Click the "Select File" button above, and choose your TLT file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert TLT to another file type
To convert TLT files to another format, you need AVerTV or other Data software.
Convert a file to TLT
To convert other file formats to the "Proprietary Data Container" file type, you need software like AVerTV or a similar tool.
About TLT files
A .TLT file is most commonly associated with three entirely different applications: an AVerMedia Teletext file containing captured subtitle data, a Trellix Web Design Document Template used for legacy website building, or an exported machine learning model from the NVIDIA Transfer Learning Toolkit. Teletext files are generated by TV tuner software to store closed captions, while Trellix files hold proprietary web layouts.
To open these files natively, you generally need the original software: AVerTV for teletext, Web.com's Trellix for web templates, or NVIDIA TensorRT for ML models.
Users typically need to convert .TLT files because the original software is either severely outdated or highly specialized. AVerMedia's format locks your subtitles to their proprietary video player, meaning you cannot use them in modern media players. Trellix templates cannot be natively rendered by standard web browsers. Furthermore, because these are closed, undocumented formats, standard text editors display them as scrambled binary code, making manual extraction incredibly frustrating.
If you are dealing with a teletext .TLT, the best conversion targets are standard subtitle formats like SRT, VTT, or plain TXT. You might lose exact video frame-timing synchronization, but the readable text will be salvaged. For Trellix files, extracting the data to HTML or TXT is the most realistic workaround to recover your layout and paragraph content.
Converting .TLT files is notoriously difficult because standard online converters cannot distinguish between a legacy web template, an encrypted NVIDIA model, and a proprietary subtitle file. Often, only the original software can properly parse and export the internal binary data.
Convert.Guru analyzes your TLT file, detects the exact format, and lets you read the text inside.
If you want to convert TLT file to TXT, RTF, DOC, DOCX, ODT, PAGES, TEX, LATEX, MD, MARKDOWN, LOG or NFO, you can use AVerTV or similar software from the "Teletext Data & Web Templates" category. In the File menu, look for Save As… or Export….
To convert PDF, DOC, ASC, TODO, NFO, MEMO, README, DOCX, JPG, TXT, NOTE or RTF files to TLT, try AVerTV or another comparable tool in the "Teletext Data & Web Templates" category.
The TLT 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 TLT converter.