ImgConvert
Private — images never leave your device

JPG to PNG

Convert JPG images to PNG in your browser. Lossless, private, and free — nothing is uploaded.

YOUR WORKSPACE

Let’s make it the right format.

Runs on your device

Output: PNG

✓ No uploads✓ No sign-up✓ Free to use

How it works

  1. 01Choose your images. Drag, browse, or paste — one file or a whole batch.
  2. 02Make it yours. Choose a format and adjust the available settings.
  3. 03Save your PNG files. Convert on your device, then download when ready.

About converting JPG to PNG

This free JPG to PNG converter runs entirely in your browser. Drop one or more JPG files, adjust quality if available, and download PNG copies — your images never leave this device.

JPG (JPEG) is commonly used for photos and social media posts. PNG is a better fit when you need logos or icons. Converting locally means no upload queues, no account, and no third party can see your files.

When to use PNG instead of JPG

Switch from JPG to PNG when the destination app, website, or workflow prefers PNG, or when PNG gives you a clearer quality or size trade-off for your use case.

  • PNG: Lossless quality
  • PNG: Full transparency support
  • PNG: Sharp edges for logos, UI, and screenshots
  • JPG limitation: No transparency (alpha channel)
  • JPG limitation: Lossy compression — quality drops each time you re-save

How to convert JPG to PNG privately

Upload is never required. Everything uses your browser’s image decoder and canvas encoder.

  • Choose JPG files (or drag them onto the drop zone).
  • Set quality if the PNG format supports lossy encoding.
  • Click Convert — processing happens on your device.
  • Download each result, or download all when converting a batch.

JPG vs PNG: quick comparison

JPG (JPEG) strengths include small file size for photos and universal compatibility across apps and devices. PNG stands out for lossless quality and full transparency support.

If you still need JPG later, keep a master copy. Lossy formats like JPG and some WebP exports cannot recover detail that was discarded during encoding.

Tips for better results

A few practical habits help you keep quality high and files small.

  • Start from the highest-quality source you have — never convert from a heavily compressed preview if you can avoid it.
  • For photos, try WebP or JPG around 80–90% quality before going lower.
  • For logos and screenshots, prefer PNG or lossless WebP so text stays sharp.
  • Resize before compressing if you only need a small display size — fewer pixels usually beat aggressive quality cuts.

Related tools

Guides

Learn format trade-offs, compression workflows, and privacy-friendly conversion tips.

Browse image guides →

FAQ

Is JPG to PNG conversion lossless?
PNG is lossless, so we do not add extra compression. Quality cannot go above the original JPG, because JPG is already lossy.
Do you upload my photos?
Everything runs in your browser with the Canvas API. Your files are never uploaded to a server.
Does PNG support transparency?
Yes. JPG has no alpha channel, so the PNG will be fully opaque unless you start from a transparent format.
Is JPG to PNG free?
Yes. ImgConvert’s JPG to PNG tool is free to use in your browser with no signup.
Will converting JPG to PNG reduce quality?
PNG encoding is lossless, but it cannot restore detail already lost in a compressed JPG.
Can I convert multiple images at once?
Yes. Add several files, convert them, and download individually or all together.