SEA File Extension
Self-Extracting Archive
- File Type sea
- Developer Smith Micro
- Popularity
- Application ShrinkIt
- Category Compressed Files, Compressed Files
- Format Binary
What is a SEA file?
Self-Extracting Archive files, recognized by the SEA extension, fall into the Compressed Files and Compressed Files categories, amounting to 1640 files.
The Self-Extracting Archive (SEA) was created by Smith Micro, a company that developed file format and produced 7 programs for their use.
SEA files are compatible with various operating systems, including Windows and Mac OS. If you need to open a SEA file, you can use one of 2 programs, such as ShrinkIt and The Unarchiver.
MIME types
- application/x-sea
- application/sea
How to open a SEA file?
If you’re having difficulty opening a SEA file, it is often due to not having the correct software. To solve the problem, choose a compatible program from the list. Then follow the link to the official developer site, download the software, and install it on your device.
ShrinkIt and The Unarchiver are among the most widely used programs for handling SEA files. To set up the newest version of ShrinkIt on your device, simply go to the official Andy Nicholas website. There you can download the edition compatible with every operating system.
Once the process is complete, ShrinkIt should take over as the default application for SEA files.
Make ShrinkIt the default SEA viewer
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired SEA file to access a dropdown menu of actions;
- Choose "Open in Application" and click "Other";
- At the bottom of the window, you will find the "Enable" menu. Default, will be set to "Recommended Programs";
- Choose "All Programs" in this menu and search for ShrinkIt. Check the box next to "Always open in app" to make it the default program.
Change default programs in Windows
- Start by right-clicking on your SEA file, then select "Open With" and continue by clicking "Choose another app" from the options provided;
- Inside the popup window, scroll through the list of applications and specifically choose ShrinkIt as the application to associate with your SEA file;
- Check the "Always use this app" checkbox and click "OK".
Finding answers to SEA file problems
Rest assured, any issues with SEA files can typically be addressed with simple software adjustments. See the tips below for help.
What are the steps to repair a damaged SEA file?
Open the damaged SEA file in a recovery program and select the "Repair" menu item to start the repair operation. Allow the recovery process to complete, which will automatically repair the damaged compressed files.
What are the methods to detect if my SEA file has been corrupted?
The signs of corrupted SEA compressed files can manifest as:
- Unexplained SEA file size inflation;
- ShrinkIt or other programs stop responding or crash when trying to handle the file;
- When opening the file, errors occur or the inability to access its contents;
- While working with the file, error alerts are encountered;
- The file shows slow performance when edited in ShrinkIt;
What are the reasons behind ShrinkIt crash?
Insufficient software updates can contribute to ShrinkIt crash. To avoid this, make sure that you have installed the latest updates for Andy Nicholas products.
A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.
How to edit a SEA file?
To modify SEA files, it is necessary to install dedicated software that lets you open and edit compressed files. Online SEA editors generally offer fewer tools compared to programs designed for Self-Extracting Archive.
Best SEA Editor Software in 2026
Based on the criteria above, here is a selection of SEA editors you can use.
| SEA Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| ShrinkIt | Andy Nicholas | Windows | 4.3 out of 5 (40 reviews) |