Convert JPEG images to PNG format for transparency support, lossless quality and sharp graphics. LessMB processes the conversion locally in your browser.
ファイルをここにドロップ、または
JPG · PNG · WebP · GIF · AVIF · SVG
PNG supports transparency and lossless compression, making it ideal for logos, icons, screenshots and graphics that need sharp edges or transparent backgrounds.
Your JPEG file is decoded and re-encoded as PNG entirely in your browser. No server upload is needed, keeping private photos on your device.
PNG is lossless, so converting from JPG to PNG preserves the current pixel data without adding further compression artifacts.
Convert JPG logos to PNG for transparent backgrounds on websites and presentations.
Logos and iconsTurn JPEG screenshots into PNG for sharper text and UI elements.
ScreenshotsPrepare images for design tools that work better with PNG format.
Design assetsこのツール、対応ワークフロー、ローカル処理についてのよくある質問です。
Yes. LessMB converts JPG to PNG for free in your browser without requiring an account.
PNG is lossless, so it preserves existing pixels. However, JPG artifacts already present will remain. The benefit is transparency support and no further quality loss.
No. Conversion runs locally in your browser session.