Convert BMP files to compressed PNG format. Dramatically reduce file size with zero quality loss.
Upload your BMP file
Conversion runs instantly
Download the PNG result
Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
0 bytes uploaded. BMP to PNG Converter runs entirely in your browser using Canvas API and WASM. Your image stays on your device at all times. No data is sent to any server.
PNG uses lossless compression, typically 50-80% smaller than uncompressed BMP files.
Convert PNG to JPG to reduce file size. Choose background color for transparent PNGs. Browser-based.
Open toolConvert PNG images to WebP for smaller file sizes with no quality loss. Free, browser-based, no upload required.
Open toolCompress images to a target file size in KB. Uses browser-image-compression for multi-threaded optimization.
Open tool