DPX (Digital Picture Exchange) is the SMPTE 268M cinema standard for film scanning and VFX, encoding 10-bit or 16-bit per channel imagery with logarithmic color. DPX is native to professional tools like DaVinci Resolve, Nuke, and Flame. WebP is Google's modern image format offering 25-34% better compression than JPEG and 26% better than PNG, with both lossy and lossless modes and universal browser support.

Converting DPX to WebP produces the most storage-efficient frames from cinema-grade source material. WebP's superior compression is particularly valuable when DPX frames need to be served on the web — production review platforms, portfolio websites, VFX breakdown pages, and streaming service marketing sites all benefit from WebP's fast loading and low bandwidth usage compared to JPEG or PNG alternatives.

Web delivery of cinema content demands efficient compression. WebP delivers 25-34% smaller files than JPEG at equivalent visual quality, which translates to faster page loads on portfolio sites, VFX breakdown galleries, and production review platforms. For a gallery of 50 film stills, WebP saves 30-40% of bandwidth compared to JPEG — meaningful for both hosting costs and viewer experience.

WebP's lossless mode provides an alternative to PNG for frame stills where quality cannot be compromised. Lossless WebP files are 26% smaller than equivalent PNG files, making them the most efficient lossless web format available. For production review platforms where every pixel matters but files need to be web-deliverable, lossless WebP is the optimal choice.

The DPX data is decoded with log-to-linear color space conversion using a Cineon-to-sRGB LUT. The high-bit-depth source is tone-mapped to 8-bit per channel. Sharp or ImageMagick encodes the result as WebP — lossy mode uses VP8 encoding with configurable quality (default 88 for cinema stills), lossless mode uses VP8L. ICC color profile embedding is supported. Full spatial resolution of the DPX frame is maintained unless resizing is requested. Alpha channel transparency is supported in both lossy and lossless modes.

Lossy WebP at quality 90+ is sufficient for general review. For color-critical evaluation (color grading approval, VFX final review), use lossless WebP or lossless PNG to ensure zero compression artifacts.

WebP is 25-34% smaller at equivalent visual quality. A 2 MB JPEG still from DPX becomes 1.3-1.5 MB as lossy WebP with indistinguishable quality.

Yes — Chrome (since 2014), Firefox (2019), Safari (2020), and Edge all support WebP. Browser support is effectively universal for modern web delivery.

WebP is designed for web delivery. For print production, use TIFF (archival, ICC profiles) or PSD (editing). WebP's 8-bit depth and web color space are not optimal for print.

Lossy quality 88-92 for portfolio and marketing — smallest files with excellent quality. Lossless for production review where pixel accuracy matters but TIFF/PNG are too large for web delivery.

Device	DPX	WebP
Windows PC	Partial	Partial
macOS	Partial	Partial
iPhone/iPad	Partial	Partial
Android	Partial	Native
Linux	Partial	Partial
Web Browser	No	Native

Egenskap	DPX	WebP
Fullt navn	Digital Picture Exchange	WebP Image
Filendelse	.dpx	.webp
Best egnet for	Film industry standard	Superior compression

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