BMP to PNG

Convert a bitmap (.bmp) image to lossless PNG.

Select an image

Click to choose, or drop a file here

Related PDF tools

BMP to JPGConvert a bitmap (.bmp) image to JPG in your browser.BMP to PDFConvert bitmap (.bmp) images into a PDF with no upload.PNG to JPGConvert a PNG to a smaller JPG — transparency is flattened onto white.Compress ImageShrink a JPG, PNG or WebP to a smaller file — by quality or a target size.

BMP to PNG — frequently asked questions

Is the file uploaded?+

No — the BMP is decoded and re-encoded as PNG entirely in your browser.

Any quality loss?+

No, PNG is lossless.

你們會把我的檔案上傳到伺服器嗎？+

不會——這裡的每個工具都完全在你的裝置上處理檔案，不會向伺服器上傳任何內容。唯一的例外是 AI 工具，它們會把擷取的文字（而非檔案本身）傳送給 Claude 來完成工作。

有檔案大小限制嗎？+

我們沒有人為設下限制，但由於處理過程在你的瀏覽器中進行，非常大的檔案（超過 500MB 或 1000 頁）會受你裝置記憶體的限制，而非我們的限制。