AVIF → BMP Converter

Convert .avif images to .bmp locally in your browser. No uploads.

Drag & Drop your .avif here, or pick a file:
Nothing is uploaded. Some browsers may not decode AVIF; if your image won't load, try a different browser.
Leave blank to use source width.
If one dimension is blank, aspect ratio is preserved.
BMP is opaque; transparent pixels will be filled with:
How the source fits into the target size.
Your preview will appear here after conversion.
Source size: -
Output size: -

AVIF → BMP - Quick Cheat Sheet

Why not use toDataURL('image/bmp')?

Most browsers don't expose BMP encoders via canvas. This tool implements a lightweight 24-bit BMP encoder directly on the pixel data.

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