Turn BMP images into PNG in your browser — a lossless, far smaller PNG from a BMP. Bulk-convert 1000+ files with no uploads.
Converting BMP to PNG gives you a lossless, far smaller PNG from a BMP.
Shrink44 decodes the BMP and re-encodes PNG entirely in your browser, with quality control and bulk support — your files never leave your device.
Compress your file in under a minute — 100% in your browser.
Pick the BMP → PNG route on Shrink44.
Add one or many.
Choose quality and optional resize.
Shrink44 outputs PNG locally.
Save individually or as a ZIP.
Designed for fast, private, no-signup file size reduction.
Clean one-click conversion to PNG.
1000+ files into one ZIP.
Cap dimensions while converting.
Tune the output where applicable.
Local conversion, no uploads.
No signup, no watermark.
Open Shrink44's Convert tab, pick BMP → PNG, drop your files, and click Convert.
Yes — completely free, no signup, with bulk support.
No, conversion happens entirely in your browser.
BMP files are static, so the full image converts to PNG.
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BulkProcess 1000+ files at once.
ConvertPNG↔JPG, JPG↔WebP and more.
Free forever. 100% private. No signup. Files never leave your device.
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