PNG to BMP Converter
Drop a PNG, get a BMP. Nothing is uploaded.
Neither a JPG nor a 24-bit BMP can be transparent, so whatever was see-through becomes this colour.
The shape is always kept, so the other side follows. Neither maximum ever ENLARGES a picture that is already smaller than it.
Pixels for either maximum, and a percentage for the last one. It is ignored while Resize is keeping the original size.
Nothing is uploaded. Your file is read in your browser and never leaves your computer.
What this does
Every screenshot tool and every drawing program writes PNG. A BMP is the plainest picture there is, so a stubborn old program that refuses every modern format will usually still open one. It is what a reference picture, a label or a texture arrives as.
How it works
- Choose your PNG fileDrag a PNG file onto the box above, or press it and pick one. It is read in your browser, so nothing is uploaded.
- Wait for the BMPThe conversion runs on your own computer, so how long it takes depends on your machine and the size of the file, not on a queue.
- Download the BMPPress the download button. The BMP file lands in your downloads folder, ready for your slicer.
About the formats
- Why your file is a PNG
- Portable Network Graphics. Every screenshot tool and every drawing program writes PNG.
- Why you want a BMP
- Windows Bitmap. A BMP is the plainest picture there is, so a stubborn old program that refuses every modern format will usually still open one.
- What a BMP holds
- Every pixel exactly as it was, written out raw with no compression whatsoever, which is why one of these is enormous.
- What changes on the way to BMP
- A bitmap has no alpha channel at all, so whatever showed through is filled in with the colour you choose below, and the file swells because nothing in a BMP is compressed.
- Where this format turns up
- It is what a reference picture, a label or a texture arrives as.
Questions
Is PNG to BMP Converter free?
Yes. Every tool on Short Work Tools is free, with no account, no sign-in and no limit on how many files you run through it. It runs on your own computer, so it costs us nothing to give away.
Is my file uploaded anywhere?
No. Nothing is uploaded. Your file is read in your browser and never leaves your computer. There is no upload step, no server copy and nothing kept afterwards, which is also why it works with the network switched off once the page has loaded.
What does the BMP keep from the PNG?
Every pixel exactly as it was, written out raw with no compression whatsoever, which is why one of these is enormous. A bitmap has no alpha channel at all, so whatever showed through is filled in with the colour you choose below, and the file swells because nothing in a BMP is compressed.
How large a file can I use?
Up to 250 MB. The limit is your browser's memory rather than an upload size, because the file never goes anywhere; a file larger than that is refused with a message rather than crashing the tab.
Which programs write PNG files?
Every screenshot tool and every drawing program writes PNG. It is what a reference picture, a label or a texture arrives as.
Does the converted picture keep the information the camera wrote into it?
No, and there is no setting for it because there is nothing to set. The picture is decoded to pixels and drawn onto a fresh canvas, and a canvas has no place to put the camera model, the date or the GPS position the original carried, so none of it is in the file you get back.
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