How to Clean Obsidian Electron Cache & GPUCache

🟢 100% Safe to Delete Typical Space Reclaimed: 0.4 GB – 2.5 GB

Location & Quick Verdict

%AppData%\obsidian\Cache and GPUCache

Obsidian's Electron shell stores Chromium rendering caches in %AppData%\obsidian while your actual markdown notes live in your Vault folder.

Safety confirmation: Cleans Chromium rendering cache without touching your Markdown vaults or community plugins.

How Embedded Chromium (Electron / CEF) Caches Bloated Obsidian Electron Cache & GPUCache

Modern web browsers and desktop apps built on Electron, Chromium Embedded Framework (CEF), or WebView2 run a full browser storage engine inside %AppData%\obsidian\Cache and GPUCache. Every inline video preview, animated sticker, PWA offline bundle, and compiled V8 JavaScript script is written into disk-backed Cache_Data, Code Cache, Service Worker CacheStorage, and IndexedDB LevelDB tables without strict disk quotas.

Over months of daily usage, Obsidian Electron Cache & GPUCache accumulates 0.4 GB – 2.5 GB of expired media blobs and stale Service Worker caches that are never evicted automatically. Clearing these cache subdirectories forces a clean storage state without deleting your saved passwords, active session cookies, bookmarks, or local databases.

PowerShell Size Verification (Read-Only Check):
# Inspect current disk footprint of Obsidian Electron Cache & GPUCache (Read-Only)
$target = "$env:APPDATA\obsidian\Cache"
Get-ChildItem -Path $target -Recurse -Force -ErrorAction SilentlyContinue |
  Measure-Object -Property Length -Sum |
  Select-Object Count, @{Name="SizeGB";Expression={[math]::Round($_.Sum / 1GB, 2)}}
🛡️ What Stays 100% Protected Saved logins, session cookies, bookmarks, open tabs, local notes/databases, and workspace preferences remain 100% intact.
⚡ What Gets Safely Removed HTTP media cache blobs, Service Worker CacheStorage offline bundles, compiled V8 bytecode caches, and Dawn/GPU shader caches.

Manual Cleaning Instructions

  1. 1 Close Obsidian.
  2. 2 Press Windows Key + R, type %appdata%\obsidian and press Enter.
  3. 3 Delete 'Cache', 'Code Cache', and 'GPUCache'.

Note: If Windows alerts that a file is in use or locked by a background process, close the associated task in Task Manager before deleting, or use SWEEPR Cleaner to release locked handles safely.

Sub-Folders & Cache Locations Breakdown for Obsidian Electron Cache & GPUCache

Modern Windows applications and system services split their disk footprint across multiple sub-directories (`Cache_Data`, `Service Worker\CacheStorage`, `Code Cache`, `GPUCache`, and `Crashpad\reports`). Review which sub-folders inside Obsidian Electron Cache & GPUCache are safe to purge and which files remain protected:

Sub-Folder / Cache Location Storage Role Typical Footprint Deletion Safety
%AppData%\obsidian\Cache\Cache\Cache_Data HTTP Disk Cache, Web Bundles & Static Media Chunks 0.4 GB – 2.5 GB 🟢 100% Safe
%AppData%\obsidian\Cache\Service Worker\CacheStorage Offline PWA Assets, Background Sync & Media Blob Storage 500 MB – 6.5 GB 🟢 100% Safe
%AppData%\obsidian\Cache\Code Cache\js & wasm V8 Compiled JavaScript & WebAssembly Bytecode Cache 250 MB – 2.5 GB 🟢 100% Safe
%AppData%\obsidian\Cache\GPUCache & DawnCache Chromium Skia/ANGLE/WebGPU Compiled Shader Cache 200 MB – 2.0 GB 🟢 100% Safe
%AppData%\obsidian\Cache\Crashpad\reports Historical Process Minidump (.dmp) Telemetry Files 150 MB – 3.0 GB 🟢 100% Safe
Cookies, Login Data, Bookmarks & Local Storage (leveldb) Active Account Sessions, Saved Passwords & User Preferences Protected 🔒 Protected — Never Touched

Frequently Asked Questions

Is it safe to delete Obsidian Electron Cache & GPUCache?

Yes, 100% safe. Cleans Chromium rendering cache without touching your Markdown vaults or community plugins.

How much storage space will cleaning Obsidian Electron Cache & GPUCache free up?

Users typically reclaim 0.4 GB – 2.5 GB on Windows 10 and Windows 11 systems depending on update frequency and active cache retention in %AppData%\obsidian\Cache and GPUCache.

Will clearing Obsidian Electron Cache & GPUCache sign me out of my accounts or delete my chat history?

No. Authentication tokens, cookies, and bookmarks live in separate profile files (such as Cookies, Login Data, and Local Storage). Cleaning the cache subfolders inside %AppData%\obsidian\Cache and GPUCache only removes temporary media and script caches.

Where is Obsidian Electron Cache & GPUCache located on Windows 10 and Windows 11?

It is stored at %AppData%\obsidian\Cache and GPUCache. You can paste that path directly into the Windows Run dialog (Win + R) or File Explorer address bar to inspect it.

Manual File Explorer vs. 1-Click SWEEPR Cleanup

Feature Manual Deletion SWEEPR Cleaner
Locked File Handling Fails on locked processes Safe background release
Accidental Deletion Risk Moderate (easy to delete wrong folder) Zero (strict rules & hashes)
Safety Undo Rollback None (Shift+Del is permanent) 7-Day Automatic Rollback
Time Required 10–20 minutes per app < 60 seconds across 40+ areas

Related Windows Cleanup Guides & Hidden Space Hogs

Clean Obsidian Electron Cache & GPUCache Automatically

SWEEPR Cleaner safely clears Obsidian Electron Cache & GPUCache along with 40+ other hidden app folders and leftover files in one click—covering up to 5 devices (Windows, Mac, Android & iOS) with a 7-day undo safety net.

🛡️ Windows 10/11 First-Launch Walkthrough: Because v0.1.0 is a freshly compiled 5 MB native Rust app, if Windows SmartScreen appears: Step 1: Click "More info" → Step 2: Click "Run anyway".