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JPG to PNG Converter

Convert a JPG to a lossless PNG copy. It will not look sharper, and it will be larger.

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Converting a JPG to PNG changes the container, not the picture. The PNG is lossless from this point on, but anything the JPG already threw away stays gone, so the result will not look sharper, and it will usually be several times larger. It is still the right move when an editor or upload form insists on PNG, or when you want a working copy that is not recompressed on every save.

Accepts JPG · up to 20 MB each

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Overview

About JPG to PNG

What you get, and what you don't

The pixels decoded from your JPG are written into a PNG unchanged. Blockiness, blur and colour banding from the original compression are carried over exactly as they were. The PNG also stays fully opaque: a JPG has no transparency, so this tool cannot produce a cut-out background. Removing a background needs an editor with a selection or background-removal feature, which this tool does not provide.

Why the file gets so large

PNG stores every pixel without loss, including the tiny noise patterns JPG compression leaves behind. That is expensive. Measured with this tool on two images we generated for the test:

Test image (generated for this test)JPGPNG
1200 × 800, gradients and noise392 KB2.24 MB
1000 × 600, gradients and noise244 KB1.38 MB

Both landed at about 5.7 times the JPG size. These figures come from images we generated and converted locally with this tool. They are examples only: not a benchmark, not a typical customer result and not a guaranteed ratio. Treat it as an illustration of the direction.

When the conversion is worth doing

  • You will edit the image in an app that saves PNG. From this point on, repeated saves no longer add new JPG compression.
  • An upload form, print template or tool accepts PNG only.
  • You want a stable working copy of a JPG you are about to annotate, crop or composite.

When it isn't

If your goal is higher quality, a PNG made from a JPG will not give you that. If your goal is a smaller file, this goes the wrong way. For photos on a web page, JPG or WebP is normally the better choice. The JPG vs PNG vs WebP guide explains which format suits which kind of image.

Orientation and metadata

Many phone photos are stored sideways with an EXIF orientation flag. The conversion applies that rotation and does not write the flag, so the PNG shows the photo upright and its width and height may be swapped compared with the stored JPG size. In our tests, a JPG stored as 1000 × 600 with an orientation flag came out as a 600 × 1000 PNG, and all eight EXIF orientation values came out upright. The EXIF block (camera details, and the GPS position in our test file) and the embedded colour profile were not present in the PNG. Also, no colour conversion is applied before the profile is dropped, so an image in a wide-gamut space such as Adobe RGB or Display P3 can look different afterwards.

Compatibility

Supported Formats

Accepts JPG and JPEG (.jpg, .jpeg). Output is PNG. Limits: 20 MB per file, 12,000 px per side and 40 megapixels.

Guide

How to Use JPG to PNG

  1. Choose a JPG or JPEG file (up to 20 MB).
  2. Click "Convert JPG to PNG".
  3. Download the PNG. Expect it to be several times larger than the original JPG.

Highlights

Features

  • No new compression loss The decoded pixels are written to PNG without further lossy compression. Detail the JPG already lost is not recovered.
  • EXIF rotation applied Sideways-stored phone photos come out upright, with the orientation flag not carried over.

Applications

Use Cases

  • Making a working copy to edit in software that saves PNG, so further saves do not add JPG artifacts
  • Meeting an upload or template requirement that names PNG specifically
  • Stopping a JPG from being recompressed each time it passes through your workflow

Good to Know

Limitations

The PNG cannot be sharper or cleaner than the JPG it came from. It will be fully opaque, because a JPG has no transparency to preserve. The file is usually several times larger. EXIF data and embedded colour profiles are not written to the PNG, and no colour conversion is applied before the profile is dropped, so an image in a wide-gamut space such as Adobe RGB or Display P3 can look different afterwards.

Files are processed on our servers and are not shared with third parties. Files are deleted as soon as processing or download finishes. Any leftover temporary file is removed automatically by our cleanup process within the configured retention period (60 minutes). See our Privacy Policy for full details.

Support

Frequently Asked Questions

Does JPG to PNG make the image sharper?

No. PNG keeps the pixels exactly as the JPG has them, including blur and compression blocks. A PNG copy stops further loss; it does not undo the loss already there.

Why did the file get so much larger?

PNG is lossless, so it stores all the pixel noise a JPG compressed away. In our local tests, a generated 392 KB JPG became a 2.24 MB PNG. A larger file is normal here.

If I save the PNG back to JPG later, do I lose quality again?

Yes. Saving as JPG is a new lossy compression pass. The PNG protects you only while the image stays in lossless formats.

Can I get a transparent PNG from a JPG?

No. A JPG has no transparent pixels, so the PNG is fully opaque. Cutting out a background needs an image editor.

Does the PNG keep my photo location data?

In our test, the EXIF block and embedded colour profile from a JPG were not present in the PNG output. If you need that data for your workflow, keep the original JPG.

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