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QOI File - What is a .qoi file and how do I open it?

Learn about .QOI files and view a list of programs that open them.

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Overview

What is a QOI file? A QOI file is a raster image saved in the Quite OK Image Format (QOI). The image it contains is losslessly compressed and saved in a 24-bit RGB or 32-bit RGBA format. QOI files are the same size as similar .PNG files, but can be encoded and decoded more quickly.

More Information QOI file open in ImageMagick In November 2021, developer Dominic Szablewski released the QOI format. The format is intended to be an open-source format that is easier to implement and faster to use than PNG. Specifically, QOI images can be encoded 20 to 50 times faster than similar-sized PNG images, and they can be decoded 3 to 4 times faster. Each QOI image includes a 14-byte header, which identifies the image as a QOI file and specifies the image's width, height, included channels, and colorspace.

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DeveloperDominic Szablewski
Popularity4.3 | 4 Votes

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.QOI File Extension

Quite OK Image Format

DeveloperDominic Szablewski
Popularity
4.3  |  4 Votes
 

What is a QOI file?

A QOI file is a raster image saved in the Quite OK Image Format (QOI). The image it contains is losslessly compressed and saved in a 24-bit RGB or 32-bit RGBA format. QOI files are the same size as similar .PNG files, but can be encoded and decoded more quickly.

More Information

QOI file open in ImageMagick

In November 2021, developer Dominic Szablewski released the QOI format. The format is intended to be an open-source format that is easier to implement and faster to use than PNG.

Specifically, QOI images can be encoded 20 to 50 times faster than similar-sized PNG images, and they can be decoded 3 to 4 times faster. Each QOI image includes a 14-byte header, which identifies the image as a QOI file and specifies the image's width, height, included channels, and colorspace.

How to open a QOI file

You can open a QOI file with ImageMagick 7.1.0-20 and later versions (multiplatform) or XnViewMP 1.0 and later versions (multiplatform). You can also open a QOI file in IrfanView (Windows) after installing an associated plug-in.

How to convert a QOI file

You can use ImageMagick or XnViewMP to convert QOI images to other formats. For example, XnViewMP can convert QOI files to the following formats (and many others):

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Programs that open QOI files

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Windows

ImageMagick

Free

XnViewMP

Free

IrfanView

Free

Mac

ImageMagick

Free

XnViewMP

Free

Linux

ImageMagick

Free

XnViewMP

Free

Category: Raster Image Files

Updated: July 15, 2022

FAQ

What is a QOI file?↓
A QOI file is a raster image saved in the Quite OK Image Format (QOI). The image it contains is losslessly compressed and saved in a 24-bit RGB or 32-bit RGBA format. QOI files are the same size as similar .PNG files, but can be encoded and decoded more quickly.
How do I open a .qoi file?↓
You can open a QOI file with ImageMagick 7.1.0-20 and later versions (multiplatform) or XnViewMP 1.0 and later versions (multiplatform). You can also open a QOI file in IrfanView (Windows) after installing an associated plug-in.
How do I convert a .qoi file?↓
You can use ImageMagick or XnViewMP to convert QOI images to other formats. For example, XnViewMP can convert QOI files to the following formats (and many others):

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