Image Format Converter — PNG ↔ JPG ↔ WebP
Convert images between PNG, JPG, WebP, and BMP formats with quality control. 100% Private In-Browser with no file uploads.
Upload an image to convert
JPG, PNG, WebP, GIF, BMP, SVG · Max 25MB
What is Image Format Converter?
Converting images to modern web formats like WebP significantly reduces payload size while maintaining high visual quality. Our Image Format Converter transforms raster files between PNG, JPG, WebP, BMP, and GIF formats directly in your browser using client-side HTML5 Canvas encoding with zero server uploads or privacy exposure.
Designed for accuracy, speed, and privacy, this tool runs entirely on your local device with zero network latency.
How to Use the Image Format Converter
- 1Upload a source image file from your computer or mobile device.
- 2Select your desired Target Format from the dropdown menu (PNG, JPG, WebP, BMP, or GIF).
- 3Adjust the Quality slider if converting to a lossy format such as JPG or WebP.
- 4Review the converted preview and output file size, then download the new image file.
Formula & Calculation Logic
Converts raster bitmap buffers into target container formats using browser-native encoder implementations. Quality factor (0.0 to 1.0) controls lossy quantization tables.
Canvas MIME Export: canvas.toDataURL("image/[format]", qualityFactor)Image Format Converter Frequently Asked Questions
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