ESM Converter

Convert ESM files online for free


Drop or upload your .ESM file

How to convert your ESM file

  1. Click the "Select File" button above, and choose your ESM file.
  2. You'll see a preview.
  3. Click the "Convert file to..." button to save your file in the format you want.

Convert ESM to another file type

The converter easily converts your ESM file to various formats - free and online. No Steam or extra software needed.

  • ESM to ESP
  • ESM to DSM
  • ESM to UMD
  • ESM to ESL
  • ESM to EXE
  • ESM to ISO
  • ESM to BIN
  • ESM to CUE
  • ESM to PAK
  • ESM to WAD
  • ESM to PK3
  • ESM to PK4

Convert a file to ESM

The converter also works in reverse, so you can convert other Game formats to ESM with high quality output.

  • MOD to ESM
  • BIN to ESM
  • CFG to ESM
  • SCX to ESM
  • DAT to ESM
  • MPQ to ESM
  • LOG to ESM
  • CUE to ESM
  • INI to ESM
  • EXE to ESM
  • SCM to ESM
  • ISO to ESM

About ESM files

The .ESM file extension primarily represents the Elder Scrolls Master file, a critical game data archive used by Bethesda Game Studios titles like Skyrim, Fallout 4, and Starfield. These files function as the foundation for the game world, containing permanent records such as object locations, dialogue, and scripts. Because .ESM files are proprietary binary archives designed for high-performance loading by the Creation Engine, they are completely unreadable to standard text editors or image viewers. Gamers and modders often struggle to access this data without specialized tools like the Creation Kit or xEdit, creating a barrier for those wishing to extract assets or analyze game mechanics.

A significant secondary use of the .ESM extension (approx. 20%) is for Digital Tachograph data files. These secure files record commercial driver activity (driving time, rest periods) and vehicle speed for legal compliance, particularly in Europe. The core challenge here is accessibility: the data is often encrypted or encoded in a proprietary binary structure that requires expensive fleet management software to interpret. For compliance reporting and easy sharing, the best solution is to convert these tachograph .ESM files to PDF for printable reports, CSV or XLSX for Excel analysis, or XML for integration with other logistics systems. For Bethesda game files, conversion typically involves extracting assets to standard formats like DDS (textures) or OBJ (models) using modding utilities.

Use Convert.Guru to open and convert your ESM file.

Users also converted DDD, BA2, JS, EMS, JPG, EPS, EASM, NIF, ECM, TXT, BIO, SSL and ESS files.



The ESM Converter Story

The history of Convert.Guru began over 25 years ago in California with Tom Simondi’s file-format database. A former contributor to Space Shuttle development and a software pioneer of the 1980s, Simondi established a trusted resource for file type analysis that was even referenced by Microsoft Windows XP. Today, we use modern technology to process and convert thousands of file formats while continually improving our ESM converter.