What is the best png to jpg converter without losing quality?

Don't use online PNG to JPG converter!

Online PNG to JPG converters are convenient, but uploading your images to a third-party website carries real trade-offs that many people overlook. Once a file leaves your device, you lose direct control over what happens to it — and for anything containing personal, sensitive, or confidential content, that's a risk worth weighing against the minor convenience of skipping a local install. Here are the two factors that matter most:

1. Privacy and Data Security

When you upload an image to an online converter, it's transmitted to and processed on someone else's server — meaning the site's operators have access to that file, even if only temporarily.

Many free conversion sites monetize through ads, analytics trackers, or by retaining uploaded files longer than disclosed, and some have unclear or nonexistent data deletion policies. This matters a lot if your images contain personal photos, screenshots with sensitive text, business documents, or anything under an NDA — local, offline tools never expose the file outside your own machine.

2. Reliability and Ongoing Cost at Scale

Online converters are fine for a one-off single file, but they don't scale well: most impose file size limits, batch limits, or usage caps, and some push you toward a paid tier once you exceed a free quota. They also depend entirely on your internet connection and the site staying online — if the server is slow, down, or discontinued, your workflow breaks. A local command-line or desktop tool (like Any2Pic or even PowerShell/.NET) has no such limits, works offline, converts instantly regardless of file count, and won't disappear or change its terms overnight. The desktop app can easily convert large size .png images to 200kb .jpg without any doubt.