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Free JPG to PNG Converter

Convert JPEG images to PNG format instantly — no upload, no account, no limits.

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Click to select or drag & drop your JPG files here

JPG, JPEG supported · Multiple files allowed · No file size limit
1

Select image

Click or drag & drop your image. Your file never leaves your device.

2

Convert instantly

Your browser converts the image locally using the Canvas API — no upload needed.

3

Download result

Your converted image downloads immediately. Free, instant, no account.

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When Should You Use PNG Instead of JPG?

PNG (Portable Network Graphics) is a lossless format, meaning no image quality is lost during compression. It supports transparency (alpha channel), making it ideal for logos, icons, screenshots and any image where sharp edges and text need to remain crisp. JPG (JPEG) is a lossy format optimized for photographs — it produces smaller file sizes but degrades quality slightly with each save.

Convert JPG to PNG when you need to preserve maximum quality, add transparency, or use the image in graphic design software. Note that PNG files are typically larger than JPG — if file size matters more than quality, consider keeping the JPG format.

Frequently Asked Questions

Yes, completely free. No subscription, no account required, and no file size limits. All tools on OneConvert are free forever.
No. The conversion happens entirely in your browser using JavaScript and the HTML5 Canvas API. Your images are never sent to any server — they stay on your device at all times.
Yes, in most cases. PNG uses lossless compression which preserves every pixel — this results in a larger file size than JPG. However, the PNG will have no quality loss and will support transparency.
Yes! Select or drag multiple JPG files and all will be converted to PNG. Each converted file will be downloaded individually.
No — converting from JPG to PNG does not recover quality that was lost during JPG compression. PNG preserves what's there without further loss, but cannot reverse previous compression artifacts.