Bulk BMP to AVIF Converter Online — Free HD Quality
Drag and drop your multiple BMP files into this free online BMP to AVIF converter (.bmp to .avif), and click the Convert button to bulk convert them to AVIF format in HD quality. Use the quality slider to fine-tune your AVIF output, then download your converted files one by one or as a single ZIP — your original BMP files are removed from our servers right after.
To:
85%
Drop images here or click to browse
PNG, JPG, WebP, GIF, HEIC, RAW, PSD, SVG and more
Max 100MB per file
BMP vs AVIF — File Format Comparison
| Feature | BMP | AVIF |
|---|---|---|
| File Extension | .bmp | .avif |
| MIME Type | image/bmp | image/avif |
| Compression Type | Lossless | Lossy & Lossless |
| Transparency Support | No | Yes |
| Animation Support | No | Yes |
| Metadata Support | Yes | Yes |
What Is BMP Format?
Windows Bitmap format, uncompressed raster images.
- Compression: Lossless
- Transparency: Not supported
- Animation: Not supported
What Is AVIF Format?
AV1 Image File Format with superior compression for modern browsers.
- Compression: Lossy & Lossless
- Transparency: Supported
- Animation: Supported
Related Converters
- Convert ALAC to PAM free
- Free CAF to GIF - no account needed
- Free DCS to PAM - no account needed
- DCS to SGI conversion
- Online EPS to SGI converter tool
- FLAC to OGA - free, no signup
- Batch JPS to PAM converter
- MOS to AVIF converter
- NEF to CUR converter
- Free OGG to CAF converter
- Convert multiple PCX to ICO at once
- Save PTX as JPEG 2000
- Save RAS as JPEG 2000
- Queue SGI to PPM conversions
- More BMP conversions
- All AVIF conversion options
- Image conversion tools
- All file conversion tools