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Free Image Format Converter

Convert images between PNG, JPG, WebP, BMP, and GIF entirely in your browser. Batch conversion with quality control and optional resizing. Your images never leave your device.

Format Comparison

PNG — Lossless compression, supports transparency. Best for logos, icons, screenshots, and graphics with sharp edges. JPG — Lossy compression, smallest file sizes for photos. No transparency support. Best for photographs and complex images. WebP — Modern format with superior compression (25-35% smaller than JPG at same quality). Supports transparency and animation. Best for web use. BMP — Uncompressed bitmap. Large files but zero quality loss. Rarely used on the web. GIF — Limited to 256 colors. Supports animation. Best for simple animations and small graphics.

Frequently Asked Questions

Will I lose transparency converting to JPG?+
Yes. JPG and BMP don't support transparency. The tool fills transparent areas with white when converting to these formats. Use PNG or WebP to preserve transparency.
What quality should I use for WebP?+
80-90% is ideal for most web use. WebP compression is very efficient — a WebP at 80% quality often looks better than a JPG at 85% quality while being smaller.

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Related Article Image Format Guide: PNG vs JPG vs WebP vs GIF — When to Use Each →

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