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Convert Steam64 to SteamID

Convert modern Steam64 format to legacy SteamID format (STEAM_X:Y:Z) instantly

Steam64to Legacy FormatSTEAM_X:Y:Z

Try these examples:

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Steam64 FormatModern
64-bit Steam ID used by modern Steam systems

Format Structure:

765611xxxxxxxxxx
  • • Always starts with 765611
  • • 17 digits total
  • • Unique 64-bit identifier

Examples:

765611980837221847656119808372218576561198000000000
SteamID FormatLegacy
The original Steam ID format used by Steam

Format Structure:

STEAM_X:Y:Z
  • • X: Universe (usually 0 or 1)
  • • Y: Auth server (0 or 1)
  • • Z: Account number

Converted Examples:

STEAM_1:0:123456STEAM_1:1:123456STEAM_0:0:999999
How the Conversion Works
Understanding the mathematical relationship between Steam64 and SteamID

Step 1

Subtract base value: Steam64 - 76561197960265728

Step 2

Calculate Y (auth server) = Account ID % 2

Step 3

Calculate Z = Account ID ÷ 2

When to Use SteamID Format
Legacy applications and systems that still require the old format
  • Legacy game servers
  • Old Steam tools
  • Historical data migration
  • Backward compatibility
  • Legacy admin panels
  • Old ban systems
Important Note

The SteamID format is considered legacy. While still functional, Steam64 is the preferred format for modern applications. Use this converter primarily for compatibility with older systems.

Related Steam ID Conversions
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SteamID to Steam64
Convert legacy format to modern
Steam64 to SteamID3
Convert to [U:1:X] format
SteamID3 to Steam64
Convert from [U:1:X] format
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