How to convert an image
- Pick an image (any common format).
- Choose the output format — JPG, PNG or WebP.
- Click Convert & download. Done.
Which format should you use?
- JPG — photos; smallest files, no transparency.
- PNG — logos, screenshots, transparency; larger files.
- WebP — modern web format; small files and transparency.
Benefits
- Converts between PNG, JPG and WebP in one click.
- Runs in your browser, so images are never uploaded.
- WebP output is often much smaller at the same quality.
- Free and unlimited.
Limitations to know
- Converting a photo to PNG can make a much larger file than JPG or WebP.
- Converting from a lossy format does not restore quality that was already lost.
- A few older apps and browsers still handle WebP inconsistently.
Common mistakes to avoid
- Saving photographs as PNG and ending up with needlessly huge files.
- Converting back and forth between lossy formats, which degrades quality each time.
- Losing transparency by converting a PNG to JPG, which has no alpha channel.
Alternatives
To shrink a file without changing format use the Image Compressor; to change dimensions use the Image Resizer.
Last updated: August 2026 · Reviewed by the AI Toolbox editorial team.
Frequently asked questions
Is my image uploaded?
No — conversion happens entirely on your device.
Does PNG to JPG lose transparency?
Yes — JPG has no transparency, so transparent areas become white. Convert to WebP or keep PNG to preserve it.
Is it free?
Yes — free, unlimited, no watermark.