QOI Converter

Convert QOI files online for free


Drop or upload your .QOI file

How to convert your QOI file

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

Convert QOI to another file type

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

Convert a file to QOI

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


About QOI files

QOI, or Quite OK Image format, is a relatively new image file type designed to be simple and fast, offering lossless compression. While QOI offers quick encoding and decoding for images, it faces compatibility issues with mainstream software, making it challenging to work with.

Conversion Options

To work with QOI files, you might need to convert them to more widely accepted formats like JPEG, PNG, BMP, and TIFF. Here are some software options:

Challenges and Considerations

One of the main challenges with QOI files is the lack of widespread support, which can make conversion to other formats necessary. Additionally, while QOI is efficient, it may not offer the best compression ratios compared to other formats like JPEG for photographs.

Why Use Convert.Guru?

Given these challenges, using a reliable service like Convert.Guru is beneficial. It simplifies the conversion process, allowing you to drag and drop your QOI files for quick conversion to any of the supported formats. This ensures that you can easily access and share your images without compatibility issues.

Convert.Guru analyzes your QOI file, detects the exact format, and lets you read the text inside.



The QOI 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 QOI converter.