Image Format Converter | JPEG PNG WebP

Image Format Converter

Convert images between JPEG, PNG, and WebP formats

The Image Format Converter converts uploaded images between JPEG, PNG, and WebP formats with an adjustable quality slider — processing everything locally in the browser for instant, private conversion.

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Supports JPEG, PNG, WebP, BMP, GIF

Frequently Asked Questions

How do I convert a PNG to WebP online without uploading to a server?

Upload your PNG to the Image Format Converter, select WebP as the target format, adjust the quality slider (85% is a good default), and click Convert Image. The conversion runs entirely in your browser using the Canvas API, so the file never leaves your device. Download the resulting WebP file when done.

What is the difference between JPEG, PNG, and WebP formats?

JPEG uses lossy compression — ideal for photos where small size matters and transparency is not needed. PNG is lossless and supports transparency, making it best for logos, icons, and screenshots. WebP is Google’s modern format that achieves JPEG-level file sizes with better quality and also supports transparency and lossless encoding.

Will converting PNG to JPEG remove the transparent background?

Yes. JPEG does not support transparency. When you convert a PNG with a transparent background to JPEG, the tool fills transparent areas with white before encoding. If you need to preserve transparency, convert to WebP instead, which supports an alpha channel while still offering strong compression.

Does the quality slider affect PNG output?

No. PNG is a lossless format and the quality slider is hidden when PNG is selected as the target. PNG file size is determined by image content and color depth, not an encoder quality setting. For lossy options with a quality control, choose JPEG or WebP.

What is a limitation of this image converter?

The tool converts to JPEG, PNG, and WebP only. Output formats like AVIF, GIF, TIFF, or SVG are not supported. Additionally, animated GIFs are flattened to a single static frame on conversion. For advanced format support or batch conversion of many files, a dedicated desktop application like ImageMagick or Squoosh CLI may be more suitable.