🔒 100% Browser-Based · No Uploads

JPG to PNG Converter

Convert JPG to PNG. Lossless Quality, Zero Uploads.

Transform your JPEG images into high-quality PNG files with transparency support — all processed locally in your browser.

Drag & Drop Files Here

or click to browse from your device

Accepted: jpg, jpeg

Tool Options

Need to convert a JPG to PNG for transparency support, lossless editing, or print workflows? Our converter does it instantly in your browser.

The Canvas API handles the conversion locally — your images stay on your device. No cloud processing, no waiting in queues, no daily limits. Batch process up to 10 images at once.

Why Convert JPG to PNG?

🎨

Lossless Editing Without Degradation

Every time you edit and re-save a JPG, it loses quality due to re-compression. Converting to PNG first gives you a lossless format for editing — crop, resize, and adjust without generation loss.

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Add Transparency Support

PNG supports alpha transparency, which JPG cannot. Convert your JPG to PNG as the first step before removing backgrounds or adding transparent overlays in your design tool.

🖨️

Better for Print & Design Workflows

PNG's lossless compression is preferred for design mockups, logos on photos, and print production where every pixel matters. No compression artifacts, no color banding.

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Total Privacy Guaranteed

Your images never touch our servers. The conversion happens entirely in your browser's Canvas API. Close the tab and there's zero trace of your files.

Common Use Cases

Built for professionals who need speed, privacy, and quality.

  • Designers preparing JPG photos for transparent-background composites
  • Developers converting screenshots to PNG for pixel-perfect documentation
  • Print professionals needing lossless format for production workflows
  • Content creators preparing images for overlay and compositing work
  • Archivists converting JPEG photos to lossless format for preservation

Why use FastCompressor Desktop for jpg to png converter?

Online tools are great for quick, single-image edits. But when you need to process hundreds of files or maintain strict privacy, native software is the only way to go.

Feature
Desktop App
Online Tools
Upload Required
Internet Required
Batch Compression
Unlimited
Usually capped
Folder Support
Privacy
100% Local
Uploaded to servers
Large Files
No limits
Strict limits
Download for Windows

How to Convert JPG to PNG

1

Upload Your JPGs

Drag and drop your JPEG files into the converter or click to browse. Supports batch upload of up to 10 files.

2

Convert Instantly

Hit the Process button. The Canvas API converts your JPGs to high-quality PNGs in milliseconds.

3

Download PNGs

Download your lossless PNG files individually or all at once with a single click.

Frequently Asked Questions

Converting JPG to PNG preserves the current quality in a lossless format — it won't add detail that was already lost during JPG compression, but it prevents any further quality loss during future edits and saves.
Yes, typically 2-5x larger. PNG uses lossless compression, which preserves every pixel exactly. This is the tradeoff for gaining lossless quality and transparency support.
The converted PNG won't have transparency automatically — it will have the same solid background as the original JPG. But now that it's in PNG format, you can use any image editor to remove the background and leverage the alpha channel.
No. Everything happens in your browser using the HTML5 Canvas API. Your images are never uploaded anywhere. We physically cannot see your files.

Ready to convert your JPGs?

Drop your files above for instant, private conversion — or get the Pro app for unlimited batch processing.

Download for WindowsSee Pricing
JPG to PNG Converter Online Free — Convert JPEG to PNG Instantly