Related tools: Image Compressor, EXIF Scrubber, Resize & Crop
WebP is usually the best balance of quality and file size. AVIF is smaller but has broader support limits on older browsers. Use AVIF for modern sites and WebP as a fallback.
No. All conversion runs locally in your browser — nothing is sent to a server.
Yes. Converting a PNG to JPG (JPEG) often dramatically reduces file size for photos, though JPG does not support transparency.
Yes. 100% free, no sign-up, no watermarks, no upload limits.