Free JPG to PNG Converter

Convert JPG photos to lossless PNG right in your browser. No upload, no sign-up, no watermark — your files never leave your device.

How to Convert JPG to PNG in Your Browser

01

Drop in your JPG image

Drag and drop a .jpg or .jpeg file, or click to browse. Files up to 25MB and 16,384px per side are supported.

02

The conversion runs locally

Your browser decodes the JPG and re-encodes it as lossless PNG using the Canvas API — no server, no upload, no waiting in a queue.

03

Download your PNG

Save the converted PNG with one click. It's an exact, lossless copy of the decoded JPG, ready for editing.

A JPG to PNG Converter That Keeps Every Pixel

Converting JPG to PNG is about locking in quality before you edit. Here's how this converter handles it.

Lossless from here on

PNG never degrades, no matter how many times you save it. Converting a JPG to PNG stops the generational quality loss that comes from repeated JPG re-saves.

An exact pixel copy

The PNG contains precisely the pixels your browser decodes from the JPG — nothing is smoothed, sharpened, or re-compressed along the way.

Editing-ready output

PNG is the safest working format for editors, annotation tools, and design apps. Edit and re-save as often as you like without stacking up compression artifacts.

No upload — 100% private

The conversion happens entirely in your browser tab. Personal photos are never sent to a server, so there's nothing to leak or retain.

When You Need to Convert JPG to PNG

JPG is perfect for sharing photos, but the moment you start editing or need exact pixels, PNG is the better container.

Prepare photos for editing

Editing a JPG and re-saving it as JPG loses quality on every save. Convert to PNG first and your edits stay clean through any number of revisions.

Annotate and mark up images

Arrows, text labels, and highlights have crisp edges that JPG compression smears. Converting to PNG before annotating keeps your markup sharp.

Meet PNG-only upload requirements

Some portals, printing services, and asset pipelines only accept PNG files. A quick JPG to PNG conversion satisfies the requirement without any quality risk.

Build assets for docs and slides

PNG behaves predictably when pasted, resized, and re-exported in office tools — no progressive fuzziness after a document goes through a few rounds of edits.

Convert JPG to PNG Without Uploading Your Photos

Personal photos are the last thing you should be uploading to an anonymous converter site. Local conversion delivers the same PNG without the exposure.

In-browser with SupaTools

  • Converts instantly — no upload and download round trip
  • Your photos never leave your device
  • No queues, daily limits, or file-count caps
  • Free with no watermarks or paywalled features

Typical cloud converters

  • Upload wait, server queue, then a download wait
  • Photos sit on someone else's server with unclear retention
  • Free tiers capped by file size, count, or speed
  • Watermarks or paywalls on larger files

Pro Tips for Converting JPG to PNG

Convert before you edit, not after

The point of PNG is to stop quality loss early. Convert the JPG first, then do all your editing on the PNG copy.

Don't expect artifacts to disappear

PNG preserves the image exactly as it is — including any JPG compression artifacts already baked in. It prevents future damage; it can't undo past damage.

Expect a bigger file

Lossless PNG encoding of a photo is typically 5–10× larger than the JPG. That's the cost of never losing another pixel.

JPG to PNG — Frequently Asked Questions

Convert Your JPG Photos to PNG — Free Forever

No upload, no sign-up, no watermark. Drop in a JPG and get a lossless, editing-ready PNG in seconds.