IMAGE CONVERSION

Free BMP to PNG online

Convert BMP bitmaps to PNG format.

BMP to PNG is a free browser tool that lets you convert BMP bitmaps to PNG format. Drop your BMP file into BMP to PNG, choose your settings, and save the finished file. BMP to PNG works on your device only, so no file or text is ever uploaded.

Why use BMP to PNG

BMP to PNG runs entirely inside your browser. Your BMP file is never uploaded, stored or shared, and nothing is retained once you close the tab.

How to use BMP to PNG

  1. Add your BMP file Drag your BMP file onto the drop zone or pick it from your device.
  2. Confirm the output Check that the PNG settings match what you need.
  3. Run the tool BMP to PNG works instantly on your device, with no queue and no upload wait.
  4. Download the result Save the finished file straight to your device, then reuse the tool as often as you like.

Benefits

Private by design

Your BMP file stays on your device while BMP to PNG works. BMP to PNG never sends it to a server, so confidential work stays confidential.

Instant results

BMP to PNG finishes most jobs in under a second because the work happens on your own hardware.

No signup, no limits

Use BMP to PNG as many times as you want. BMP to PNG asks for no account, adds no watermark and keeps no paid tier gating the output.

Works offline

Once the page has loaded, BMP to PNG keeps working without a connection, which helps on flights and locked-down networks.

Who it is for

For designers

Designers use BMP to PNG to prepare assets for handoff without installing software: convert BMP bitmaps to PNG format on a shared or locked-down machine.

For marketers

BMP to PNG helps marketers publish campaign assets quickly, since your BMP file never leaves the laptop it was created on.

For freelancers

BMP to PNG helps freelancers send client deliverables quickly, since your BMP file never leaves the laptop it was created on.

How it works

BMP to PNG reads the BMP structure in your browser, decodes its content into an in-memory representation, then re-encodes that data as PNG. Both the decode and encode steps of BMP to PNG run on your device, so nothing is transmitted and accuracy never depends on network conditions.

Frequently asked questions

Is BMP to PNG free to use?

Yes. BMP to PNG is completely free with no account, no trial and no usage cap. Every feature on this page is available on the first visit.

Does BMP to PNG upload your BMP file to a server?

No. BMP to PNG processes your BMP file inside your browser, so it never reaches a DocTools server. That also means the tool keeps working if your connection drops mid-task.

Is there a file size limit?

The practical ceiling is your device's available memory rather than a server quota. Files up to roughly 100 MB work comfortably on a typical laptop in BMP to PNG.

Do I need to install anything to use BMP to PNG?

No installation is needed. BMP to PNG runs in Chrome, Edge, Firefox and Safari, on desktop and on mobile, with no extension or plugin.

Will BMP to PNG keep the original quality?

BMP to PNG preserves the source content faithfully where PNG supports it. Where the two formats differ, the tool favours visual fidelity over the smallest possible output.

What happens to your BMP file when I close the tab?

It is discarded. BMP to PNG keeps everything in temporary browser memory, so closing the tab removes every trace of the session.

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Last updated: 2026-09-07