PNG to JPG Converter

PNG is a wonderful format for graphics — and a terrible one for photographs, where its lossless storage produces files five to ten times heavier than an equivalent JPG. Converting photo-style PNGs (screenshots exported as PNG, images from design tools, scans) to JPG is one of the easiest speed wins on the web. This converter does it properly: because JPG has no transparency, you choose the background colour that transparent areas should land on (white by default), set the quality, and download a compact JPG that displays everywhere. Logos and line art can stay PNG — this tool is for the many images that never needed to be.

Quick Answer: Upload a PNG, choose the background colour for any transparent areas, set quality, and download a much smaller JPG.

Free Online Tool

Photographic PNGs, meet your smaller self.

Choose a PNG image

Background for transparency

Quality: 85%

—PNG size

—JPG size

—Saved

JPG preview

How to Use the PNG to JPG Converter

Upload your PNG image.
If it has transparency, pick the background colour it should be flattened onto — white suits most uses.
Set the JPG quality; 85 is a good default for photos.
Preview the result and check the new file size.
Download the JPG.

Key Features

One-step PNG to JPG conversion with quality control.
Background colour picker for flattening transparency cleanly.
Side-by-side size comparison so the saving is obvious.
Handles screenshots, exported graphics and photos alike.
Conversion happens on your device — no uploads, ever.

Best Practices and Tips

Check screenshots for text before converting: JPG softens sharp text edges, so documentation screenshots are often better left as PNG.
Transparent logos converted on white look wrong on dark websites — match the background colour to where the JPG will actually sit.
A PNG that is mostly a photograph is the prime candidate: expect savings of 70-90%.
Keep the PNG master for anything you may need to edit or re-export later.
Batch habit: when a design tool exports PNG by default, convert the photo assets as part of your publishing checklist.

Common Mistakes to Avoid

Converting line art and logos with thin lines, which collect JPG artefacts around every edge.
Flattening transparency onto the default white when the destination background is dark or coloured.
Assuming the JPG will be smaller for every image — flat-colour graphics can actually grow; check the size readout.
Re-converting a JPG that was already converted once, compounding quality loss.

Frequently Asked Questions

Why are JPG files so much smaller for photos?

JPG uses lossy compression designed for photographs: it discards subtle colour detail the eye barely notices. PNG stores every pixel exactly, which is wasteful for the millions of gradual tones in a photo. The result: similar-looking images at a fraction of the size.

What happens to transparency?

JPG has no alpha channel, so transparent pixels must be painted onto a background colour during conversion. White is the safe default; if the image will sit on a coloured background, choose that colour here to avoid a visible white box.

Will I lose quality?

Slightly, by design — that is where the savings come from. At quality 85, photographs are visually indistinguishable in normal use. The preview lets you judge before downloading; raise the quality if you spot artefacts around edges or gradients.

When should I NOT convert?

Logos, icons, diagrams and screenshots full of small text: anything with hard edges and flat colour is PNG’s home turf and stays crisp and small there. When in doubt, convert a copy and compare the two sizes and the look.

Is there a limit on image size?

Only your device’s memory. Large camera-era PNGs convert fine, though they may take a second. Nothing is uploaded, so file size never becomes a privacy or bandwidth issue.