TontonTools

JPG to PNG

Convert JPG to PNG — lossless format for editing and pipelines that require it.

100% Free No signup Privacy-friendly Image Tools
Updated Sep 2026

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How to use JPG to PNG

  1. Upload the JPG.
  2. Click convert and download the PNG.
  3. Edit freely from now on — PNG re-saves are lossless.
  4. Don't expect quality recovery — existing JPG artifacts carry over exactly.

What is JPG to PNG?

A JPG to PNG converter re-wraps a JPG's pixels in the lossless PNG format. The honest physics: it cannot restore detail JPG compression already discarded — the image looks identical, just stored losslessly from here on. What it buys is a format that survives editing and re-saving without further loss, supports transparency you may add, and satisfies PNG-only pipelines.

Expect the file to grow — PNG stores photographic pixels exactly, so a 500 KB JPG often becomes a 2–4 MB PNG. That's the price of stopping generational decay.

About the JPG to PNG

Upload your JPG, convert, download the PNG.

The real reasons for this direction: an editing workflow ahead (every JPG re-save loses quality; converting to PNG first means edits and saves stop costing anything), transparency work (you're about to cut out the background — the result needs a format that can hold alpha, which JPG can't), and hard requirements (print shops, app stores, document systems and some CMSs that accept only PNG). Also the practical case: screenshots or graphics that were wrongly saved as JPG and will be edited onward.

What NOT to expect: quality recovery (JPG artifacts convert faithfully — a blocky JPG becomes a blocky PNG) or web optimization (for web delivery, this direction usually makes files heavier; that's WebP's job). Files are processed for the conversion and returned — not stored.

Frequently Asked Questions

No — lost is lost. JPG artifacts convert byte-faithfully into the PNG. What you gain is that NOTHING FURTHER is lost through subsequent edits and saves.
PNG stores photographic pixels losslessly — 4–8× the JPG size is normal. You're trading disk/bandwidth for edit-safety and format capability, not getting a better-looking image.
Not automatically — the JPG had none to convert. The PNG CAN now hold transparency, which matters when your next step is background removal or overlay work.
Three cases: before multi-step editing (stop generational loss), before transparency work, and when a system only accepts PNG. For plain viewing or web delivery, keeping the JPG is fine.
WebP, generally — it does PNG's job (lossless, alpha) at ~25-35% smaller, with universal modern-browser support. PNG remains the compatibility and editing standard.

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