Absolutely possible! Tweaking Electron's default cache location is totally doable—here are the two most common approaches depending on your needs:

1. Global Cache Path Override #

If you want all windows in your app to share the same custom cache location, you can use Electron's app.setPath() method to redefine the standard cache system path (or its parent userData directory, where cache lives by default).

Here's a practical code example:

const { app } = require('electron');
const path = require('path');

app.whenReady().then(() => {
  // Set a dedicated, custom cache directory
  const customCacheDir = path.join(__dirname, '../my-app-custom-cache');
  app.setPath('cache', customCacheDir);

  // Alternative: Change the userData path (cache is a subfolder here by default)
  // app.setPath('userData', path.join(__dirname, '../my-app-custom-user-data'));
});

Important: Make sure your app has read/write permissions for the target directory—if it doesn't, Electron will silently fall back to the default cache path without throwing an error.

2. Per-Window Isolated Cache #

If you need different windows to use separate cache stores (like for multi-profile apps), you can specify a unique cachePath directly in the webPreferences when creating a BrowserWindow:

const { app, BrowserWindow } = require('electron');
const path = require('path');

app.whenReady().then(() => {
  // Window 1 with its own isolated cache
  const profile1Window = new BrowserWindow({
    webPreferences: {
      cachePath: path.join(__dirname, '../profile1-cache')
    }
  });
  profile1Window.loadURL('https://your-app-url.com');

  // Window 2 with a completely separate cache
  const profile2Window = new BrowserWindow({
    webPreferences: {
      cachePath: path.join(__dirname, '../profile2-cache')
    }
  });
  profile2Window.loadURL('https://your-app-url.com');
});

This keeps each window's cache data entirely separate, which is perfect for scenarios where you don't want shared browsing or app data between sessions.

Quick Tips #

• Always use Node.js's path module to build paths—it automatically handles cross-platform differences (forward slashes for macOS/Linux, backslashes for Windows).
• Test your custom path upfront to avoid silent failures—double-check permissions and that the directory exists (Electron will create it if it doesn't, but only if it has permission).

内容的提问来源于stack exchange，提问作者Thiyaga B