Free Image Converter

BMP to AVIF Converter

Convert BMP to AVIF online for free. Upload BMP bitmap images and legacy image exports and download modern AVIF files for faster web images and current browser support.

No signup Batch conversion Files auto-deleted
Image file icon
BMP
Bitmap image
to
AVIF
Modern web image

Or drop files here. Max file size 1GB.

Choose a file before converting.

After uploading a BMP file, select AVIF from the output format menu and start conversion.

Why convert BMP to AVIF?

AVIF is a modern image format built for smaller web files. Convert BMP images when you want compact assets for pages, apps, and current browsers.

Built for modern websites

Use this page for BMP images exports, screenshots, product images, CMS uploads, and design assets that need an AVIF version.

Private by default

Your files are processed securely and deleted automatically after conversion, so you can quickly create AVIF copies without installing an app.

How to convert BMP to AVIF online

  1. 1

    Upload your BMP image from your device.

  2. 2

    Choose AVIF as the output format and start the conversion.

  3. 3

    Download your AVIF image and use it in modern web projects.

Dedicated BMP to AVIF converter

Create AVIF images from BMP files

Use this dedicated BMP to AVIF converter when your source image is ready but your website, app, or delivery workflow needs a modern AVIF output.

Website BMP images

Create AVIF versions of BMP images for pages, landing pages, blogs, and asset libraries where smaller modern image files can improve load speed.

Batch AVIF exports

Convert a group of BMP images to AVIF in one workflow when you are preparing a folder of assets for a website or app.

Modern image delivery

Use AVIF as a modern output for legacy bitmap archives, desktop exports, and large image files while keeping the original BMP file as a fallback when older tools need it.

Frequently Asked Questions

Can I convert BMP images to AVIF?

Yes. Upload BMP images and convert them to AVIF files for browsers, websites, CMS libraries, and performance-focused image workflows.

Why convert BMP to AVIF?

AVIF can keep good visual quality at smaller file sizes than many older image formats, which helps pages load faster when the target browser or app supports AVIF.

Can I convert multiple images at once?

Yes. Add multiple images, choose AVIF as the target format, and convert them together. Each file can be up to 1 GB.

Is AVIF supported everywhere?

AVIF is supported by modern browsers and many current image tools. Keep a JPG, PNG, or WebP fallback when you need compatibility with older software.

Are my image files private?

Files are processed securely and automatically deleted after conversion. Your images are not shared or kept for long-term storage.

What happens when BMP becomes AVIF

Source format

BMP is a simple bitmap format that is often uncompressed and therefore large.

Target format

AVIF can use lossy or lossless compression and supports transparency and high bit depth.

What changes

The BMP pixels are decoded and written using AVIF compression and color capabilities.

What is preserved
Pixel dimensions and visible composition are preserved unless resize or crop settings are selected.
What may be lost
Layers, editable vectors, camera-raw controls, animation, high bit depth, and metadata are preserved only when AVIF supports them.
Codec and quality implications
Color profile handling, bit depth, chroma sampling, and compression settings can change appearance or file size.
Realistic limitations
Multi-page, layered, animated, camera-raw, or very large images may be flattened, reduced to one frame, or rejected if the decoder cannot safely read them.

Conversion steps

  1. Upload a BMP file no larger than 1 GB.
  2. Confirm that AVIF is selected as the target.
  3. Start the conversion. A healthy compatible worker begins processing immediately.
  4. Download the AVIF file and check the result before deleting your source.

Troubleshooting

The BMP file is rejected or will not open.
Confirm that the file is not empty, password-protected, or corrupt and that its real format matches the extension.
The AVIF file is larger than expected.
Choose a more efficient codec or lower quality setting when available. Lossless and uncompressed targets are often larger by design.
Transparency, color, or animation changed.
Choose a target that supports the needed feature and keep the original file; JPG cannot store transparency or animation.

Privacy and file retention

Uploads and converted files are processed automatically and irreversibly deleted within 24 hours. You can delete them sooner with the delete control. Convertr does not read, mine, sell, or manually review file contents.

Read the privacy policy