Is there a file count limit on the free plan?

No, there is no file count limit or plan/tier check; you can select unlimited files.

Can I adjust color depth or resolution?

No, only the background color and quality (for jpg/webp) can be adjusted.

Which image formats can I convert?

You can convert PNG, JPG, BMP, and WebP files, as well as HEIC/HEIF photos from iPhone. You can select multiple images at the same time, set the target format, and perform bulk conversion.

How can I download the converted images?

When the conversion is complete, you can download all results as a single ZIP file. The ZIP file name is generated based on the target format and the number of images you selected.

Bulk PNG to BMP Converter - Batch Image Tool

🖼️ Image Files (select multiple, HEIC supported)

🎯 Target Format

Quality: %92

🎨 Background Color (fills PNG transparency)

Auto-deleted in 7 days

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Support

Your files are encrypted with SSL and automatically deleted from our servers 7 days after processing.

📖 How to Use

Upload image

Drag JPG/PNG/WebP/HEIC files.

Pick settings

Format / size / quality / background.

Convert

Click to start.

Download

Get the result; batches arrive as ZIP.

Frequently asked questions

No. All processing is done entirely in your browser (client-side), and no file is uploaded to a server. Processing is also done one by one in a sequential loop, not in parallel.

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PNG ⇄ BMP / JPG / WebP Batch Converter