Free online Quite OK Image to WebP Image converter. Files are processed locally in your browser — no uploads, 100% private.
Drop your .QOI file here
or click to browse from your device
100% browser-based — no server uploads, no cloud processing
Free forever — no account or subscription required
Supports batch conversion for multiple files at once
Works on any device — desktop, tablet, and mobile
Results available in seconds — no server queue or wait time
Files are cleared immediately after processing for maximum privacy
QOI — fast lossless image compression format
Modern web format with superior compression over JPEG/PNG
WEBP is natively supported in all modern browsers
WEBP is an industry-standard format with universal support
Source: QOI — fast lossless image compression format
Output: Modern web format with superior compression over JPEG/PNG
Binary format not human-readable or version-controllable
Quality depends on compression settings
Large files slow down page load times
Web performance optimization
Reducing image bandwidth on web pages
Modern browser image delivery
Core Web Vitals and SEO improvement
Always keep original files before converting — some conversions are irreversible
Use WebP for web delivery — 25–35% smaller than JPEG at equal visual quality
Batch convert multiple files at once to save time using our bulk tools
Match format to use case: JPEG for photos, PNG for graphics, SVG for logos
Drag & drop your file or click to browse
Files are processed instantly in your browser
Save your converted or processed file
Upload your QOI file using the drop zone above. Your file is instantly converted to WEBP format right in your browser — no server upload, no waiting.
Completely. Our converter processes your QOI file 100% in your browser using client-side code. It never leaves your device or touches any external server.
It depends on the formats. Converting from lossless to lossy (e.g. PNG to JPEG) may reduce quality. Converting lossless-to-lossless (e.g. PNG to WebP lossless) preserves all quality.
Free, instant, and 100% private. Your files are processed locally in your browser.