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Image Converter

Convert images between PNG, JPEG, WebP and AVIF formats — 100% local.

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Drop images here or click to browse

Supports JPEG, PNG, WebP, GIF, BMP and more — select multiple files for batch mode

Convert to

Quality: 90%

90%

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Original format

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Dimensions

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Original size

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Converted size

⚠️ AVIF is not supported by your browser — falling back to WebP.

Preview —

Batch conversion

How it works?

Your image is decoded in the browser using an HTMLImageElement, then drawn onto a hidden canvas. The canvas is then serialised to the target format using canvas.toDataURL(). For AVIF, the tool first attempts native browser encoding — if the resulting data URL starts with data:image/avif the format is supported and used directly; otherwise it silently falls back to WebP. The quality slider applies to lossy formats (JPEG, WebP, AVIF). PNG is always lossless. Everything runs entirely in your browser — no data is uploaded anywhere.