regularly install the latest software updates.
Restarting your computer can resolve numerous common problems, so it should be the initial step before changing any software-related settings.