What is an ECP file?
The .ECP file extension primarily represents a Ukrainian digitally signed document. These files use the certificate2 format to verify the authenticity of electronic signatures. Government services in Ukraine generate these files to secure digital agreements.
Because .ECP has multiple possible meanings, it is important to verify the file content. An .ECP file can also be an EasyC Project File created by Intelitek for educational robotics. Alternatively, it might be a laser engraver job file for Epilog Laser or LightBurn, a WAGO e!COCKPIT automation project file, an Ettercap network packet log, or a construction budget data file from KROS Cenkros 4.
How to open ECP files?
If you have a Ukrainian digital signature, you can verify it through official government portals like Diia. For laser cutting files, you can use LightBurn. For automation engineering projects, use WAGO e!COCKPIT. If you are programming robots, you need the EasyC software.
Because an .ECP file can be many different things, viewer.online/ecp analyzes .ECP files to identify their exact format and creator software, shows which programs can open the file, and usually previews it.
Best practices and troubleshooting
Do not manually change the .ECP file extension. Depending on the software that created it, the file might contain raw binary data, an XML structure, JSON text, or a ZIP archive. For example, WAGO project files use ZIP compression, so you can inspect their internal assets using archive extractors. If you suspect the file is a network log, use packet analysis tools.
If you do not know the origin of the file, we highly recommend viewer.online/ecp to identify the actual format of your file before attempting to install new software.
Summary
Because .ECP files use the known certificate2 format, viewer.online/ecp can safely open and display them online, eliminating compatibility problems.