Chrome, Brave, Arc & Edge
cove-chrome-mv3.zip — Complete offline extension with 8 × 4K wallpapers, Midnight Dark Mode, Discover IndexedDB cache, and procedural Focus Synth.
Install Cove in a few steps.
Cove ships as clean, self-contained Manifest V3 .zip archives (1.77 MB) with zero account sign-ups, no Cove server dependencies, and full cryptographic SHA-256 verification. Download your browser bundle below, load unpacked once, and press ⌘T / Ctrl+T.
1. Choose Your Release Package
1.77 MB · Gecko MV3Firefox & Zen Browser
cove-firefox-mv3.zip — Native Gecko Manifest V3 build (Firefox 140+) with strict CSP and background event worker.
Apache 2.0 License
GitHub Source
Audit or build from the clean Apache-2.0 Svelte 5 + Vite 6 repository archive (4.20 MB).
2. Load Cove in Your Browser (Google Chrome)
Manifest V3 · Permanent Unpacked — Select your browser below for exact URLs:
- 1
Download & unzip into a permanent folder
Download cove-chrome-mv3.zip (1.77 MB) and extract it to a permanent folder such as ~/Extensions/cove (do not delete the folder after loading).
- 2
Open chrome://extensions & enable Developer mode
Copy chrome://extensions below, paste it into Chrome's address bar, and toggle Developer mode ON in the top-right corner.
- 3
Click Load unpacked & open a New Tab
Click Load unpacked (top-left), choose your extracted folder, and press ⌘T / Ctrl+T. Click 'Keep it' if Chrome asks to confirm your new tab.
Important for Unpacked Chromium Installs: Keep your unzipped folder in a permanent location like ~/Extensions/cove rather than emptying it from Downloads.
Deterministic Build Verification
Download SHA256SUMS.txt3. Verify SHA-256 Checksums Locally
Every Cove release archive is packaged by scripts/package-extensions.mjs and checked by the release workflow before publication.
$ shasum -a 256 ~/Downloads/cove-chrome-mv3.zip| Artifact Filename | Size | Expected SHA-256 Digest |
|---|---|---|
| cove-chrome-mv3.zip | 1.77 MB | d4df6ba67805484be65c0eeb0be024cd07e93540c516bc5b5caa35c681f9e12f |
| cove-firefox-mv3.zip | 1.77 MB | 9b1a07f4dc7b248aa16a72d43183dc45df8052c3f31a2cf9a0b51766d689198a |
| cove-github-source.zip | 4.20 MB | a36483cb70b2437252fee9a1404ef2c0505e915862e0394fcafc438ab5d643b2 |
4. First-Minute Keyboard Shortcuts After Installing
Everything in Cove can be driven without lifting your hands from the keyboard:
| Key | Action in Cove New Tab |
|---|---|
| D | Open Cove Discover side-navigation newsroom (11 curated RSS sources + 3 keyless APIs and an offline article cache) |
| M | Toggle Focus Sound Sanctuary (Deep Work, Creative Flow, Calm Reading, Recharge + speech-masking texture) |
| / | Focus Search & !bang Omnibar (!g, !gh, !yt, !w, 14 provider presets, custom HTTPS engines, live math, dates, base conversion & more) |
| ⌘K / Ctrl+K | Launch Fuzzy Command Palette across open tabs, sessions, notes & workspace actions |
| 1 · 2 · 3 · 4 | Switch Stage: 1 Spatial Bento · 2 Ambient Monolith · 3 Focus Sanctuary · 4 Pure 4K Stillness |
| , or ⌘, | Open the 10-Section Full-Page Settings Studio |
Installation Troubleshooting & FAQ
Why should I unzip Cove into ~/Extensions/cove instead of leaving it in Downloads?
When you install an unpacked Manifest V3 extension in Chrome, Brave, Arc, or Edge, the browser loads assets directly from that folder on disk. Extracting Cove into a permanent folder like ~/Extensions/cove ensures your extension stays active even if you clean out your Downloads folder.
Chrome shows a 'Disable developer mode extensions' banner on startup—is Cove safe?
Yes. Chrome shows that notice for any extension loaded directly from disk outside the Chrome Web Store. Because Cove is open-source (Apache 2.0) with strict CSP (script-src 'self') and zero obfuscated code, loading unpacked lets you inspect every file in unpacked-chrome-mv3/.
How do I install Cove permanently in Firefox or Zen Browser?
Standard Firefox loads unsigned zips for the current browser session via about:debugging#/runtime/this-firefox. For permanent installation without signing prompts, use Firefox Developer Edition, Firefox Nightly, or Zen Browser (with xpinstall.signatures.required set to false in about:config) and install cove-firefox-mv3-v0.1.3.zip via about:addons. Firefox desktop 140+ and Firefox for Android 142+ are supported.
How do I back up or migrate my Cove settings, bookmarks, and RSS feeds to another computer?
Open Cove Settings (press , or ⌘,), navigate to Backup & Data, and click Export Workspace JSON. On your second machine, install Cove and import that JSON file—all themes, custom RSS feeds, notes, and Cove Smart Engine preferences restore immediately.
Want to inspect Cove's permissions, CSP, or system architecture before installing?