Image Converter
Change any image to the format you need. Convert to WebP for web performance, to JPG for photographs, or keep PNG for transparency. Runs entirely in your browser with no uploads.
What this means
Formats trade off size and features: PNG keeps transparency and perfect quality but is large; JPG compresses photos well but has no transparency; WebP offers small sizes with modern quality.
How we calculate it
Formula
The canvas API decodes the source and re-encodes to the target MIME type.Worked example
Convert a PNG screenshot to WebP for a website.
- 1Upload your image.
- 2Choose the target format.
- 3Download the converted file.
Important assumptions
- Converting PNG with transparency to JPG fills transparent areas with black.
Frequently asked questions
PNG or JPG for my image?
Use PNG for logos, screenshots and anything needing transparency; JPG for photos; WebP for the smallest files on the web.
Why does my JPG background turn black?
JPG has no alpha channel, so transparent pixels are flattened to a solid color.
Guide
Image Compressor Guide: Shrink Files Without Visible Loss
Fast pages need small images. Here is how compression works and how to find the quality sweet spot.
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