Convert JPEG to PNG — Free
Files convert instantly in your browser — 100% private, any file size, no account needed.
Drop your JPEG file here
or click to browse — any size
Conversion runs entirely in your browser — your file never leaves your device.
How to convert JPEG to PNG
Convert your JPEG images to PNG format quickly and for free with BoltConverter. Our online tool makes it simple to get high-quality PNGs from your JPEGs in just a few clicks.
BoltConverter performs all conversions directly in your browser using WebAssembly. This means your files never leave your device, ensuring complete privacy and security for your images.
Select JPEG File
Click "Choose File" and pick the JPEG image from your device.
Conversion Starts
BoltConverter will automatically convert your JPEG to PNG in your browser.
Download PNG
Once complete, click the "Download" button to save your new PNG file.
Convert Another
You can then choose another JPEG to convert if needed.
Frequently asked questions
Is BoltConverter's JPEG to PNG tool free to use?
Yes, BoltConverter is a completely free online tool. There are no hidden costs or subscriptions.
Do my files get uploaded to a server for conversion?
No, absolutely not. All conversions happen directly in your web browser. Your files never leave your device.
Is there a file size limit for JPEG to PNG conversion?
Since conversions run in your browser, there is no server-side file size limit. Performance depends on your device.
What is the quality of the output PNG file?
BoltConverter aims for high-quality output. Your converted PNG file will maintain good image fidelity.
Can I convert multiple JPEG files to PNG at once?
You can convert multiple files, but you must process them one by one. Select a file, convert it, then select the next.