Is my image uploaded to a server?

No! Your image is processed entirely in your browser. It never leaves your device.

Will converting to PNG increase file size?

PNG files are typically larger than JPG because they use lossless compression. However, they preserve all image quality and support transparency.

Can I convert multiple images at once?

Currently, you can convert one image at a time. Batch conversion is coming soon!

JPG to PNG

Free online JPG to PNG converter. Transform your JPEG images to PNG format instantly in your browser. Perfect for adding transparency, preserving quality for graphics, and creating web-ready images.

100% Private (In-Browser)Instant Web Worker SpeedZero Server Upload

JPG to PNG by Privacy-First Toolbox is a 100% free, client-side browser utility. It processes your files locally on your computer or smartphone using HTML5 and Web Workers—zero bytes of your files or data are ever uploaded to any external server.

Drop your file here, or click to browse

Max file size: 50MB. Fast local processing.

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Never leaves your device

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Key Features

Instant conversion in your browser
No file upload - 100% private
Preserves image quality
Supports transparency
Works offline
No registration required

Common Use Cases

Add transparency to images
Create logos and graphics
Prepare images for web design
Convert photos for editing software

How to Use JPG to PNG

Three simple steps to process your files securely in browser.

Select Your File

Drag and drop or browse your local file into the secure tool workspace.

Configure Options

Set quality, output format, or formatting options for your task.

Instant Download

Save your processed output immediately with zero server upload.

Frequently Asked Questions

🔒100% Client-Side: Your files never leave your device.

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