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Product overview

Key Benefits

Support for the NeoChrom GPU

2.5D Accelerator with massive hardware optimizations for rich UIs on STM32, fully integrated in X-CUBE-TOUCHGFX. Learn more.

Support for scalable vector graphics (SVG)

Draw, resize, color and save memory thanks to new SVG widget now available. 

Now in TouchGFX 4.21

TouchGFX stock: the largest library of graphical assets, free for STM32 MCUs, available in TouchGFX Designer. Read the blog.


TouchGFX is an advanced, free-of-charge GUI optimized for STM32 microcontrollers. Taking advantage of the STM32 graphical hardware acceleration, architecture, and ecosystem, TouchGFX accelerates the HMI-of-Things revolution through the creation of stunning smartphone user interfaces on embedded devices ranging from simple low-color UI applications up to high-resolution and high-color UI applications.

TouchGFX is optimized for STM32 microcontrollers, needing only a limited amount of memory for running smooth GUIs.

The TouchGFX solution is distributed as an STM32Cube Expansion Package (X-CUBE-TOUCHGFX), which includes all TouchGFX software to hep users develop their UI application. TouchGFX interoperability within the STM32 ecosystem provides users with an easier and faster development process.

  • All features

    • Smartphone animations
      • TouchGFX (available as X-CUBE-TOUCHGFX Expansion Package) enables smartphone animations such as swipe, scroll, 3D effects, video playback, and others
      • Supports transparency, alpha-blending, anti-aliased fonts and kerning
      • Instant interaction from touch display or hard-keys at the user's choice
    • Easy programing
      • TouchGFX Designer offers drag-and-drop programming with automatic code generation
      • More than 30 widgets (such as swipe container, animated image, shapes, clock, scroll list, and others)
      • Custom triggers and actions
      • Easy addition of own C++ developer code for the creation of any unique UI application
      • Support of a variety of IDEs such as IAR Systems IAR Embedded Workbench®, Arm® Keil® MDK, and GCC-based IDEs such as STM32CubeIDE
      • Easy interfacing with any C code using the Model-View-Presenter pattern
    • Minimum CPU load and footprints
      • Taking full benefit of STM32 graphic hardware accelerators
      • Optimized library footprints requiring from 20 Kbytes of Flash memory and 10 Kbytes of RAM
      • Partial frame buffering minimizing graphic buffer sizes and enabling graphic UI support from lowest-cost STM32 options
      • Running with RTOS or on bare metal, supporting the STM32 microcontrollers based on the Arm® Cortex®-M0+, M3, M4, M33 and M7 processors
    • Fast start of UI development
      • STM32 display kits are fully supported (one click) in TouchGFX Designer
      • TouchGFX Generator helps users start on their own STM32 hardware
      • Reference demo examples demonstrate achievable UI performance
    • Part of STM32 ecosystem
      • TouchGFX Engine compiled library running on any STM32 microcontroller
      • Smooth interoperability with STM32Cube MCU Packages, STM32CubeMX and STM32CubeIDE
      • TouchGFX project examples using STM32CubeMX, STM32CubeIDE, and STM32Cube MCU Packages
    • Support and documentation
      • TouchGFX knowledge base for technical literature
      • Active TouchGFX community for online support and graphical discussions
      • Videos and webinars addressing embedded graphic topics

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TouchGFX innovative use-cases
Practical applications of our GUI expertise
STM32 Graphical User Interface
Accelerate the "HMI of things" revolution