XWD to WEBP Converter

Convert XWD images to WEBP format quickly and easily online

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Batch Processing

Upload multiple XWD files at once and convert them all to WEBP in a single session — ideal when you have many legacy images to migrate.

Lightning Fast

XWD files are small and convert to WEBP in seconds. The cloud-based engine handles the transformation quickly so you can download right away.

Modern Format Output

WEBP provides modern web format with superior compression — a significant upgrade over the legacy XWD format for everyday image use and sharing.

How to convert XWD to WEBP

1

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

2

Choose webp or any other format you need as a result (more than 200 formats supported)

3

Let the file convert and you can download your webp file right afterwards

About formats

XWD (X Window Dump) is a screen capture image format defined as part of the X Window System by the MIT X Consortium, dating to approximately 1987. The xwd command-line utility captures the contents of an X window or the entire screen and saves it as an XWD file — functionally equivalent to a screenshot utility but predating the concept by years. XWD files contain a detailed header specifying the X server's visual type, bit depth, byte order, bitmap unit and padding, the window's dimensions, border width, and color map information, followed by the raw pixel data exactly as represented in the X server's framebuffer. This means XWD files faithfully capture the exact pixel representation used by the display hardware — including server-specific byte ordering, padding, and color organization — making them primarily useful on the system where they were captured or on systems with compatible display configurations. The header also stores the window name string and the full color map entries for indexed-color visuals. XWD supports all X11 visual types: StaticGray, GrayScale, StaticColor, PseudoColor, TrueColor, and DirectColor, at any bit depth supported by the X server. One advantage is exact framebuffer fidelity: XWD captures the window's pixel data in its native format without any color space conversion or compression, making it the definitive record of what the X server was actually displaying. The format's integration with the X11 command-line toolkit provides another practical benefit — xwd can capture specific windows by ID or name, be triggered remotely via SSH, and piped directly to format converters. XWD files are handled by ImageMagick, GIMP, xwud (the viewer companion to xwd), and xv.
Developer: MIT X Consortium
Initial release: 1987
WebP is an image format developed by Google, announced on September 30, 2010, designed to provide superior compression for web images in both lossy and lossless modes. The lossy mode is derived from the VP8 video codec's intra-frame coding (the same technology used in WebM video), applying block prediction, transform coding, and adaptive quantization to photographic content. The lossless mode uses a distinct algorithm combining predictive coding, color space transforms, backward reference to repeated pixel patterns, and entropy coding. WebP also supports alpha transparency in both modes — lossy WebP with transparency is unique among common web formats, offering semi-transparent images at much smaller sizes than PNG. The format supports animated sequences as well, providing a modern alternative to GIF with full-color support and dramatically better compression. One advantage is substantial file size reduction — lossy WebP produces images 25-35% smaller than JPEG at equivalent visual quality, and lossless WebP is typically 26% smaller than PNG, directly improving web page loading speed and reducing bandwidth costs. Universal browser support provides another key strength: Chrome, Firefox, Safari, Edge, and all mobile browsers now render WebP natively, achieving the broad adoption threshold needed for practical deployment. Google's core web infrastructure (Search, YouTube thumbnails, Gmail) uses WebP extensively, and the format is supported by major CDN platforms, CMS systems, and image processing services. WebP has established itself as the primary modern alternative to JPEG and PNG for web content.
Developer: Google
Initial release: September 30, 2010

Frequently Asked Questions

What is the reason to convert XWD to WEBP?

XWD originated in Unix/X11 screenshots and has narrow compatibility today. WEBP offers modern web format with superior compression — a far more practical choice for sharing.

What apps support WEBP?

You can view WEBP with Chrome, Firefox, Edge, Safari, Photoshop, GIMP. These tools cover all major desktop and mobile platforms.

Are my uploaded files kept private?

Yes — your XWD files are deleted immediately after processing. The resulting WEBP files are also removed from servers within 24 hours.

Can I convert multiple XWD files to WEBP at once?

Absolutely. Batch upload your XWD images and convert them all to WEBP in a single pass — no need to repeat the process for each file.

What exactly is the XWD format?

The XWD format is a screen capture format from X Window System, rooted in Unix/X11 screenshots. Modern software rarely supports it natively, making conversion essential.

Does this converter work on mobile devices?

It works on any device with a web browser. Whether you are on Android, iOS, Windows, or macOS — XWD to WEBP conversion is fully supported.