convt

Convert JPEG to PNG Online Free

Convert JPEG to PNG instantly in your browser. No uploads needed - your files stay private on your device.

drag & drop files here

or click to browse

images, videos, audio, documents - all processed locally

Why convert JPEG to PNG?

  • ✓PNG may offer better features for your specific use case
  • ✓Convert for compatibility with specific software or platforms
  • ✓Optimize file size or quality based on your needs
  • ✓Prepare images for different output formats or workflows

How to convert JPEG to PNG

1

Upload your file

Drag and drop your JPEG file onto the converter, or click to browse your files.

2

Select PNG as output

Choose PNG from the format dropdown. The converter will automatically detect your file type.

3

Convert instantly

Your file is processed entirely in your browser using WebAssembly. No upload needed.

4

Download your file

Click the download button to save your converted PNG file.

About JPEG format

JPEG (Joint Photographic Experts Group) is identical to JPG - the different extension is simply a historical artifact from early file system limitations. Both formats use the same compression algorithm and produce identical results. JPEG remains the standard for digital photography and web images due to its excellent compression and universal support.

Pros

  • +Identical to JPG with universal support
  • +Efficient compression for photographs
  • +Widely recognized file extension

Cons

  • -Same limitations as JPG (lossy, no transparency)
  • -Some older systems prefer .jpg extension
  • -Quality loss with repeated editing

About PNG format

PNG is a lossless image format that supports transparency, making it ideal for web graphics, logos, and images requiring crisp edges. Developed as a patent-free alternative to GIF, PNG uses efficient compression while preserving every pixel of the original image. It's the go-to format for screenshots, graphics with text, and images where quality cannot be compromised.

Pros

  • +Lossless compression preserves image quality
  • +Full transparency support with alpha channel
  • +Excellent for graphics with sharp edges and text

Cons

  • -Larger file sizes than lossy formats like JPEG
  • -Not ideal for photographs
  • -No animation support (use APNG or GIF instead)

Frequently asked questions

Is it safe to convert JPEG to PNG online?↓
Yes, Convt processes your files entirely in your browser using WebAssembly. Your files never leave your device - no data is uploaded to any server. This makes it completely private and secure.
How long does JPEG to PNG conversion take?↓
Conversion is typically instant for small to medium files. Larger files may take a few seconds depending on your device's processing power. Since everything runs locally, speed depends on your hardware rather than internet connection.
Is there a file size limit for conversion?↓
There's no artificial file size limit. However, very large files (over 500MB for video, 100MB for images) may strain your browser's memory. For best results, ensure you have enough available RAM.
Do I need to install any software?↓
No installation required. Convt runs entirely in your web browser. It works on any modern browser including Chrome, Firefox, Safari, and Edge on desktop and mobile devices.
Can I convert multiple files at once?↓
Yes, you can add multiple files to the converter and process them all. Each file will be converted individually and you can download them separately or together.
Will converting JPEG to PNG reduce image quality?↓
Converting to PNG uses lossless compression, so no quality is lost. However, the file size may be larger than the original.

Related conversions

PNG→JPEGreverseJPEG→JPGJPEG→WEBPJPEG→GIFJPG→PNGWEBP→PNG