BMP → PNG
Convert your BMP files to PNG for free, in your browser. No upload, no signup.
Drag your images or click
PNG · JPG · WebP · AVIF · JXL · GIF · BMP · PDF
⌘V paste⌘O open⌘S download
Why convert BMP to PNG?
BMP (Bitmap) — Uncompressed Microsoft format. Very large files, rarely used on the web. Often encountered in legacy Windows contexts.
PNG (Portable Network Graphics) — Lossless format created in 1996 to replace GIF. Ideal for images with transparency, screenshots, logos, and illustrations.
Converting BMP to PNG typically reduces file size while preserving a visual quality close to the original.
Quick comparison
BMP
Source formatBitmap
Released in 1986
Windows native
Best for: legacy Windows archives
- No compression
- Simple to read
- Huge files
- No modern use case
PNG
Target formatPortable Network Graphics
Released in 1996
All browsers and systems
Best for: logos, screenshots, illustrations
- Lossless
- Alpha transparency
- Supported everywhere
- Heavy files
- Not great for photos
How it works
- 1
Drop your BMP
Drag the file or paste it (⌘V).
- 2
Adjust the settings
Optional quality and max width.
- 3
Download the PNG
Local, instant conversion.
Frequently asked questions
Is BMP → PNG conversion free?+
Yes, totally and without limit. PixelCrush requires no signup or payment — you can convert as many BMP images to PNG as you wish.
Are my files uploaded to a server?+
No. All conversion happens in your browser via WebAssembly. No image leaves your device, ensuring privacy and speed.
Can I convert multiple BMP files to PNG at once?+
Yes, batch processing is native. Drop multiple files or a folder, adjust the settings, then download everything as a .zip in one click.
Is PNG well supported by browsers?+
All browsers and systems For a public site, AVIF and WebP are the safest choices.
Is there a file size limit?+
No imposed limit. The only constraint is your device's memory, but files of several MB pass without difficulty.