QOI Image Resizer
Resize your qoi (Quite OK Image) images directly in your browser. Lock the aspect ratio, set exact dimensions, and download in the original format. No files leave your device.
More Tools for QOI
Related Tools
Explore other tools available for this format.
View QOI Files
Open and inspect QOI images directly in your browser.
QOI Metadata Editor
View and edit EXIF and other metadata for QOI files.
Convert QOI
Convert QOI images to other formats like WEBP, PNG, JPEG and more.
Compress QOI Images
Reduce the file size of QOI images in your browser. Output to JPEG or WebP.
Crop QOI Images
Crop QOI images to any region in your browser. Draw a selection, lock aspect ratio, and download instantly.
Rotate QOI Images
Rotate and flip QOI images in your browser. Choose 90°, 180°, 270°, or flip horizontally and vertically.
What is qoi?
About QOI
Quite OK Image (.qoi) is a popular image format known for its lossless compression with efficient encoding for web images. QOI is a modern image format with lossless compression, designed to be simple, fast, and lightweight, perfect for quick image storage and web usage.
FAQ
Common questions
We've got answers.
You can resize any format that supports both decoding and encoding, including JPEG, PNG, WebP, BMP, GIF, TIFF, QOI, TGA, EXR, HDR, ICO, PNM, and Farbfeld. The output is saved in the same format as the input.
No. The resizer preserves the original file format. A JPEG stays a JPEG, a PNG stays a PNG. If you need a different format, use the converter first.
Scaling down generally looks fine. Scaling up will soften the image since there is no lossless way to add detail that was not there originally. The resizer uses Lanczos3 filtering for the best possible result.
When the lock is active, changing the width automatically updates the height to maintain the original proportions, and vice versa. Unlock it to set width and height independently.
No. All processing happens in your browser using WebAssembly. Your images never leave your device.