Click the "Select File" button above, and choose your TSL file.
You’ll see a preview, if available.
Click the "Convert file to..." button to extract text information.
Convert TSL to another file type
To convert TSL files to another format, you need BOSS Tone Studio or other Settings software.
Convert a file to TSL
To convert other file formats to the "Audio Equipment Presets" file type, you need software like BOSS Tone Studio or a similar tool.
About TSL files
The .TSL file is primarily a BOSS Tone Studio Liveset, a configuration file storing preset collections for BOSS guitar processors and amplifiers like the Katana, ME-80, or GT-1000. These files bundle amp models, equalization settings, and digital effects parameters so musicians can save and share custom tones. Under the hood, most are encoded as JSON data, though some variations for specific loopers act as compressed ZIP archives holding multiple configuration files. A smaller percentage of .TSL files serve entirely different technical functions, such as Test Specification Language scripts used by QA platforms like TestShell, or proprietary logs like Tracker Status Logs and HDD bore logs by Subsite Electronics. The main disadvantage of a .TSL audio preset is its strict proprietary hardware dependency. You cannot natively apply a .TSL Katana patch to competing hardware like a Line 6 or Kemper unit. Editing parameters without the official BOSS Tone Studio requires reverse-engineering the JSON data structure. Furthermore, cross-compatibility between different models of BOSS hardware is frequently broken by minor firmware updates, causing frustrating import errors. If you need to extract the raw settings, your best conversion targets are JSON or TXT. Because this is a highly closed ecosystem, standard online converters fail to migrate patches into universal audio profiles.
Convert.Guru analyzes your TSL file, detects the exact format, and lets you read the text inside.
If you want to convert TSL file to JS, TS, PY, JAVA, CPP, C, CS, PHP, RB, GO, RS or SWIFT, you can use BOSS Tone Studio or similar software from the "Guitar Processor Preset Liveset" category. In the File menu, look for Save As… or Export….
To convert SH, PY, KT, PS1, SWIFT, LUA, PL, JAVA, SCALA, JS, VBS or TS files to TSL, try BOSS Tone Studio or another comparable tool in the "Guitar Processor Preset Liveset" category.
The TSL 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 TSL converter.