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SPCXTools

JPG to PNG Converter

Convert JPG and JPEG images to lossless PNG files — quickly, privately and in batches.

Runs locally — files never leave your device

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How to use JPG to PNG Converter

  1. 1Click Choose files or drop your JPG/JPEG images onto the page.
  2. 2Each image is converted to PNG right away; the list shows the original and new file sizes.
  3. 3Download the PNG files individually, or click Download all (ZIP) for a batch.

Convert JPG to PNG without uploading

JPG (also written JPEG) is the most common photo format, but it uses lossy compression: each time a JPG is edited and saved, a little more detail is lost. PNG is lossless — what you save is exactly what you get back. This JPG to PNG converter turns your images into PNG files in one step, right in your browser, so you can edit, archive or upload them in the format you need.

When PNG is the better choice

Editing. If you will crop, annotate, retouch or combine an image several times, work on a PNG copy to avoid stacking up compression artefacts.

Design and print workflows. Many templates, mock-up tools, icon generators and print-on-demand services ask for PNG files.

Adding transparency. Converting to PNG gives you a format that supports a transparent background, ready for an image editor to cut out the subject.

Screenshots and graphics saved as JPG by mistake. Converting stops further quality loss, although existing artefacts remain.

JPG vs. PNG at a glance

JPG PNG
Compression Lossy Lossless
Best for Photographs Graphics, text, screenshots
Transparency No Yes
File size for photos Small Large
Quality after re-saving Degrades Unchanged

Good to know

The converter keeps the full original resolution and automatically corrects rotation from the photo's EXIF orientation. Camera metadata (EXIF), including GPS location, is not copied into the PNG — handy if you want to share photos without revealing where they were taken.

Need smaller files instead? Use PNG to JPG or Compress Image. For other formats, try the Image Converter.

Frequently asked questions

Why convert JPG to PNG?
PNG is lossless, so the image won't lose any more detail when you edit and save it repeatedly. Many design tools, icon generators, print shops and sites that require PNG uploads expect this format. PNG is also the right starting point if you plan to add transparency in an image editor.
Will converting to PNG improve the image quality?
No. Converting can't restore detail that JPG compression has already removed. The PNG will look identical to the JPG — it just won't degrade further when edited.
Why is the PNG file larger than the JPG?
PNG stores every pixel without lossy compression, which is much less efficient for photographs. A PNG of a photo is commonly 3–10 times larger than the JPG. That is expected.
Does the PNG have a transparent background?
The PNG supports transparency, but a JPG has none to carry over, so the background stays as it is in the photo. To remove a background you need an image editor or a background removal tool.
Are my photos uploaded?
No. Conversion happens entirely in your browser, and your photos never leave your device.

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