Click the "Select File" button above, and choose your SEC file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert SEC to another file type
To convert SEC security videos to another format, you need Samsung SmartViewer or other Video software.
Convert a file to SEC
To convert other file formats to the "Proprietary DVR Video File" file type, you need software like Samsung SmartViewer or a similar tool.
About SEC files
A .SEC file is primarily a proprietary video recording created by Samsung DVR (Digital Video Recorder) and NVR surveillance systems. It typically contains a raw H.264/AVC video stream packaged alongside security metadata, such as timestamps and anti-tamper watermarks. To view these files natively, users must rely on specific software like Samsung SmartViewer or the original DVR export utility. Occasionally, these files are exported onto a USB drive alongside a standalone .exe media player. The major disadvantage of the .SEC format is its restrictive, proprietary nature. These files cannot be opened by standard media players like VLC or Windows Media Player. Attempting to play them directly results in 'codec missing' or 'unsupported format' errors. Sharing these files with lawyers, police, or insurance adjusters is extremely annoying because it requires them to install unfamiliar software or run unknown executables, which is often blocked by corporate IT security policies. To make the footage usable, you must convert it. For web viewing or sharing, convert .SEC to MP4. For editing in Premiere Pro or Archiving, convert to AVI or MKV. Be aware that extracting the raw video stream might strip the proprietary on-screen timestamp or audio tracks if the conversion tool does not support decoding Samsung's specific metadata. Note: The .SEC extension is also occasionally used for Safe Exam Browser encrypted files or PGP Secret Keys, which are data files, not video. Drop your file here to view and convert it securely right in your browser.
Use Convert.Guru to open and convert your SEC file.
If you want to convert SEC file to MP4, AVI, MOV, WMV, FLV, WEBM, MKV, M4V, 3GP, OGV, ASF or RM, you can use Samsung SmartViewer or similar software from the "Security Camera Video Recording" category. In the File menu, look for Save As… or Export….
To convert MTS, MOV, RMVB, DIVX, RM, H264, TS, WMV, VOB, MP4, XVID or AVI files to SEC, try Samsung SmartViewer or another comparable tool in the "Security Camera Video Recording" category.
The SEC Converter Story
The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our SEC converter.