What is a PEK file?
A .PEK file is most commonly an Adobe Peak Waveform File created by Adobe Systems. Video and audio editing software like Adobe Premiere Pro and Adobe After Effects generate these files automatically. They store the visual waveform data of audio clips. This allows the software to draw audio waveforms quickly on the timeline without recalculating the data every time you open a project. In other rare cases, a .PEK file can be a game asset archive package for Perfect World Entertainment games or a SHARAD radar sounding data file from NASA.
How to open PEK files?
Because most .PEK files are cache data, you generally do not open them manually. Adobe Premiere Pro uses them in the background. If you want to see the visual audio waveform, you simply open the associated audio or video file inside the Adobe software. If your file is a game asset archive instead, community modding tools like PekEdit can open and extract the contents.
Best practices and troubleshooting
Since .PEK files accumulate over time, they can take up significant disk space. It is completely safe to delete .PEK files. The software will simply regenerate them the next time you open the related project. To stop them from filling up your hard drive, you can clear your media cache or set automatic deletion rules through the preferences menu in your Adobe software.
Inspecting PEK files online
Because the .PEK extension has multiple possible meanings, it can be confusing. viewer.online/pek can analyze .PEK files to identify the exact format and creator software, inspect the file structure, extract readable text, and check whether an online preview is available.
Summary
Ultimately, viewer.online/pek is useful for identifying, inspecting, and understanding .PEK files without installing software or dealing with compatibility problems.