image Tool · Free

Free Online Image Format Converter

Convert images between JPG, PNG, and WebP format online free. See the file size difference after conversion instantly. No upload, no sign-up.

🔒100% Private: Your files are processed entirely in your browser and never uploaded to any server.

Frequently Asked Questions

What formats can I convert?
You can convert between JPG, PNG, and WebP — in any direction.
Why convert to WebP?
WebP images are 25-35% smaller than JPG/PNG at the same quality, ideal for websites.
Will I lose quality converting JPG to PNG?
PNG is lossless so converting JPG→PNG won't degrade further, but the file size will increase.
How does JPG handle transparency?
JPG doesn't support transparency. Transparent areas in PNG will be filled with white when converting to JPG.
Is it free?
Yes, completely free with no sign-up required.

About This Image Converter

Convert images between JPG, PNG, and WebP formats instantly in your browser. No sign-up, no file uploads, and no waiting — just fast, private image conversion powered by your browser's Canvas API.

How It Works

Upload your image and select the target format. The tool redraws the image using the Canvas API and exports it in your chosen format. For JPG output, you can adjust the quality level to balance file size and visual quality.

When to Convert Image Formats

  • Convert PNG to JPG to reduce file size for photos
  • Convert JPG to PNG when you need a transparent background
  • Convert to WebP for the best compression on modern websites
  • Convert WebP to JPG for compatibility with older software

Format Comparison

  • JPG: Best for photos, smallest file size, no transparency
  • PNG: Best for graphics and screenshots, supports transparency
  • WebP: Best for web use, smallest size, supports transparency

Privacy

Your images are converted entirely in your browser. Nothing is uploaded or stored.

Related Tools

Image Compressor →WebP Converter →PNG to JPG →JPG to PNG →