C Cylith Download ZIP

LOCAL-FIRST PASSWORD CONTROL

Simple, private credential management for Chrome.

Cylith keeps encrypted credentials on your own device, unlocks with your seed phrase, maps accounts per site, and keeps update verification explicit.

Download Cylith Extension Install Guide

Local-first storage

Manual credential entry

Seed-locked decryption

Encrypted backup before update

FEATURES

Focused capability without extras

Current-site account isolation

Only accounts for the active domain are shown in your main flow.

Session duration control

Choose seed entry every open, every 24 hours, or every 3 days.

Advanced generator controls

Set min numbers/symbols, avoid ambiguous characters, exclude chars, and no-repeat mode.

Optional secure updater

Manifest checks over HTTPS with local hash verification before package open.

SECURITY MODEL

Designed for narrow, understandable risk

Data boundaries

  • Encrypted vault persisted in chrome.storage.local.
  • Seed phrase required for decryption.
  • Session cache is encrypted and time-bounded.

Behavior boundaries

  • No automatic credential injection.
  • No cloud dependency required for storage.
  • Encrypted backup export before update handoff.

INSTALL

Load into Chrome in one pass

  1. Download cylith-password-manager.zip.
  2. Extract archive contents.
  3. Open chrome://extensions.
  4. Enable Developer mode.
  5. Select Load unpacked and choose cylith-extension.

OPTIONAL UPDATES

Verified update codes

Cylith validates the 512-character code hash locally before opening the update package.

Update Code

Code length: 512 characters