CUSTOM Converter

Convert CUSTOM files online for free


Drop or upload your .CUSTOM file
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How to convert your CUSTOM file

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

Convert CUSTOM to another file type

The converter easily converts your CUSTOM file to various formats—free and online. No Windows or extra software needed.

Convert a file to CUSTOM

The converter also works in reverse, allowing you to convert your file into the CUSTOM file type—in the best quality.


About CUSTOM files

CUSTOM files are proprietary file formats often used by specialized software. They can be complex and difficult to handle due to lack of widespread support. This makes conversion to more accessible formats essential for usability. Common target formats for CUSTOM files include .pdf, .docx, .txt, .jpg, and .png.

For offline conversion, software like LibreOffice and Adobe Acrobat can sometimes handle CUSTOM files, depending on the file's origin. These tools offer varying levels of support and might require additional plugins or updates.

Another option is using VLC Media Player for media CUSTOM files, as it supports a wide range of formats and can be used to convert audio and video files.

Converting CUSTOM files can be challenging due to their proprietary nature. Compatibility issues often arise, leading to potential data loss or formatting errors. Additionally, specialized features of the original file may not translate well into standard formats, resulting in incomplete conversions.

The primary drawback of CUSTOM files is their limited compatibility with popular software and platforms, which can hinder collaboration and sharing. This is why it's often beneficial to convert CUSTOM files into more universally accepted formats.

To simplify the conversion process, consider using the Convert.Guru website.

Use Convert.Guru online viewer to open and convert your CUSTOM file.

Users also converted WEBP, PDF, HRV, SVK and THX files.



The CUSTOM 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 CUSTOM converter.