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meetsu edited this page Mar 23, 2026 · 3 revisions

Roblox

How it works

accshift stores your Roblox .ROBLOSECURITY cookie (encrypted with Windows DPAPI). When you switch accounts, it exchanges the cookie for a one-time authentication ticket via the Roblox API, then launches the Roblox Player through the roblox-player: protocol with that ticket.

Adding accounts

Two methods:

Quick Login (recommended)

Click Add Account. accshift generates a Quick Login code — enter it on roblox.com or scan the QR code. Once validated, accshift stores the account.

Cookie paste

In Settings > Roblox, paste your .ROBLOSECURITY cookie. accshift accepts multiple formats:

  • Raw cookie value
  • .ROBLOSECURITY:"<value>"
  • .ROBLOSECURITY=<value>
  • The full value with the _|WARNING:...|_ prefix

Switching

Click an account to switch. accshift:

  1. Exchanges the stored cookie for an auth ticket (server-side, one-time use)
  2. Kills any running Roblox instance
  3. Launches the Roblox Player with the auth ticket

The cookie is also written to the Windows registry for Roblox Studio compatibility.

Cookie storage

Cookies are encrypted at rest using Windows DPAPI (Data Protection API). They can only be decrypted by the same Windows user account that encrypted them. accshift never stores cookies in plaintext.

Settings

  • Show last login: Toggle last login time display

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