How do I convert PNG to QOI?

Drop your PNG file onto the converter above, make sure QOI is selected, and click Convert. When it's done, download the QOI file — it usually takes a few seconds.

Is it safe to convert PNG to QOI here?

Yes. PNG to QOI conversion happens entirely inside your browser using WebAssembly, so your file is never uploaded to any server.

Is the PNG to QOI converter free?

Yes — free with no watermark. Signed-out visitors can convert 25 files a day, and a free account raises that to 250.

Will converting PNG to QOI reduce quality?

No — QOI preserves the content of your PNG file as faithfully as the format allows.

Can I convert multiple PNG files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.

Can I convert QOI back to PNG?

Yes — use our QOI to PNG converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.

QOI→PNG PNG→JPG PNG→WebP JPG→QOI PNG→JPEG WebP→QOI PNG→PDF HEIC→QOI PNG→GIF JPEG→QOI PNG→AVIF GIF→QOI PNG→SVG PNG→ICO PNG→TIFF PNG→BMP PNG→PSD PNG→EPS PNG→JXL PNG→TGA PNG→DDS PNG→EXR PNG→HDR PNG→JP2 PNG→CUR PNG→PPM PNG→PCX PNG→PGM PNG→PBM PNG→PNM AVIF→QOI ICO→QOI TIFF→QOI BMP→QOI HEIF→QOI PSD→QOI JXL→QOI CR2→QOI NEF→QOI DNG→QOI CR3→QOI ARW→QOI TGA→QOI DDS→QOI EXR→QOI RAF→QOI HDR→QOI JP2→QOI CUR→QOI JPG→PNG JPG→WebP WebP→PNG WebP→JPG HEIC→PNG HEIC→JPG MP4→MP3 JPG→JPEG JPEG→PNG JPEG→JPG JPG→PDF PDF→PNG PDF→JPG HEIC→WebP MP4→WebP PDF→DOCX DOCX→PDF JPEG→WebP WebP→JPEG JPG→GIF GIF→PNG GIF→JPG MP4→MOV MOV→MP4 WebP→PDF HEIC→JPEG WebP→GIF GIF→WebP HEIC→PDF MP3→WAV WAV→MP3 JPEG→PDF PDF→JPEG SVG→PNG SVG→JPG HEIC→GIF MOV→MP3 MP4→GIF GIF→MP4 JPEG→GIF GIF→JPEG JPG→AVIF AVIF→PNG AVIF→JPG MP3→M4A M4A→MP3 GIF→PDF SVG→PDF JPG→SVG PDF→SVG SVG→WebP MOV→WebP MP4→WAV MP4→WebM WebM→MP4 WebP→AVIF AVIF→WebP WebP→SVG SVG→JPEG MP4→MKV MKV→MP4 HEIC→AVIF MP4→M4A JPEG→AVIF AVIF→JPEG JPEG→SVG MOV→GIF GIF→MOV WebM→MP3 AVIF→PDF MP3→FLAC FLAC→MP3 MP4→AVI AVI→MP4 MKV→MP3 GIF→AVIF AVIF→GIF SVG→GIF GIF→SVG WebM→WebP MOV→WAV XLSX→PDF CSV→PDF EPUB→PDF PDF→EPUB MOV→WebM WebM→MOV MKV→WebP JPG→ICO ICO→PNG ICO→JPG MP3→AAC WAV→M4A AAC→MP3 M4A→WAV MP4→FLAC AVI→MP3 MOV→MKV MKV→MOV MOV→M4A DOCX→EPUB EPUB→DOCX CSV→DOCX PDF→TXT DOC→PDF TXT→PDF WebP→ICO ICO→WebP PPTX→PDF AVI→WebP WebM→GIF

PNGQOI

Convert PNG to QOI

Free, fast and private. Your PNG files are converted right in your browser — nothing is uploaded.

Runs in your browser
No watermark
Batch & ZIP download

Need a smaller PNG? Compress PNG

How to convert PNG to QOI

1
Add your PNG files
Drag and drop PNG files onto the converter, paste them, or click to browse. You can add several at once.
2
Choose QOI
QOI is already selected. Open Options if you want to change quality, size or metadata.
3
Convert
Click Convert. Your files are converted right in your browser in seconds.
4
Download your QOI
Download each QOI file, or everything at once as a ZIP.

PNG vs QOI

From

PNG · Portable Network Graphics

PNG is a lossless raster format that keeps every pixel exactly as it was and supports full alpha transparency.

Type: Image
Extension: .png
MIME: image/png
Best for: screenshots, logos, UI assets and any graphic that needs sharp edges or a transparent background

LosslessTransparencyOpen standard

All PNG conversions →

QOI · Quite OK Image Format

QOI is a fast, simple lossless format that encodes 20–50× faster than PNG with comparable file sizes.

Type: Image
Extension: .qoi
MIME: image/qoi
Best for: games and tools that need quick lossless encoding

LosslessTransparencyOpen standard

All QOI conversions →

Need it the other way around? Convert QOI to PNG.

PNG to QOI: frequently asked questions

Free, private and in your browser