DPX vs SVG
A detailed comparison of Digital Moving-Picture and SVG Vector Image — file size, quality, compatibility, and which format to choose for your workflow.
Digital Moving-Picture
Raster & Vector ImagesDPX (Digital Picture Exchange) is a SMPTE standard file format for digital intermediate and visual effects work. It stores per-frame image data with rich metadata for color management and is widely used in film post-production pipelines.
About DPX filesSVG Vector Image
Raster & Vector ImagesSVG is an XML-based vector image format that scales to any resolution without quality loss. It is the standard for web icons, logos, and illustrations that need to look sharp on all screen sizes.
About SVG filesStrengths Comparison
DPX Strengths
- Industry-standard archival format for film.
- Logarithmic color encoding preserves film look.
- Lossless — no generation degradation.
- SMPTE standardized (SMPTE 268M).
- Every VFX and color-grading app reads and writes DPX.
SVG Strengths
- Resolution-independent — crisp at any size, from 16px icon to 4K billboard.
- Tiny file sizes for flat graphics, logos, and UI illustrations.
- Editable with any text editor; programmatically manipulable via DOM.
- Supports interactivity, CSS styling, and JavaScript inside the image.
- Accessible — text inside SVG is readable by screen readers.
Limitations
DPX Limitations
- No compression — file sizes are enormous.
- Not a display format — requires color-managed pipelines.
- Gradually superseded by OpenEXR in modern VFX.
- Overkill for anything but professional film work.
SVG Limitations
- Not suitable for photographs or complex raster imagery.
- Uploading user-provided SVG is risky — embedded scripts are an XSS vector.
- Complex SVGs with thousands of paths render more slowly than a PNG equivalent.
- Inconsistent rendering across browsers for edge-case features (filters, gradients).
- No native concept of layers or groups for design-tool round-tripping.
Technical Specifications
| Specification | DPX | SVG |
|---|---|---|
| MIME type | image/x-dpx | image/svg+xml |
| Extension | .dpx | — |
| Standard | SMPTE 268M | — |
| Bit depths | 8, 10, 12, 16 bits per channel | — |
| Color encoding | Logarithmic (Cineon-style) by convention | — |
| Format | — | XML (text-based) |
| Current version | — | SVG 2 (W3C Recommendation, 2018) |
| Compression | — | Gzipped variant is .svgz |
| Resolution | — | Unlimited (vector) |
| Animation | — | SMIL, CSS, JavaScript |
Typical File Sizes
DPX
- 2K DPX frame (2048×1556, 10-bit) ~12 MB
- 4K DPX frame (4096×3112, 10-bit) ~50 MB
- 90-min feature at 4K DPX sequence ~6 TB
SVG
- Simple icon 200 B – 2 KB
- Company logo 2–10 KB
- Complex illustration 20–100 KB
- Data-visualization chart 50–500 KB
Ready to convert?
Convert between DPX and SVG online, free, and without installing anything. Encrypted upload, automatic deletion after 2 hours.
Frequently Asked Questions
DPX (Digital Moving-Picture) is an image format used to store raster graphics — a two-dimensional grid of pixels describing a picture. It is part of the raster & vector images family and designed around a specific trade-off between file size, visual fidelity, and feature support (transparency, colour depth, compression type). Photographers, web designers, and content creators choose DPX when its particular strengths match the publishing target.
SVG (Scalable Vector Graphics) is an XML-based vector image format maintained by the W3C since 1999. Unlike raster formats, SVG images scale to any size without quality loss, making them perfect for responsive web design.
Most desktop photo viewers (Windows Photos, macOS Preview, GIMP, Photoshop, Affinity Photo) open DPX natively. On mobile, iOS Photos and Google Photos display DPX in the gallery when supported by the OS. If the format is rare or new, convert to JPG or PNG first — both are universally readable — using our DPX to JPG or DPX to PNG converter.
SVG files open in all web browsers, Adobe Illustrator, Inkscape (free), Figma, and most modern design tools. You can also open SVGs with any text editor since they are XML-based.
Upload the DPX to KaijuConverter and pick a target format (JPG, PNG, WebP, HEIC, TIFF, BMP, SVG, PDF). The conversion runs in the browser via ImageMagick and returns a download in seconds. No account or installation required; both input and output delete automatically within two hours.
It depends on the task. JPG is the smallest file size for photographs; PNG is lossless with transparency; DPX has its own niche that may favour colour depth, animation, or encoding efficiency over one or both of those. For the final web publish, test all three and measure file size plus visible quality on real content.