ACSaveTool 2.4.3 – Assassin’s Creed Save Converter

ACSaveTool 2.4.3 - Assassin's Creed Save Converter

ACSaveTool is a universal save converter for almost all Assassin’s Creed games on PC, plus Steep and Immortals Fenyx Rising.

This tool allows you to convert saves between different encryption IDs.


  • Convert saves between different encryption IDs.
  • Support various game saves.
  • Multiple files processing at once.
  • Auto detect game title, decryption/encryption ID for certain saves.

How to use:

Open save files by clicking Open button, or drag and drop to app window.

ACSaveTool 2.4.3 - Assassin's Creed Save Converter

Choose the matching game title, or leave as [Auto Detect] (only works for certain game saves).

Enter Decryption ID for the loaded saves, or select Detect checkbox (if supported).

Enter Encryption ID needs to be converted to, or use the “…” button, open a test save to detect encryption ID.

Supported game saves and their decryption/encryption ID type:

  • Assassin’s Creed Valhalla // Account ID
  • Assassin’s Creed Odyssey // Account ID
  • Assassin’s Creed Origins // Account ID
  • Assassin’s Creed Syndicate // Account ID
  • Assassin’s Creed Rogue // Game key
  • Assassin’s Creed Unity // Account ID
  • Assassin’s Creed Liberation HD // Game key
  • Assassin’s Creed IV Black Flag // Game key
  • Assassin’s Creed III [Remastered] // Game key [Account ID]
  • Assassin’s Creed Revelations // Account (legacy) username
  • Immortals Fenyx Rising // Account ID
  • Steep // Account ID

Note: Use Account ID and Account (legacy) username in lowercaseGame key in uppercase.

ACSaveTool 2.4.3 - Assassin's Creed Save Converter

Click Convert button, original saves will be backed up in acst_backup folder (inside the source folder).

ACSaveTool 2.4.3 - Assassin's Creed Save Converter

Copy converted files (*.save) to save location.

You may need to temporarily disable cloud save sync before starting the game.

Author: linuslin0

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