Step 1: Upload JPG
Upload Image
Drag and drop your image here, or click to select
Supports JPG, PNG, WebP, and more
Preview & Convert
Image preview will appear here
Click "Convert" to process
Format note: PNG supports transparency, but converting an opaque JPG does not create transparent pixels or restore lost detail.
Re-encode a JPEG as PNG without inventing missing detail
JPG to PNG decodes one JPEG in the browser, draws it to Canvas, and exports a PNG at the same dimensions. The new PNG avoids additional JPEG loss on later PNG saves, but it cannot undo artifacts already present in the JPG.
When PNG is the required next format
- •A design or publishing workflow specifically requires a PNG file.
- •You plan to add transparency later in an editor.
- •A screenshot-like image must be saved in a lossless container after starting from JPG.
How to use this tool
- 1.Upload a JPG/JPEG up to 50 MB.
- 2.Review the decoded preview and convert it to PNG.
- 3.Download the result and compare file size and visible artifacts with the original.
Quality, transparency, and size
- The browser Canvas exports image/png at the source width and height.
- Every JPG pixel is opaque, so conversion alone does not create a transparent background.
- PNG lossless compression often produces a larger file for photographic content than the original lossy JPG.
Example: a 1600 × 900 product photo
The PNG remains 1600 × 900 and looks much like the decoded JPG, including existing block artifacts. It may be several times larger. To make the background transparent, run a background-removal or editing step after conversion.
Conversion is not restoration
- Lost JPEG detail, color information, and sharpness cannot be reconstructed.
- A PNG output does not automatically gain transparency.
- Animated content is not created, and very large images can stress browser memory.
Common surprises
- PNG is larger: that is normal for many photos; use JPG or WebP when small photographic files matter.
- Background is still white: conversion changes format, not subject segmentation.
- Upload fails: confirm the file is a decodable JPG/JPEG and under 50 MB.
Continue the workflow
Return to Image tools, or continue with a complementary tool:
Questions about this specific tool
Does PNG improve a JPG image?
No. It prevents another lossy PNG save, but it cannot restore detail already discarded by JPEG compression.
Will the converted PNG be transparent?
No. JPG has no alpha channel, so all decoded pixels are opaque. Transparency requires a separate editing or background-removal step.
Why is the PNG larger?
PNG uses lossless compression, which is often less compact than JPEG for photographs and continuous-tone images.
Where does conversion happen?
The JPG decode and PNG encode run in browser Canvas. Preparing the download uses the site download-result workflow.