LSS Converter

Convert LSS files online for free


Drop or upload your .LSS file
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How to convert your LSS file

  1. Click the "Select File" button above, and choose your LSS file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.

Convert LSS to another file type

The converter easily converts your LSS file to various formats - free and online. No Steam or extra software needed.

  • LSS to EXE
  • LSS to ISO
  • LSS to BIN
  • LSS to CUE
  • LSS to PAK
  • LSS to WAD
  • LSS to PK3
  • LSS to PK4
  • LSS to BSP
  • LSS to MAP
  • LSS to SAV
  • LSS to DAT

Convert a file to LSS

The converter also works in reverse, so you can convert other Data formats to LSS with high quality output.

  • MOD to LSS
  • BIN to LSS
  • CFG to LSS
  • SCX to LSS
  • DAT to LSS
  • MPQ to LSS
  • LOG to LSS
  • CUE to LSS
  • INI to LSS
  • EXE to LSS
  • SCM to LSS
  • ISO to LSS

About LSS files

The .LSS extension represents a diverse set of data formats, most notably the LimeSurvey Structure file and the LiveSplit Splits file. In the context of LimeSurvey, an .LSS file acts as a complete container for survey logic, groups, questions, and language settings, exported as raw XML. While ideal for backing up projects or migrating between servers, this format is illegible to stakeholders who need to review survey content in a human-readable format like PDF or DOCX without installing server software.

Similarly, LiveSplit uses .LSS to store speedrunning split times and segment history. These files are essential for tracking personal bests, but their specialized XML structure restricts data analysis. Gamers often need to convert these files to CSV or XLSX to perform deep statistical analysis of their run times in spreadsheet software. Less commonly, .LSS files contain terrain modeling data from McCarthy Taylor LSS software, which creates interoperability silos; engineers frequently convert these models to DXF or .LandXML for broader use in AutoCAD or Civil 3D workflows.

Whether you need to archive a survey, analyze speedrun metrics, or integrate terrain data, converting .LSS removes software dependency and enhances accessibility.

Use Convert.Guru to open and convert your LSS file.

Users also converted JSON, LSL, LSG, LYT, TXT, PDF, ZIP, EUS and LSQ files.



The LSS 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 LSS converter.