WEBP to QOI - Convert image online

Conversion Results:
# Output File Source File Action

How to convert WEBP to QOI:

1. Click "Choose Files" button to select multiple files on your computer or click the dropdown button to choose online file from URL, Google Drive or Dropbox. Image file size can be up to 200M. You can use file analyzer to get source image's detailed information such as image size, resolution, quality and transparent color etc.

2. Set target image format, image quality and image size. You can use the original image size or select "Change width and height" option and enter customized image size. The format is [width]x[height], for example: 1920x1080. Image quality option only works on a few image formats such as JPG, WEBP or AVIF etc. The value ranges from 1 (lowest image quality and highest compression) to 100 (best quality but least effective compression). If this value is blank, the converter will use the estimated quality of your input image if it can be determined, otherwise 92. The target image format can be JPG, PNG, TIFF, GIF, HEIC, BMP, PS, PSD, WEBP, TGA, DDS, EXR, J2K, PNM or SVG etc.

3. Click "Convert Now!" button to start batch conversion. It will automatically retry another server if one failed, please be patient while converting. The output files will be listed in the "Conversion Results" section. Click icon to show file QR code or save file to online storage services such as Google Drive or Dropbox.

WEBP vs QOI:
Name WEBP QOI
Full name Weppy Image Format Quite OK Image Format
File extension .webp .qoi
MIME image/webp
Developed by Google phoboslab
Type of format Image format, Lossless/lossy compression algorithm Image format
Introduction WebP is an image format employing both lossy and lossless compression. As a derivative of the VP8 video format, it is a sister project to the WebM multimedia container format. WebP-related software is released under a BSD license. QOI - The "Quite OK Image Format" for fast, lossless image compression. QOI is fast. It losslessy compresses images to a similar size of PNG, while offering 20x-50x faster encoding and 3x-4x faster decoding. QOI is simple. The reference en-/decoder fits in about 300 lines of C. The file format specification is a single page PDF.
Technical details Google has proposed using WebP for animated images as an alternative to the popular GIF format, citing the advantages of 24-bit color with transparency, combining frames with lossy and lossless compression in the same animation, and as well as support for seeking to specific frames. A QOI file consists of a 14-byte header, followed by any number of data chunks and an 8-byte end marker. The colorspace and channel fields are purely informative. They do not change the way data chunks are encoded.
Associated programs Google Chrome, Opera, Picasa, PhotoLine, Pixelmator, ImageMagick, XnView, IrfanView, GDAL ImageMagick
Sample file sample.webp sample.qoi
Wikipedia WEBP on Wikipedia QOI on Wikipedia