🖼️ Image

Image Converter — Free 2026

Convert images between PNG, JPEG, WebP, and BMP formats instantly in your browser. No upload to servers.

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How It Works

Upload your image
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Understanding Image Formats

Choosing the right image format can significantly affect file size, quality, and compatibility. Each format has strengths that make it ideal for different use cases. This free converter processes images entirely in your browser using the HTML5 Canvas API, ensuring your files remain private and never touch a server.

PNG vs JPEG vs WebP

PNG (Portable Network Graphics) uses lossless compression and supports transparency, making it perfect for logos, icons, and screenshots. JPEG excels at photographs with its lossy compression that achieves much smaller files at acceptable quality. WebP, developed by Google, offers both lossy and lossless modes with file sizes 25-35% smaller than equivalent JPEG or PNG files, though browser support is now near-universal. For reducing file sizes further, try the image compressor.

When to Use Each Format

Use PNG for graphics with sharp edges, text, or transparency. Use JPEG for photographs and images where small quality loss is acceptable. Use WebP when you need the smallest file size with good quality. Use BMP only when uncompressed data is required. If you also need to resize, check out the image resizer tool.

Frequently Asked Questions

What image formats can I convert between?

This tool supports converting between PNG, JPEG, WebP, and BMP formats. Simply upload your image and select the desired output format. The conversion happens entirely in your browser — your images never leave your device.

Is there a file size limit?

Since the conversion runs entirely in your browser, the limit depends on your device's available memory. Most modern devices can handle images up to 50 MB or larger without issues. For very large images, consider using our Image Compressor first to reduce the file size.

What is the difference between PNG and JPEG?

PNG uses lossless compression and supports transparency, making it ideal for graphics, logos, and screenshots. JPEG uses lossy compression that produces smaller files but loses some quality — it is best for photographs. WebP offers both lossy and lossless compression with smaller file sizes than both PNG and JPEG.

Are my images uploaded to a server?

No. All conversion happens locally in your web browser using the HTML5 Canvas API. Your images never leave your device, ensuring complete privacy. No server processing, no data collection, no sign-up required.