Which image format should I use for my website?

For photographs, use JPEG or WebP. For graphics, logos, or images with transparency, use PNG or WebP. WebP offers the best compression for web use but check browser compatibility.

Does converting between formats affect image quality?

Converting to a lossy format (JPEG, lossy WebP) will reduce quality. Converting to lossless formats (PNG) preserves quality. Converting from a lossy format won't restore lost quality.

Is my image data secure?

Yes, absolutely. All conversion happens directly in your browser. Your images are never uploaded to any server.

Free Image Converter Online - Convert PNG, JPG, WebP, GIF

Use our free image converter to convert images between different formats instantly. This online tool processes everything in your browser, so your images never leave your device. Convert PNG to JPG, JPG to WebP, and many more format combinations.

Understanding Image Format Conversion

Image format conversion is the process of changing an image from one file format to another. Each image format has unique characteristics, compression methods, and features that make it suitable for different use cases. Lossy formats like JPEG sacrifice some image data for smaller files, while lossless formats like PNG preserve every pixel.

Image Format Comparison

Format	Compression	Transparency	Best For
PNG	Lossless	Full Alpha	Graphics, logos, screenshots
JPEG	Lossy	None	Photos, complex images
WebP	Both	Full Alpha	Web images, all-purpose
GIF	Lossless	Binary only	Simple animations, icons
BMP	None	None	Raw image data, Windows apps

When to Convert Between Formats

PNG to JPEG - Convert photos without transparency to reduce file size by 60-80%
JPEG to PNG - When you need to add transparency or make further edits
Any to WebP - For web use to get 25-35% smaller files with equal quality
PNG to GIF - For simple graphics when you need smaller files or animation

PNG Format - Portable Network Graphics

PNG is a lossless format that supports full transparency (alpha channel). Ideal for graphics, logos, icons, and any image requiring transparency or sharp edges. PNG files are larger than JPEGs but preserve every pixel perfectly.

JPEG Format - Joint Photographic Experts Group

JPEG uses lossy compression optimized for photographs. It achieves very small file sizes while maintaining acceptable visual quality for photos. JPEG doesn't support transparency and isn't suitable for graphics with sharp edges.

WebP Format

WebP is a modern format by Google offering both lossy and lossless compression. It provides 25-35% smaller file sizes than JPEG and PNG while maintaining similar quality. WebP supports transparency and animation.

Frequently Asked Questions

Which format should I use for my website?: Use JPEG or WebP for photos. Use PNG or WebP for graphics with transparency.
Does converting formats affect quality?: Converting to lossy formats reduces quality. Lossless formats preserve quality.
What is the quality slider for?: The quality slider controls compression for JPEG and WebP. Lower values mean smaller files but more quality loss.

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Wed, Dec 3 — 05:18 PM