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Documentation Index

Fetch the complete documentation index at: https://mintlify.com/Tecnikero/TecniLauncher/llms.txt

Use this file to discover all available pages before exploring further.

TecniLauncher stores its configuration in a single JSON file at %APPDATA%\.TecniLauncher\Data\config.json. Most settings are accessible through the launcher’s Settings panel and take effect immediately or on the next game launch.

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Available settings

SettingDefaultDescription
Offline username"Jugador"Default player name when using offline mode
Show snapshotsOffWhether snapshot Minecraft versions appear in the version selector
Game window width854 pxMinecraft window width on launch
Game window height480 pxMinecraft window height on launch
FullscreenOffLaunch Minecraft in fullscreen
Languagees-ESUI language (see Language)
TecniStudio modeOffEnables TecniStudio account features
Per-profile RAM allocation is set on the profile itself, not in global settings — see the Java & Memory page.

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Accessing settings

  1. Click the Settings (gear icon) in TecniLauncher’s sidebar or top bar.
  2. Adjust any settings you want to change.
  3. Changes are saved automatically when you close the settings panel.

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config.json file

The configuration file is located at: 
%APPDATA%\.TecniLauncher\Data\config.json
Its structure looks like this: 
{
  "UltimoNombreOffline": "Jugador",
  "MostrarSnapshots": false,
  "JuegoAncho": 854,
  "JuegoAlto": 480,
  "PantallaCompleta": false,
  "EsTecniStudio": false,
  "IdiomaActual": "es-ES"
}
You can edit this file manually while TecniLauncher is closed. Invalid values are silently ignored and replaced with defaults on the next launch.

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