Compress Images Online
Free · No sign-up · Images never uploaded
Convert JPG / PNG into much smaller WebP or AVIF files, or deep-optimize the original format. Quality stays near-lossless while file size typically drops 50–90%. Everything runs locally in your browser — your images are never uploaded.
Open the tool →How to use
- Drag & drop, click to choose, or paste (Ctrl+V) the image you want to compress
- Pick an output format (WebP for the web, AVIF for smallest size, PNG for lossless) and adjust the quality slider
- Compare original vs. compressed side by side, then hit Download
FAQ
- Will compression hurt image quality?
- At quality 75–85 the difference is virtually invisible. PNG uses lossless OxiPNG optimization, so quality is untouched. The split view lets you zoom in and compare pixel by pixel.
- Are there file size or count limits?
- No. All processing happens on your device, never on a server, so any size works.
- Which format should I choose?
- WebP for websites and social media; AVIF for the smallest files; WebP or PNG when you need transparency; JPEG for maximum compatibility.