Free Hmi Graphics Library
You don’t need a large budget to build a professional HMI. Free graphics libraries offer a solid starting point for prototypes, small-scale factories, or educational projects. The key is choosing a library that matches your development platform and license requirements.
Start with SVG-based assets – they’re future-proof, responsive, and easy to animate. Then gradually customize or replace elements as your project scales.
Next step: Download one of the five libraries above and rebuild a simple pump/tank screen in your favorite HMI tool today.
Further reading:
Would you like a downloadable cheat sheet or a sample SVG template for an HMI button with states?
Finding a high-quality "free HMI graphics library" can transform a dull control panel into a modern, professional interface. Several major industrial automation providers and open-source communities offer extensive collections of symbols, icons, and dynamic SVGs. Top Free HMI Graphics Libraries
Open Automation Software (OAS): Offers a comprehensive Free HMI Graphics library that includes common industry symbols for manufacturing, HVAC, and water treatment . Symbols are high-quality, rendered from multiple perspectives, and available in multiple colors (red, green, blue, grey, yellow) .
Opto 22 Image Library: A versatile resource providing editable SVGs, animated GIFs, and PNGs . It is particularly useful for creating dynamic dashboards and includes product images and logos for specific hardware .
OPC Systems Symbols: Provides a free library of graphic objects divided by category (motors, pumps, pipes, tanks, etc.) . These are designed for use in WinForm, WPF, or web-based HMI applications .
LVGL (Light and Versatile Graphics Library): An open-source graphics library ideal for resource-constrained embedded systems . It offers a low memory footprint and is highly customizable for developers building custom hardware interfaces .
OSHMI (Open Substation HMI): A specialized open-source SCADA/HMI project on GitHub that utilizes standard web technologies like SVG/HTML5 and Inkscape for substation and IoT automation . Icon & Vector Packs
For more general interface elements, these platforms provide thousands of royalty-free options:
IconScout: Browse over 60,000 SCADA-related icons in various styles like SVG and PNG .
The Noun Project: Features a collection of minimalist HMI and Human-Machine Interface icons .
Freepik: A great source for high-quality HMI vector symbols and system layouts . riclolsen/OSHMI: SCADA HMI for substations and ... - GitHub
Finding high-quality, free Human-Machine Interface (HMI) graphics is essential for creating professional and intuitive control systems without high licensing costs. 🚀 Top Sources for Free HMI Graphics free hmi graphics library
These libraries offer specialized industrial symbols like pumps, valves, and tanks in various formats.
Open Automation Software (OAS): Offers over 5,000 industrial symbols including HVAC, manufacturing conveyors, and process equipment.
Opto 22 Image Library: A robust collection of editable SVGs, PNGs, and animated GIFs specifically designed for industrial dashboards.
AutomationDirect C-more: While tied to their programming software, the environment is free and includes a wide array of graphical objects for PLCs.
OSHMI (Open Substation HMI): An open-source project providing a comprehensive ZIP file of SVG clipart tailored for electrical substations and industrial use. 🎨 General Purpose Icon Libraries
If you need modern, flat, or minimalist UI elements (like settings gears, user icons, or home buttons), these general sites are excellent: Download svg-clipart.zip (OSHMI - Open Substation HMI)
Finding a high-quality free HMI graphics library is essential for creating modern, professional industrial interfaces without the high costs of proprietary symbol sets. Whether you are using Ignition, Wonderware, or FactoryTalk, leveraging open-source and free resources can significantly improve operator experience and system clarity. Top Sources for Free HMI Graphics
Open Automation Software (OAS): Provides a comprehensive library of Free HMI Graphics and HMI Symbols including high-quality renders of tanks, pipes, valves, and motors in multiple colors (red, green, blue, grey, yellow).
Opto 22 Image Library: A robust resource featuring SVG, PNG, and GIF animations. It includes editable SVG images for deep customization and animated elements for dynamic process visualization.
Generic Logic (Genlogic): Offers a Free Community Edition of its vector graphics library and HMI editor, suitable for deploying dynamic displays updating with live data.
VRT Systems: Noted for providing free industrial SVG libraries, particularly for network equipment and process industry symbols. General Graphic Repositories
While not strictly industrial, these platforms offer millions of icons that can be adapted for HMI use:
The Noun Project: Excellent for minimalist, high-contrast HMI Icons in SVG and PNG formats.
Flaticon & Freepik: Recommended for a massive variety of vector icons with flexible licensing.
Tibbixel: A specialized resource mentioned by developers for having over 25,000 free SVG files with commercial-use licenses. Tools for Custom HMI Design You don’t need a large budget to build a professional HMI
If pre-made libraries don't fit your needs, many engineers use free design software to build their own professional assets:
Hmi symbol Vectors - Download Free High-Quality ... - Freepik
Hmi symbol Vectors - Download Free High-Quality Vectors from Freepik | Freepik. Creating HMI Graphics with Inkscape and SVG Libraries
Finding the right visual assets for Human-Machine Interface (HMI) design can significantly speed up development and improve user experience. While many high-end libraries are proprietary, several high-quality free resources exist for industrial automation and UI/UX design. Top Sources for Free HMI Graphics Inkscape Open Symbols
: This is a massive collection of open-source symbols, including many industrial and technical icons suitable for HMI. Since they are SVG-based, you can scale them without losing quality. Flaticon (UI/UX Icons)
: While general-purpose, Flaticon has a vast "Industrial" section. You can find free vector icons for pumps, valves, tanks, and sensors. (Note: Check individual licenses, as some require attribution). The Noun Project
: A go-to for minimalist, professional iconography. It features thousands of industrial symbols that are perfect for modern, clean HMI designs. HMI Project (Free Library)
: Some specialized HMI design firms offer "Lite" or "Free" versions of their icon sets to the community, often featuring high-quality 3D or isometric industrial components. GitHub Repositories
: Searching GitHub for "HMI symbols" or "Industrial SVG" often reveals community-driven projects like the Open Automation Graphics Key Considerations for Choosing Graphics File Format : Always prioritize SVG (Scalable Vector Graphics)
. HMIs often need to run on screens of different sizes and resolutions; SVGs remain crisp regardless of scaling. Consistency
: Mix-and-matching styles (e.g., 2D flat icons with 3D glossy buttons) can make an interface feel cluttered. Choose one library and stick to its visual language. Performance
: High-resolution PNGs can slow down some embedded HMI hardware. Optimized SVGs or simple 2D graphics generally offer the best performance.
: Even "free" libraries have rules. Ensure the license (like Creative Commons or MIT) allows for commercial use if you are building an interface for a client or factory. Standard Symbols to Look For A complete library should ideally include: Piping & Instrumentation (P&ID) : Valves, pumps, motors, and tanks. Navigation : Arrows, home buttons, and alarm icons. Status Indicators : LEDs, gauges, and multi-state switches. of graphics, such as high-performance 2D 3D realistic
Several companies and open-source communities provide free HMI (Human-Machine Interface) graphics libraries
to help engineers build professional SCADA and PLC dashboards without starting from scratch. These resources typically include industrial symbols like pumps, valves, tanks, and motors in formats such as SVG, PNG, and GIF. Top Free HMI Graphics Libraries Opto 22 SVG & GIF Library : A comprehensive collection of editable SVGs Further reading:
, product images, and animated GIFs specifically designed for control dashboards. These are accessible via the Opto 22 Image Library Open Automation Software (OAS) : Offers a free download of over 5,000 industrial symbols
, including HVAC, manufacturing conveyors, and chemical tanks. You can request the link through the OAS Free HMI Graphics page Siemens HMI Template Suite : Provides expertly designed templates and objects
for TIA Portal to speed up development and ensure a modern look for SIMATIC HMIs. Haiwell Standard Image Library : Includes specific icon packs for transformers, valves, reactors, and pumps , regularly updated as recently as April 2025. SVGHMI.pro : Features a modern SVG industrial widget library
with dedicated symbol packs for motors and other common hardware. General Purpose Icon & Vector Sites
If you need modern UI elements rather than specific industrial hardware, these sites offer high-quality HMI-compatible graphics: Hmi Vector Art, Icons, and Graphics for Free Download
Several reputable industrial automation companies offer free, high-quality HMI graphics libraries featuring SVGs, PNGs, and specialized symbols for manufacturing, HVAC, and process control. Recommended Free HMI Graphics Libraries Opto 22 SVG and GIF Library : A comprehensive collection of free SVGs, PNGs, and animated GIFs
. It includes field devices like pumps, valves, and motors, plus HVAC equipment and process sensors. Siemens SIMATIC HMI Template Suite
: Provides expert-designed templates and high-quality icons specifically for TIA Portal and WinCC projects. Open Automation Software (OAS) : Offers a library of common industry symbols for HVAC, water/waste water, and industrial applications
. Symbols are available in multiple colors (red, green, blue, etc.) and perspectives. LVGL (Light and Versatile Graphics Library) : An open-source embedded graphics library
for creating modern GUIs on microcontrollers (MCUs) and MPUs. It is highly portable and MIT licensed DIY Design & Customization Tools
If you want to "make a piece" from scratch or modify existing graphics: SIMATIC HMI Template Suite
"Free" does not mean "Public Domain."
When downloading from a free HMI graphics library, you must audit the license. There are three common types:
Warning: Never use icons scraped from Google Images. A "free trial" library often embeds watermarks that appear after 30 days, freezing your production line.