70 toolsAbout Image Format Converter
Convert images between PNG, JPEG, WebP, and BMP formats instantly in your browser. No upload needed. Convert PNG to JPG to reduce file size, or JPG to PNG to preserve transparency. Uses the Canvas API for client-side conversion.
Different use cases call for different formats. JPEG is the best choice for photographs and images with gradients — it produces small files and is universally supported. PNG is ideal when you need transparency or when pixel accuracy matters, such as logos, icons, and screenshots. WebP is the modern web standard, combining small file sizes with support for transparency.
Common conversions: PNG to JPEG to reduce file size for sharing; JPEG to PNG to add a transparent background; any format to WebP for web performance; WebP to JPEG or PNG for compatibility with older software.
Everything runs locally in your browser. No server involved.
How to Use Image Format Converter
Upload your image (PNG, JPEG, WebP, or BMP).
Select the target format: JPEG, PNG, or WebP.
For JPEG/WebP output, adjust the quality slider to balance size and quality.
Download the converted image instantly.
Frequently Asked Questions
Can I convert PNG to JPEG?
Yes — upload your PNG and select JPEG as the output format. Note that JPEG does not support transparency; any transparent areas in your PNG will become white.
Can I convert JPEG to PNG?
Yes — select PNG as the output format. The converted file will be larger than the JPEG since PNG is lossless, but it can hold transparency.
What is WebP and why use it?
WebP is a modern image format developed by Google. It produces files 25–35% smaller than JPEG and PNG at comparable visual quality, making it the best choice for web use. All modern browsers support WebP.
Does the conversion preserve transparency?
Transparency (alpha channel) is preserved when converting to PNG or WebP. Converting to JPEG replaces transparent areas with a white background because JPEG has no alpha channel.
Is there a file size limit?
No server-side limit — processing happens entirely in your browser. Very large images (above 20 megapixels) may be slow depending on your device.
Why is my converted PNG larger than the original JPEG?
JPEG uses lossy compression to achieve small file sizes. PNG is lossless and stores every pixel exactly, so PNG files are inherently larger than JPEG at the same dimensions. If file size matters, keep using JPEG or switch to WebP.
Can I convert a screenshot to WebP?
Yes — screenshots are usually PNG. Upload the PNG, select WebP as output, and download the result. WebP handles screenshots well and produces much smaller files.