Free webp to jpg
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Image MIME Reference
DPX

Digital Picture Exchange

image/dpx
VS

WebP Image

image/webp
WebP

A complete technical comparison of Digital Picture Exchange and WebP Image — covering compression, feature support, browser compatibility, magic bytes, and when to choose each format.

WebP wins on browser support

Feature Support

Feature DPX WebP
Transparency (Alpha) Yes Yes
Animation Support ✕ No Yes
Progressive Loading ✕ No ✕ No
HDR Support Yes ✕ No
EXIF Metadata ✕ No Yes
ICC Color Profile ✕ No Yes
Digital Picture Exchange
image/dpx
Extension
.dpx
Container DPX (SMPTE ST 268)
Compression Uncompressed / RLE (Rarely used)
Algorithm
Uncompressed
Color Depth 8-bit, 10-bit, 12-bit, 16-bit, 32-bit (Float)
Developed by SMPTE (Society of Motion Picture and Television Engineers)
Released 1994
Magic Bytes
53 44 50 58 (Big-endian) / 58 50 44 53 (Little-endian)
Full DPX reference →
WebP Image
image/webp
Extension
.webp
Container RIFF
Compression Lossy / Lossless
Algorithm
VP8VP8L
Color Depth 8-bit
Developed by Google
Released 2010
Magic Bytes
52 49 46 46 XX XX XX XX 57 45 42 50
Full WebP reference →

Browser Support Comparison

Browser DPX WebP
Chrome Chrome
✕
✓ 32+
Firefox Firefox
✕
✓ 65+
Safari Safari
✕
✓ 14+
Edge Edge
✕
✓ 18+
IE IE (Legacy)
✕ ✕
DPX

DPX Strengths

  • Industry standard for transferring uncompressed, high-fidelity film and VFX data
  • Rich industry-specific metadata including timecode, keykode, and film stock information
  • Supports logarithmic color spaces (LogC, Cineon) to preserve the massive dynamic range of film negatives
Limitations
  • Massive file sizes (e.g., a single 4K 10-bit frame is ~50MB, resulting in ~1.2GB per second at 24fps)
  • Zero native support in web browsers or consumer OS image viewers
  • Requires heavy-duty, fast storage infrastructure (RAID/NVMe) to playback in real-time
WebP

WebP Strengths

  • Superior lossy compression — 25–35% smaller than JPEG at equivalent quality
  • Supports both animation and full alpha transparency
  • Lossless mode available with smaller file sizes than PNG
Limitations
  • Slower encoding than JPEG, especially for lossless
  • Not supported in Internet Explorer or very old browsers

When to choose which format

DPX
Use DPX when…
  • Film Scanning
  • Visual Effects (VFX)
  • Digital Intermediate (DI)
  • Color Grading
  • Archival
WebP
Use WebP when…
  • Websites
  • Ecommerce
  • Mobile Apps
  • CMS Images

More comparisons

DPX vs ACES → WebP vs ACES → DPX vs APNG → WebP vs APNG → DPX vs AVCI → WebP vs AVCI → DPX vs AVCS → WebP vs AVCS → DPX vs AVIF → WebP vs AVIF → All comparisons →
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