Swift Compiler
Compile Swift code for iOS/macOS development with modern language features.
Source
stdin (optional)
Output
Code is sent to this site's runner service (Piston API) for compilation and execution. Avoid pasting secrets.
How it works
- Paste source code and optional stdin, then click Run.
- This site forwards your snippet to a public compile/run service (Piston API) and shows stdout/stderr here.
Other tools in this category
Node.js Runtime
Execute Node.js JavaScript code with npm modules support and instant console output.
C Compiler
Write and compile C programs with full standard library support for procedural programming.
x86 Assembly Assembler
Assemble and execute x86-64 NASM assembly code for low-level system programming.
JS Editor
Lightweight JavaScript editor with instant execution and copy functionality.
Paiza.IO
Japanese-friendly online coding judge with templates and community features.
Jsitor
Mobile-friendly JavaScript/HTML/CSS editor perfect for experiments on any device.
Replit
Full-featured cloud IDE with multi-language support, hosting, and real-time collaboration.
CodeSandbox
Instant dev environment for web projects with GitHub import, npm modules, and team features.