LosslessPrivateCanvas API

Drop your BMP file here

BMP — up to 50MB

How It Works

1

Upload BMP

Drop your BMP image.

2

Convert

Click Convert to transform to PNG.

3

Download PNG

Get your converted PNG image.

Share:Copied!
Was this tool helpful?

Get a free API key + new tools as they ship

100 calls/day, no card, no spam. Built by one person, in public.

About BMP to PNG

BMP to PNG solves a specific problem that comes up daily for anyone dealing with image format conversion: doing it once, fast, without an account. Everything happens client-side, which means your files and data never leave your machine. The interface is intentionally minimal so you can focus on the task instead of learning the tool. Like everything else in the image collection, it is free, ad-light, and works on mobile as well as desktop.

When you'd reach for BMP to PNG

  • You're hitting the daily limit of a paid SaaS and need a backup option for a single quick job.

    Marketers and ops people whose primary tool is metered.

    Stay productive without burning credits.

  • You need to handle a one-off task right before a meeting and don't have time to install anything.

    Anyone working remotely on a borrowed or restricted machine.

    Open the page, get the result, paste it into your doc — under a minute.

  • You're on a public or shared machine and don't want to leave traces of what you're working on.

    Travelers, contractors, anyone working from a friend's computer.

    Nothing is uploaded, nothing persists if you're not signed in.

  • You're cleaning up a folder of files that accumulated over a project and need to standardize them.

    Designers, writers, and developers wrapping up deliverables.

    Drop each file in, copy the output, move on.

Frequently asked about BMP to PNG

Is BMP to PNG really free?
Yes — BMP to PNG is free for unlimited personal use, with no account required and no watermark on the output.
Will BMP to PNG change my original file?
Never. BMP to PNG only reads your input file and produces a new output file.
Are my files uploaded to a server when I use BMP to PNG?
BMP to PNG processes everything in your browser using local APIs. Your files never leave your device.
Does BMP to PNG work on mobile?
Yes, BMP to PNG is fully responsive and tested on iOS Safari and Android Chrome.
Do I need to create an account to use BMP to PNG?
No. BMP to PNG works without any signup. We only ask for an email if you decide to subscribe to a paid plan.