About img2webp.com

What img2webp.com Does

img2webp.com is a free online tool that converts images to the WebP format. It accepts PNG, JPG/JPEG, WebP, GIF, BMP, TIFF, AVIF, SVG, and ICO files up to 10 MB each and outputs optimized WebP files.

There is no sign-up, no software to install, and no cost. Open the free WebP converter, add your images, adjust settings, and download the results. Batch conversion is supported — convert multiple files at once and download them as a ZIP archive.

Whether you are a web developer optimizing page speed, a designer exporting assets, or a content editor preparing images for a CMS, img2webp.com handles the conversion with practical controls for quality, size, and transparency.

How Conversion Works

img2webp.com converts images using your browser's built-in capabilities. Each source image is rendered to an HTML Canvas element and then exported as WebP via canvas.toBlob("image/webp", quality).

You can choose between lossy and lossless compression modes. Lossy mode uses a quality slider — lower values mean smaller files with some visual trade-off, while higher values retain more detail. Lossless mode preserves every pixel exactly, producing larger files but perfect fidelity.

This approach means the actual image processing runs in your browser rather than on a remote server. There is no render queue and no upload-process-download cycle for the conversion itself.

Privacy and Metadata

Because conversion uses the HTML Canvas API, EXIF metadata and other embedded data are stripped from the output. The canvas renders the visible pixels only — orientation, camera data, GPS coordinates, and other metadata are not carried over. The "Strip metadata" setting in the converter reflects this behavior.

However, not all operations are purely client-side. URL imports (pasting an image URL) and cloud drive imports (Google Drive, OneDrive) fetch the file through server-side API routes at /api/import/*. The current interface also sends selected files to /api/upload for upload and progress handling — the endpoint does not persist files, but the request does transmit the file data.

If privacy is a concern, use the device file picker, drag-and-drop, or clipboard paste, and be aware that the upload endpoint still processes the file on the server side. For more details, read our guide on image metadata and EXIF.

Features and Controls

Beyond basic conversion, img2webp.com includes several tools to prepare your images:

• Resize modes: Keep original size, scale by percentage, set exact pixel dimensions, or pick from screen presets.
• Background fill: Set a background color for contain-mode resizing.
• Transparent color replacement: Replace a specific color with transparency, with adjustable tolerance.
• Auto-orient: Respect EXIF orientation data so rotated photos display correctly.
• Batch processing: Convert multiple files at once and download a ZIP archive assembled in-browser via fflate.

Import images from your device, clipboard, a URL, Dropbox, Google Drive, or OneDrive. Learn more about what WebP is and how it compares with other formats in our WebP vs PNG comparison.

Explore Our Guides

Browse our articles and guides for tutorials on converting specific formats, comparisons between WebP and other image types, and tips for getting the best results from your conversions.