Lark BMP to JPG

Convert BMP images to JPG and reduce file sizes by 90% or more — no upload, no limits, no signup. BMP files are uncompressed and unnecessarily huge. A 10MB BMP screenshot becomes a 200KB JPG with no visible quality difference. Perfect for sharing, emailing, or uploading images saved by older Windows apps. Everything processes in your browser — your files never leave your device.

How much smaller will the JPG be?

Typically 10-50x smaller. A 10MB BMP becomes 200KB-1MB as JPG at quality 90. BMP stores raw uncompressed pixels, while JPG uses efficient lossy compression. The size reduction is dramatic.

Why not convert to PNG instead?

JPG produces much smaller files than PNG (typically 5-10x smaller). Choose JPG for photographs and general images. Choose BMP to PNG if you need lossless quality or transparency support.

Is there quality loss?

JPG is lossy, but at quality 90, the difference from the original BMP is virtually invisible. Since BMP is uncompressed, you're starting with maximum quality — even at JPG quality 80, results look excellent.

Are my files uploaded anywhere?

No. Everything runs in your browser using advanced browser technology. Your BMP files are converted locally on your device — nothing is sent to any server.