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Delphi 10.4.2

Build Native Apps 5x Faster For
Windows, Android, iOS, macOS, and Linux

Deliver Applications for Windows, Android, iOS, macOS and Linux Faster and Smarter

Standing Girl With Laptop

Single Code Base

Create apps for all major platforms with less coding effort. Write once, compile everywhere

Windows 10 Applications

Modernize aging apps to support Windows 10 with up-to-date responsive controls and Windows Store support

Accessible Data

Connect to over 20 databases natively with FireDAC’s high speed direct access, including InterBase, SQLite, MySQL, SQL Server, Oracle, PostgreSQL, DB2, SQL Anywhere, Advantage DB, Firebird, Access, Informix, MongoDB and more

macOS and Linux Apps

Develop macOS and Linux applications quickly and easily with Delphi

Cloud Aware

Delphi has an HTTP and REST client library available on all platforms, to invoke REST services and even specific AWS and Azure components

Responsive UI

Create a single responsive platform-aware UI once and easily deploy across multiple platforms

Android and iOS

Prototype and build iOS and Android applications faster and smarter with the multi-device designer and live preview, and platform-aware and platform-native UI controls in the FireMonkey framework


Develop and expand the IDE with your own components and IDE plugins, or find ready to use add-ons from our rich third-party ecosystem.

Built to Help You Unleash The Power of Your Dreams

Design Beautiful Desktop and Mobile App UIs with Delphi

Delphi’s award-winning VCL framework for Windows and the FireMonkey (FMX) visual framework for cross-platform responsive UIs provide the foundation for intuitive, beautiful user experiences that wow on every platform: Windows, macOS, iOS, Android, and Linux

  • Rapidly design your master responsive UI layout once, then easily customize platform-and-device-specific views without duplicating design effort
  • Use the visual design menu to easily drag and drop visual and non-visual components from the palette
  • Connect user interface elements to data sources using the LiveBindings Designer
  • Validate designs in real time using Live On-Device Preview to broadcast the active form to multiple devices simultaneously
  • Build fully responsive designs with resolution-aware components for desktop, tablets, and smartphones
  • Deploy real, platform-specific native controls for an improved user experience

Smart Responsive Designing

Code Faster and Smarter with Delphi

Smart developers and Agile software teams write better code faster using modern OOP practices and RAD Studio’s robust frameworks and feature-rich IDE

  • Quicken lengthy compiles with highly optimized compilers for every platform
  • Utilize the powerful, versatile and easy-to-learn Object Pascal language and customize the IDE to meet your coding style
  • Use Code Insight™ for code completion via a modern Language Server Protocol based on your code while libraries help you code quickly and accurately
  • Get hints and tips from inline documentation as you code
  • Keep development agile with the VCL designer, Agile refactoring and Live Templates
  • Integrate with version control systems including Git, Subversion and Mercurial

Modern Developer Centric IDE

Debug Faster with Delphi's Integrated Native Debugging

Fix bugs faster with integrated cross-platform native debugging. Use the Delphi IDE to debug applications running remotely on Windows, macOS, iOS, Android and Linux!

  • Add conditional breakpoints to quickly pause program execution at a specified location or when a particular condition occurs
  • Explore the entire call stack to trace the route the executing code took to reach its location
  • Inspect the current value of variables while your program pauses during debugging
  • Keep Code Insight™ code completion running while debugging
  • Debug on any device! Deploy your app to any iOS, Android, macOS, or Linux device and debug as if it were running locally.
Conditional Breakpoints

Compile and Deploy High-Performance Native Apps with Delphi

Reach your users by creating apps for their preferred device. Create both desktop and mobile apps from one codebase with RAD Studio and deploy to Windows, macOS, iOS, Android and Linux!

  • Go from Ad Hoc to App Store fast. Rapidly produce application bundles that can be deployed to Windows Store (using Desktop bridge), Apple App Store and Google Play Store.
  • Define files to deploy by platform and build configuration. Identify within each project the files to deploy based on the target platform (Windows, macOS, Android, iOS, Linux) and build configurations for Debug or Release.
  • Easily deploy files directly to Windows, macOS, Android, iOS, and Linux from the Delphi IDE. Quickly deploy files to remote machines using Platform Assistant Server (PA Server)as single application instances.
Compile and Deploy

Improve the Quality of Your Code with Delphi

Faster development cycles don’t have to mean sacrificing quality! Delphi comes with many features that employ coding best practices, reduce duplication efforts, and help you become a rockstar coder!

  • Find coding errors automatically and solve them with Fast Error Insight
  • Use built-in refactoring to streamline, simplify and improve both the performance and readability of your application code
  • Leverage well-tested and highly optimized cross-platform libraries to build better code fast
  • Turn documentation into immediate in-line help for you and your team
  • Build unit tests for all of your code using the integrated DUnit and DUnitX frameworks
  • Dive into your project without interrupting the application flow by adding live log-in with CodeSite Logging

Code Quality

Collaborate Better with Delphi

Delphi’s collaboration and version control features will help you create better products faster, both as an independent developer or as part of a team. Code Collaboration drives deeper code understanding, better testing, and better products.

  • Track and manage changes quickly using version control systems including Subversion, Git and Mercurial repositories
  • Easily navigate changes and history using the history tab in the code viewer with the built-in difference viewer
  • Use Delphi command-line compilers ideal for quickly integrating into continuous build configurations using our support for MSBuild or CMake projects
Deep Source Code Repository Integration

Extend the Delphi IDE

Delphi comes with hundreds of components for every task, from creating user interfaces to database connectivity, enabling easy and fast builds for connected business applications on desktop and mobile platforms. In addition to the included VCL and FireMonkey components, a broad range of tools and components are available from the Delphi and C++Builder communities.

  • Easily connect to over 70+ Enterprise cloud services and APIs like Amazon DynamoDB, Google Sheets, Azure Cosmos DB, Salesforce, Slack, Jira, Microsoft Office 365, SurveyMonkey, YouTube, WordPress, Gmail, and many more with the Enterprise Connectors.
  • Use GetIt Package Manager to rapidly improve the functionality of your applications by downloading and integrating new components
  • Build for the Internet of Things with easy-to-use components
  • Extend the IDE with tools and components from Embarcadero Technology Partners
  • Employ powerful integrated tools and components like Beyond Compare, FastReport, TeeChart, InterBase, IP*Works, and CodeSight!
  • Extend the IDE even further with addons and plugins from dozens of third parties and customize the IDE to work your way
GetIt Package Manager

Download RAD Studio Feature Matrix

Delphi 10.4.2 is here! Discover The New Release

Trusted by Over Three Million Developers Worldwide

The Fastest Way to Build Responsive Native Applications on Multiple Platforms

Trusted for more than 25 years, modern Delphi is the preferred choice of Object Pascal developers worldwide for creating blazingly fast high-performance pass across devices.

The Delphi IDE supports you through the full development lifecycle to deliver a single source codebase that you simply recompile and redeploy.

Using a single easy-to-write, easy-to-update codebase, IDE tools quickly compile native code for multiple platforms while enabling unprecedented productivity with instant code completion, faster coding with managed records, and enhanced parallel processing on modern multi-core CPUs.

RAD Studio 10.4.2

Learn More on the Embarcadero Blog


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