Convert QOI to PNG
Convert QOI files to PNG locally, completely free and with maximum privacy.
Drag and drop your files here
or click to browse local files (large files supported, limited only by browser RAM)
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How to convert QOI to PNG
- Drop your .qoi files above, or click Upload Files. You can add many files at once.
- PNG is already selected as the output. Open the settings (gear icon) to fine-tune the result.
- Click Convert All. ImageMagick runs inside your browser through WebAssembly; nothing is uploaded.
- Download your .png files as soon as each one finishes.
What to know about QOI to PNG conversion
- Transparency is preserved: PNG supports an alpha channel just like QOI.
- PNG is best for screenshots, logos and graphics with sharp edges or transparency, and opens in every browser, operating system and image editor.
QOI vs PNG
| Feature | QOI (Quite OK Image Format) | PNG (Portable Network Graphics) |
|---|---|---|
| Compression | lossless | lossless |
| Transparency | Yes | Yes |
| Animation | No | No |
| Best for | very fast lossless encoding in apps and games | screenshots, logos and graphics with sharp edges or transparency |
| Opens in | specialized viewers and some image editors | every browser, operating system and image editor |
QOI (Quite OK Image Format): A fast, simple lossless image format with compression comparable to PNG and much faster encoding.
PNG (Portable Network Graphics): A lossless image format supporting transparency, ideal for web graphics, screenshots, and logos.
Conversion options
- Resize by width, height or both (aspect ratio is preserved)
- Filters: grayscale, sepia, blur and sharpen
- Custom output file name
Frequently asked questions
Is it safe to convert QOI to PNG here?
Yes. Your files are processed entirely on your own device by WebAssembly code running in the browser. They are never uploaded, so nobody else can see them, and the converter keeps working even if your connection drops after the page loads.
Is there a file size limit?
There is no server-side limit. The only limit is the memory available to your browser, typically 1.5–4 GB on desktop computers.
Can I convert several QOI files at once?
Yes. Add as many files as you like; they are converted in parallel according to your device's CPU cores, and you can apply the same settings to all of them.
Related conversions
Need the opposite? Convert PNG to QOI.
Convert QOI to other formats
- QOI to JPG
- QOI to PDF
- QOI to WEBP
- QOI to GIF
- QOI to SVG
- QOI to AVIF
- QOI to ICO
- QOI to TIFF
- QOI to BMP
- QOI to JXL
- QOI to PSD
- QOI to TGA
Convert other formats to PNG
- JPG to PNG
- PDF to PNG
- WEBP to PNG
- HEIC to PNG
- GIF to PNG
- SVG to PNG
- AVIF to PNG
- ICO to PNG
- TIFF to PNG
- BMP to PNG
- JXL to PNG
- PSD to PNG
See every QOI converter and PNG converter, or browse the full converter directory.