Free tool
WebP/AVIF Quality Tester
Compare image quality and file size at different WebP/AVIF settings.
Best-effort AVIFSize statsInstant
Why it helps
Pick the best quality
Compare output sizes and quality metrics quickly.
Browser-based
Runs locally with your browser's available encoders.
Quality
WebP/AVIF quality tester
Best-effort AVIF
Drag and drop your files here, or use the button to select files.
AVIF support: No
FAQ
Quick answers about this tool.
Is this private?
Yes. All processing happens in your browser.
Do I need an account?
No. These tools are free and work without signup.
Can I use multiple files?
Yes. Most tools support batch processing.