Image · Converter
Image format converter.
Convert images between JPG, PNG, WebP, GIF, and BMP. Batch up to 10 files. Everything runs locally in your browser — no uploads.
Inputs
Result
Choose images, pick a target format, then press Convert.
Understanding image formats
Choosing the right image format affects file size, quality, and compatibility. This converter does everything locally in your browser — your images never leave your computer.
Format guide
- JPG: photographs, gradients, complex colour. Lossy, no transparency.
- PNG: logos, graphics, screenshots, transparency. Lossless.
- WebP: modern web — ~30% smaller than JPG/PNG at similar quality. Supports transparency and animation.
- GIF: simple animations, 256 colours max.
- BMP: uncompressed raster — legacy / debugging.
Quality slider
90–100%: archival / print. 80–89%: sweet spot for web. 70–79%: thumbnails. Below 70% becomes visibly degraded on most photos.