Convert DPX to PNG — Free Online Converter
Convert Digital Picture Exchange (.dpx) to Portable Network Graphics (.png) online for free. Fast, secure image conversion with no watermarks or regis...
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How to Convert
Upload your .dpx file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .png file when it's ready.
About DPX to PNG Conversion
DPX (Digital Picture Exchange) is the SMPTE 268M professional cinema format, storing 10-bit or 16-bit per channel imagery with logarithmic color encoding for maximum dynamic range. DPX is the standard interchange format across the VFX and digital intermediate pipeline — Nuke, Flame, DaVinci Resolve, and Baselight all work natively with DPX sequences. PNG (Portable Network Graphics) is the lossless web image format supporting 8-bit or 16-bit color depth with full alpha transparency.
Converting DPX to PNG produces lossless, widely viewable frame images from cinema-grade source material. PNG is the best general-purpose output format for DPX conversion because it preserves maximum quality (lossless compression), supports 16-bit depth (retaining more of DPX's dynamic range than 8-bit formats), and is viewable in every web browser and image application.
Why Convert DPX to PNG?
PNG's 16-bit per channel mode preserves significantly more of DPX's dynamic range than 8-bit formats like JPEG or BMP. For VFX review, editorial reference, and production stills where tonal quality matters, 16-bit PNG retains the subtle gradations in shadows, highlights, and skin tones that 8-bit conversion loses. This makes PNG the highest-quality practical format for DPX frame extraction.
Web-based production tools (ShotGrid/Flow, Frame.io, cineSync) display PNG natively in the browser. Converting DPX frames to PNG enables upload to these collaboration platforms without quality-degrading JPEG compression. Review notes, annotations, and approvals happen on PNG frames that preserve more of the original DPX quality than any lossy alternative.
Common Use Cases
- Extract high-quality frame stills from DPX for upload to production review platforms (ShotGrid, Frame.io)
- Create 16-bit PNG reference frames from DPX for VFX quality comparison and review
- Produce lossless PNG stills from DPX film scans for portfolio and showreel creation
- Convert DPX compositing output to PNG for web-based review without JPEG compression artifacts
- Generate PNG frame sequences from DPX for non-DPX-compatible compositing and editing tools
How It Works
The DPX header is parsed for image dimensions, bit depth, color encoding, and orientation. ImageMagick or Sharp performs log-to-linear conversion using a Cineon-to-sRGB LUT. For 16-bit PNG output, the conversion preserves 16 bits per channel from the source (10-bit DPX is expanded to 16-bit). For 8-bit PNG output, standard tone-mapping is applied. PNG compression uses DEFLATE with optimized filter selection per scanline. Alpha channel is preserved if present in the DPX source. The full spatial resolution of the DPX frame is maintained.
Quality & Performance
PNG is lossless — after the log-to-linear color space conversion, every pixel is preserved exactly. At 16-bit output, PNG retains most of the DPX's tonal range (65,536 levels per channel vs. DPX's 1,024 at 10-bit or 65,536 at 16-bit). At 8-bit, the 256-level tonal range is more limiting but sufficient for most viewing purposes. The log-to-linear conversion quality depends on the LUT used — a proper film stock LUT produces more accurate results than the generic Cineon curve. Spatial resolution is fully preserved at 2K or 4K.
Device Compatibility
| Device | DPX | PNG |
|---|---|---|
| Windows PC | Partial | Native |
| macOS | Partial | Native |
| iPhone/iPad | Partial | Native |
| Android | Partial | Native |
| Linux | Partial | Native |
| Web Browser | No | Native |
Tips for Best Results
- 1Use 16-bit PNG for maximum quality when the viewing platform supports it
- 2Apply a show LUT or film stock emulation before conversion for color-accurate output
- 3PNG at 8-bit is sufficient for web review and documentation — save 16-bit for critical color work
- 4Preserve frame numbers in filenames when converting sequences for traceability
- 5For web delivery, consider WebP as an alternative — similar lossless quality at 26% smaller files
DPX to PNG is the highest-quality practical conversion for cinema frame extraction. The lossless output with optional 16-bit depth preserves more of the source's dynamic range than any lossy format, and PNG's universal viewability makes the frames accessible across all platforms.