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Export the first frame of a GIF as a WebP image.

Embed a bitmap as a data: URI.

Decode a BMP data URI back into a bitmap file.

Build a BMP file from raw RGB values or hex colours.

Dump the raw pixel values of an image.

List an image's distinct colours with frequencies.

Adjust brightness, contrast or saturation of a bitmap.

Re-encode an image as 32-bit BMP with transparency.

Re-encode an image as a 24-bit bitmap.

Swap one entry of the bitmap's colour table for another colour.

Randomly permute the bitmap's colour table.

Blit one bitmap onto another with AND, OR, XOR, NAND or copy raster operations.

Corrupt a bitmap on purpose for parser and fuzz testing.

Open a WebP and re-encode it (view, convert or inspect).

Make a colour transparent in a WebP.

Flatten a WebP's transparency onto a colour.

Adjust brightness, contrast, saturation or hue of a WebP.

Show a chosen frame of an animated WebP (step through the frames one by one).

Export the frames of an animated WebP as one sprite-sheet PNG.

Compose WebP frames into a sprite sheet PNG.

Build an animated WebP from a sprite sheet (worker builds with libwebp).

Wrap list items in an XML document.

Extract the text of XML elements into a list.

Generate a random XML document.