Bulk BMP to PNG Converter Online — Free HD Quality
Drag and drop your multiple BMP files into this 100% free online BMP to PNG converter (.bmp to .png), and click the Convert button to bulk convert them to PNG format in HD quality. Use the quality slider to fine-tune your PNG output, then download your converted files one by one or as a single ZIP — no signup and no downloads needed, and your original BMP files are removed from our servers right after. Also see:Convert multiple GIF to PPM.
Drop your BMP files here to convert to PNG, or click to browse
Converts .bmp to PNG (.png) in HD quality — bulk, free, no signup
Choose FilesBMP vs PNG — File Format Comparison
See how BMP and PNG compare across file extension, MIME type, compression, and feature support.
| Feature | BMP | PNG |
|---|---|---|
| File Extension | .bmp | .png |
| MIME Type | image/bmp | image/png |
| Compression Type | Lossless | Lossless |
| Transparency Support | No | Yes |
| Animation Support | No | No |
| Metadata Support | Yes | Yes |
What Is BMP Format?
Windows Bitmap format, uncompressed raster images.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported
What Is PNG Format?
Portable Network Graphics with lossless compression and transparency.
- Compression: Lossless
- Transparency: Supported
- Animation: Not supported