Compiliz

Free plan Web

What Compiliz is

Compiliz is a free browser-based compiler for writing, compiling, and running programs online. It supports Python 3.10, Java with OpenJDK 17, C++ with GCC, JavaScript, Go, Rust, PHP, C with GCC, and Ruby. The editor offers syntax highlighting, auto-completion, error detection, customizable themes, automatic saving, and session recovery. An interactive terminal streams output in real time and accepts input during execution. The Share button creates a unique URL, with shared code available for 30 days. Compiliz says programs run in isolated Docker containers that are destroyed after execution, with resource limits and security restrictions. No account is required, though the privacy policy says the service may temporarily store code snippets, collect basic usage data, and receive optional messages. Each execution allows 256MB of memory, 60 seconds, and 64KB of code. Custom packages cannot be installed at runtime. The maker describes Compiliz for students, teachers, interview candidates, developers, and competitive programmers.

Who it suits

Compiliz suits learners, teachers, interview candidates, developers, and competitive programmers who need a browser coding environment. It is useful when supported languages and short, self-contained runs are sufficient.

What it does well

Supports nine listed programming languages
Provides syntax highlighting and auto-completion
Streams terminal output and accepts input
Saves sessions automatically and supports recovery
No account is required

What to know first

Each run is limited to 256MB memory
Execution time is limited to 60 seconds
Code size is limited to 64KB
Runtime custom package installation is unavailable

Plans

Plan	Billed and limits	Price
Free	256MB memory per execution · maximum 60 seconds · code size up to 64KB · shared code available for 30 days · custom packages cannot be installed during runtime	Free

As compiliz.com lists them, read 11 Oct 2026. The maker's own page has the final word.

Verdict

Compiliz offers a no-account, browser-based environment with broad language support and interactive execution. Its strict runtime, memory, code-size, and package limits matter for larger projects.

Facts from Compiliz's own pages

Autosave: The editor has automatic saving and session recovery features. · compiliz.com, 11 Oct 2026
Code editor: The editor includes syntax highlighting, auto-completion, error detection, and customizable themes. · compiliz.com, 11 Oct 2026
Code sharing: The Share button creates a unique URL, and shared code is available for 30 days. · compiliz.com, 11 Oct 2026
Execution output: An interactive terminal provides real-time output streaming and input handling. · compiliz.com, 11 Oct 2026
Free plan: Yes · compiliz.com, 23 Sept 2026
Intended users: The maker describes Compiliz as useful for students, teachers, interview candidates, developers, and competitive programmers. · compiliz.com, 11 Oct 2026
Languages: The FAQ lists Python 3.10, Java with OpenJDK 17, C++ with GCC, JavaScript, Go, Rust, PHP, C with GCC, and Ruby. · compiliz.com, 11 Oct 2026
Packages and access limits: The FAQ says users cannot install custom packages at runtime and limits each execution to 256MB of memory, 60 seconds, and 64KB of code. · compiliz.com, 11 Oct 2026
Platforms: The maker describes Compiliz as browser-based and says it works on desktop, laptop, tablet, and mobile devices. · compiliz.com, 11 Oct 2026
Privacy: The privacy policy says the service does not require an account and may collect temporarily stored code snippets, basic usage data, and optional messages. · compiliz.com, 11 Oct 2026
Product: Compiliz is a free browser-based compiler for writing, compiling, and running code in multiple programming languages. · compiliz.com, 11 Oct 2026
Real-time collaboration: Yes · compiliz.com, 23 Sept 2026
Security: The maker says code runs in isolated Docker containers that are destroyed after execution, with resource limits and security restrictions. · compiliz.com, 11 Oct 2026
Sharing controls: link_access · compiliz.com, 23 Sept 2026
Support: The contact page offers a contact form, email, and live chat listed as available 24/7. · compiliz.com, 11 Oct 2026

Where Compiliz stands on Freedom251

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