Image Converter · Complete guide
How to use the Image Converter
Switch image formats in your browser. Keep transparency, tune quality and shrink file size — no upload required.
What does the Image Converter do?
Switch image formats in your browser. Keep transparency, tune quality and shrink file size — no upload required.
It's part of the MagicBG toolbox. The on-device tools process your image in your browser and do not upload it. AI features such as photo analysis and listing copy use a remote AI provider; see our AI policy.
This tool runs in your browser.
Why use this tool?
- Cut file size before uploading to a website
- Meet marketplace format requirements
- Avoid dodgy online converters that keep your files
How it works
- 1
Upload a PNG, JPG or WebP file.
- 2
Pick your output format and adjust the quality slider.
- 3
Preview the result and download the converted file.
Features
- Supports PNG, JPG and WebP
- Preserves transparency when possible
- Adjustable quality for lossy formats
- Client-side, private by design
Best use cases
- Preparing product photos for Shopify or Amazon
- Converting screenshots to WebP for faster page loads
- Turning WebP into JPG for platforms that reject WebP
Pro tips for the best results
- Use WebP for the smallest web file size at similar quality.
- Only use JPG when you don't need transparency.
- Keep a PNG master if you'll re-edit the image later.
Frequently asked questions
Do I lose quality when I convert?
PNG → WebP is virtually lossless at 90%+ quality. JPG is lossy by nature — pick 75–85% for a good size/quality balance.
Does it work offline?
After the first page load, yes — the converter runs entirely in your browser.
Ready to try the image converter?
Free, private, no signup. This tool runs in your browser and does not upload your image.
Open the image converterExplore every utility in the free tools directory.