RAW to WebP Online Converter
Convert camera RAW files (CR2, CR3, NEF, ARW, DNG) to WebP format for modern web use. Smaller file sizes, same great quality.
Drop RAW files here
or click to select files, supports multiple selection
Why Use Our RAW to WebP Converter
WASM-Powered RAW Decoding
Uses wasm-vips, a WebAssembly port of the Vips library with libraw, to decode RAW files accurately in your browser. Supports Canon CR2/CR3, Nikon NEF, Sony ARW, Adobe DNG, and more. No server uploads needed.
Modern WebP Format
WebP offers superior compression compared to JPEG and PNG. Your RAW photos become web-optimized files that load faster on your website. WebP supports both lossy and lossless modes with alpha transparency.
Batch Processing
Select multiple RAW files at once for batch conversion. Each image is processed independently with consistent quality settings, and you can download them all at once with one click.
Privacy & Local Processing
All conversion happens locally in your browser using WebAssembly. RAW files are never uploaded to any server. Your photos remain on your device at all times.
How to Convert RAW to WebP Online Free
Upload Your RAW Files
Click the upload area or drag RAW files into the browser. The tool accepts .cr2, .cr3, .nef, .arw, .dng, and many other RAW formats. Select multiple files at once for batch conversion. When you drop your files, you will see thumbnails showing a preview of each RAW image with its file name and dimensions. All processing stays in your browser — your photos never leave your device.
Adjust Quality and Convert
Use the quality slider to set WebP compression (10-100, default 85). Higher values mean better quality but larger files. Click the "Convert to WebP" button to start. The tool loads the WebAssembly-based vips library with libraw support (usually takes a moment on first use) and decodes each RAW file into full-resolution pixel data, then encodes to WebP. Progress indicators show when each file has finished converting.
Download Your WebP Files
Each converted WebP displays a preview with its file size. Download images individually with the per-file button, or click "Download All WebP" to trigger staggered downloads for every converted file — browsers handle them one by one automatically. If you want to convert more, click "Convert More Files" to start a new batch. The whole workflow is fast, local, and private.
RAW to WebP Tips
Why Convert RAW to WebP?
RAW files contain unprocessed sensor data with maximum editing flexibility, but they are large and not supported by web browsers. Converting to WebP creates modern web-optimized images that are 25-35% smaller than JPEG with the same quality. WebP is supported by all modern browsers and offers the best balance of file size and visual quality for web use.
Supported RAW Formats
We officially support Canon CR2 and CR3, Nikon NEF, Sony ARW, and Adobe DNG. Many other camera RAW formats (Fujifilm RAF, Panasonic RW2, Olympus ORF, Pentax PEF, etc.) are supported experimentally through libraw but may not be fully tested. If your format isn't listed, try uploading — it may still work. For best results, use DNG if your camera supports it.
Quality Settings Explained
The WebP quality slider controls lossy compression: 10 is smallest file size with visible artifacts, 100 is largest with minimal compression. 85 is the recommended default — excellent quality for most purposes. Use 90-100 for archival or print, 70-85 for web sharing, and lower values only when file size matters more than quality. Remember that RAW originals are always superior for editing — convert to WebP as the final step for web distribution.
Frequently Asked Questions
What RAW formats are supported?
We support Canon CR2/CR3, Nikon NEF, Sony ARW, and Adobe DNG files. Many other RAW formats (RAF, RW2, ORF, PEF, etc.) are supported experimentally via libraw but not officially tested.
What is WebP and why use it?
WebP is a modern image format developed by Google that provides superior lossy and lossless compression. WebP lossy images are typically 25-35% smaller than JPEG at the same quality, and WebP lossless images are about 26% smaller than PNG. For web use, WebP offers the best balance of file size and quality.