- High-Accuracy Calibration: Uses ArgyllCMS to deliver precise display calibration and ICC profiling.
- Wide Instrument Support: Compatible with many colorimeters and spectrometers across brands.
- 3D LUT Creation: Generate video and device LUTs for workflows like DaVinci Resolve and madVR.
- Verification & Reporting: Detailed measurement reports to evaluate display and profile quality.
- Advanced Test Chart Editor: Customizable charts for profiling, validation, and analysis.
- Multi-Platform Support: Runs on Windows, macOS, and Linux.
DisplayCAL
Open-source display calibration and profiling powered by ArgyllCMS
Updated February 27, 2026
DisplayCAL Overview
DisplayCAL is a highly accurate, open-source display calibration and profiling application built on ArgyllCMS. It supports a wide range of colorimeters and spectrometers, multi-display setups, ICC profiling, verification reports, and 3D LUT creation.
Designed for enthusiasts and professionals, it emphasizes precision, flexibility, and transparency while remaining free software supported through voluntary contributions.
Key Features
Pricing
| Item | Cost |
|---|---|
| DisplayCAL software | Free (open-source) |
| Optional donation/support | Voluntary (you choose amount) |
Pros
Competitor |
Pros |
|---|---|
| CalMAN | Compared to CalMAN, DisplayCAL offers a completely free and open-source alternative with no locked features. It provides advanced profiling, LUT generation, and deep configurability without requiring expensive licenses, making it more accessible for enthusiasts and small studios while still delivering professional-grade accuracy. |
| X-Rite i1Profiler | DisplayCAL surpasses i1Profiler in flexibility and transparency, allowing users to fine-tune targets, charts, and correction matrices. It supports more advanced workflows like custom 3D LUTs and verification reports, which are limited or unavailable in the vendor-locked i1Profiler software. |
| LightSpace / ColourSpace | While ColourSpace targets high-end studios, DisplayCAL provides many comparable calibration fundamentals at no cost. It is easier to adopt for individual users and offers strong community documentation, making it a practical solution for accurate display profiling without enterprise-level investment. |
| HCFR | DisplayCAL offers a more comprehensive end-to-end workflow than HCFR, combining calibration, profiling, verification, and LUT creation in one interface. Its broader instrument support and deeper ArgyllCMS integration make it more versatile for both display and video-centric calibration tasks. |
| Datacolor Spyder Software | Compared to Datacolor’s bundled Spyder software, DisplayCAL delivers significantly greater control, accuracy, and reporting depth. It avoids oversimplified automation, enabling better results for users willing to invest time in understanding calibration principles. |
Cons
Competitor |
Cons |
|---|---|
| CalMAN | Compared to CalMAN’s guided workflows and official certification support, DisplayCAL can feel complex and less polished. New users may face a steeper learning curve, and it lacks formal manufacturer partnerships and automated workflows common in CalMAN’s commercial ecosystem. |
| X-Rite i1Profiler | Unlike i1Profiler, DisplayCAL does not provide a simplified, vendor-supported experience. Setup can be more time-consuming, and users must rely on community documentation rather than official hardware manufacturer support channels. |
| LightSpace / ColourSpace | DisplayCAL lacks the real-time grading integration, advanced hardware LUT management, and studio-oriented automation found in ColourSpace. High-end post-production facilities may find DisplayCAL insufficient for demanding, collaborative color grading pipelines. |
| HCFR | Compared to HCFR’s simpler measurement-focused approach, DisplayCAL can feel overwhelming. Users seeking quick, minimal calibration checks may find its extensive options and configuration screens excessive for basic tasks. |
| Datacolor Spyder Software | DisplayCAL requires more technical understanding than Datacolor’s Spyder software. Casual users who want fast, one-click calibration may struggle with its terminology, manual adjustments, and longer setup process. |
Reviews
- Reddit r/colorists: One commenter advised dialing in the white point manually before running calibration because software adjustments push values around and perform better with less correction. Another user called DisplayCAL “abandonware” and struggled to determine accuracy with a new OLED TV where greens appeared underrepresented in certain color spaces. A detailed post also claimed Calibrite Profiler remaps correction modes like “PFS Phosphor” to “RG_phosphor,” arguing the software misleads users about colorimeter corrections.
- SourceForge Review (Rating: 4.9/5): Several reviewers revived older hardware such as the Huey Pro and Datacolor Spyder 3 after OEM software dropped support, and DisplayCAL delivered “excellent” results despite taking “many passes” to complete calibration. One user achieved a dramatic contrast boost from 850:1 to 1150:1 compared to Colormunki’s bundled software, with visibly richer contrast and more accurate colors. Others highlighted better monitor matching and praised validation, reporting, and screen uniformity tools.
- avsforum.com Review: A discussion compared white point readings of 6500K in i1 Profiler versus 6200K in DisplayCAL and questioned the discrepancy. An experienced member explained that matching “Display Type” and “Correction” settings yields the same measurements within instrument noise, and argued that i1 Profiler limits users to matrix or L*a*b* cLUT profiles, which can clip saturated greens in wide gamuts beyond DCI-P3 due to ICC encoding limits of -128 to +127.
- overclock.net Review: One contributor urged buyers to skip older Spyder models that use aging organic filters and instead pair an i1 Display Pro with DisplayCAL for profile generation and HCFR for verification. Another insisted that investing time to learn DisplayCAL pays off because it outperforms OEM Spyder or i1 software, while a different member questioned whether the preference for i1DP reflects real testing or simple “internet bias.”
