WasmConvert

Batch JPG to PNG Converter

Convert JPG to PNG online for free. 100% secure, fast, and private local file conversion directly in your browser. No software installation required.

Why convert JPG to PNG?

Photographers and designers convert JPG to PNG when a file enters an editing or compositing pipeline. JPG degrades every time it is re-saved, so converting once to a lossless working format stops generation loss before retouching, masking, or text overlays begin. PNG also adds an alpha channel that JPG lacks, which matters when a photo needs a cut-out background, a rounded mask, or a layered composition in tools like Photoshop, GIMP, or Figma. The conversion itself adds no new artifacts.

WasmConvert converts JPG to PNG locally, decoding and re-encoding in your browser without uploading. Because PNG is lossless, the output is a faithful working copy of the JPG — useful as the first step of an editing session. Batch mode prepares a whole folder of JPGs as consistent PNG working files in one pass. No upload limits mean even high-resolution camera exports convert instantly, and since nothing leaves the device, drafts stay private until you decide to share them.

Common use cases

  • Creating a lossless PNG working copy before retouching or heavy editing in image editors.
  • Adding transparency for cut-outs, masks, and layered designs that JPG cannot express.
  • Standardizing a mixed folder of JPGs into consistent PNG masters for archival or printing prep.

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How to convert JPG to PNG (Step-by-step)

1

Select or drop your file

Click "Choose Files" or drag and drop your JPG file directly onto this page.

2

Set target format

Make sure the output format is set to PNG.

3

Local conversion

Click convert. Your file is processed entirely in your browser memory - no data is uploaded to our servers.

4

Save instantly

Once finished, your PNG file is ready to download.

JPG

JPG (or JPEG) is the most widely used image format globally. It uses lossy compression to significantly reduce file size while maintaining acceptable image quality, making it ideal for photographs.

PNG

PNG is a lossless raster image format that supports transparent backgrounds. It is the format of choice for icons, logos, and web graphics where detail and clarity are more important than file size.

Pro tips for JPG to PNG conversion

  • PNG cannot restore JPG's original quality — it only prevents further loss — so edit from the highest-quality JPG you have.
  • If the JPG has a white background you need to remove, convert to PNG first, then use the editor's background-removal tools on the lossless file.
  • PNG files run 5-10x larger than the JPG source; convert only what enters the edit pipeline, and keep JPG for delivery.

JPG to PNG FAQ

Why is the PNG file larger than the original JPG?
PNG uses lossless compression, which preserves every pixel but results in larger files. A 1MB JPG photo might become 3-8MB as PNG. This is the trade-off for gaining features like transparency support.
Can I add transparency after converting JPG to PNG?
Yes. Once converted to PNG, you can use image editing software to remove backgrounds or add transparent areas. JPG cannot store transparency, but PNG can, making it the necessary first step.
Does JPG to PNG improve image quality?
No. Converting JPG to PNG does not restore quality lost during original JPG compression. However, it prevents any further quality degradation since PNG is lossless — no additional compression artifacts will be introduced.
When should I convert JPG to PNG?
Convert when you need transparency support, lossless editing (to prevent further quality loss), or when working with screenshots and graphics that have sharp text and edges.
Is PNG better than JPG for social media?
For photos, JPG is usually fine. For graphics with text, logos, or screenshots, PNG is better because it preserves sharp edges without compression blur. Each platform has its own recommendations.

Other JPG conversions

JPG to WebPJPG to PDFJPG to ICOJPG to GIF

Other conversions to PNG

WebP to PNGAVIF to PNGHEIC to PNGSVG to PNG