ToolkitBook
Switch image formats without sending files anywhere. Drop or browse for a PNG, JPEG, WebP, GIF, BMP, AVIF, SVG, or TIFF, then pick one or more output formats and hit Convert. A quality slider for JPEG and WebP lets you trade file size for sharpness. Everything runs locally through the Canvas API—your files stay on your computer.
Drag and drop your image here
or click to browse · PNG, JPEG, WebP, GIF, BMP, AVIF, SVG, TIFF
Pick one or more output formats:
Drop an image onto the upload area, or click to pick a file. Pick the output format—you can choose more than one—and hit Convert. Each result appears below with a Download link.
PNG, JPEG, WebP, and BMP. Pick more than one if you need the same image in several formats—they all convert at once.
Any format your browser can open: PNG, JPEG, WebP, GIF, BMP, AVIF, SVG, and TIFF. If your browser can't handle a file, you'll see an error when loading it.
It only affects JPEG and WebP, since those use lossy compression. Lower values give smaller files but more visible artifacts; higher values look sharper but take up more space. Around 85–92 is a good range for most uses. PNG and BMP are lossless, so the slider has no effect on them.
JPEG throws away data to shrink the file—that's lossy compression. PNG stores every pixel exactly, so the same image needs more space. You get perfect quality, but the file can end up several times larger.
Converting to PNG or BMP keeps everything intact. Converting to JPEG or WebP applies lossy compression and drops some detail. Moving between two lossless formats—say, PNG to BMP—doesn't lose anything.
No. Your browser handles everything through the Canvas API. The file is read, drawn to a canvas, and exported in the new format—entirely on your machine. Nothing leaves your computer.