Image Format Converter
Convert an image between PNG, JPEG, and WEBP — free, instant, right in your browser.
- Click the upload box (or drag & drop) to choose an image.
- Pick the output format — PNG, JPEG, or WEBP.
- For JPEG or WEBP, adjust the quality slider to balance file size and image quality.
- Click "Convert" to see a side-by-side preview with both file sizes.
- Click "Download" to save the converted image to your device.
About This Image Format Converter
This free image format converter changes a picture between PNG, JPEG, and WEBP directly in your browser — useful when a website only accepts a specific format, when you want a smaller WEBP or JPEG file instead of a large PNG, or when you need a lossless PNG for editing. A quality slider lets you fine-tune the trade-off between file size and image sharpness for JPEG and WEBP.
Conversion happens entirely through the HTML5 Canvas API on your own device — your image is never uploaded anywhere. You can compare the original and converted file sizes side by side before downloading.
Frequently Asked Questions
Is my image uploaded anywhere?
No — conversion happens entirely in your browser using the HTML5 Canvas API. Your image is never sent to a server.
Which formats can I convert to?
You can convert any image your browser can display (PNG, JPG, WEBP, GIF, BMP and more) into PNG, JPEG, or WEBP output.
Why is the quality slider disabled for PNG?
PNG is a lossless format, so there's no quality setting to adjust — it always preserves full image quality, which is why PNG files are usually larger than JPEG or WEBP.
Will converting to JPEG lose transparency?
Yes — JPEG doesn't support transparency, so any transparent areas are automatically filled with white during conversion. Use PNG or WEBP to keep transparency.
Which format gives the smallest file size?
WEBP usually produces the smallest file size at a given quality level, followed by JPEG. PNG is best when you need lossless quality or transparency.
📖 Read the Full Guide: Convert Images Between PNG, JPEG & WEBP