JPG to PNG - Free Online Converter

Free JPG to PNG converter. Convert JPG to PNG (lossless, supports transparency) locally in your browser. 100% local, no server upload.

About 图片工具

Convert JPG to PNG locally — lossless, no upload. This tool runs entirely in your browser locally — no file upload, your privacy is protected, and speed is unaffected by network.

FAQ

Will my files be uploaded?

No. All processing happens locally in your browser; files never leave your device.

Which formats / scenarios are supported?

jpg to png, convert jpg to png, online jpg to png, local jpg to png, jpeg to png and more can be done on this page.

Do I need an internet connection?

After the page loads, conversion/computation runs locally and works offline (except features relying on external fonts/libraries).