JPGをPNGへ
JPGをPNGに変換 — 無料オンラインJPEG to PNG
JPEGからPNGが必要？ブラウザ内で即座にJPGをPNGに変換 — 透明度やロスレス品質が必要な場面に最適。アップロード不要、登録不要。JPGをドロップしてPNGをダウンロード。
Why use this jpg to png tool?
Convert JPG/JPEG to PNG with one click
Lossless output ideal for graphics and screenshots
Batch convert multiple JPGs at once
100% browser-based — fully private
Free, no watermark, no account required
Frequently Asked Questions
How do I convert JPG to PNG?
Drop your JPG onto the converter or click to browse. It is converted to PNG instantly in your browser, then you can download the PNG file. No upload or signup required.
Does JPG to PNG add transparency?
Converting JPG to PNG gives you a lossless format that supports transparency. Note that a flat JPG has no transparency to recover, but the output PNG can be edited to add transparent areas.
Will PNG be larger than JPG?
Usually yes. PNG is lossless, so the file is often larger than JPG. Convert to PNG when you need lossless quality or transparency.
Is JPG to PNG conversion free?
Yes, completely free with no watermark or signup. All processing happens locally in your browser.