Programiz alternative
A Programiz alternative for running code online
OnlineCompiler.io runs 46 languages free and adds share links, test cases, an API and a widget for teachers. Its input is typed before you press Run, with no prompts while the program runs. Programiz is better for learning a language from scratch, and its Visualize button has no equivalent here. This page compares the two as they stood on 6 Nov 2026.
By the OnlineCompiler.io team. Updated . We make OnlineCompiler.io, so we're one of the options here. Every competitor figure links to the vendor's own page, and we say where our API falls short.
When should you stay with Programiz?
Stay with Programiz if you are learning a language from scratch and want lessons next to the editor, if you want its Visualize button to step through code, or if you want an HTML/CSS compiler. Switch to OnlineCompiler.io, or use it alongside, when you want to run a language Programiz does not list on its compiler pages, keep a share link for 90 days, check a program against test cases, or build exercises into your own pages. You can use both: one to learn, one to run.
What does Programiz do well?
All of this is from Programiz's own pages, read on 6 Nov 2026.
- Lessons. Its home page lists tutorials for Python, JavaScript, SQL, Java, C, C++ and more, 17 subjects in all (its home page counts DSA among them). This is the main reason to go there, and we have nothing like it.
- Compilers for 18 languages. Its online compiler page links 18, including HTML/CSS, and the home page says "20+" and "No installation or sign up needed".
- Visualize. Its Python compiler page describes a Visualize button that steps through code line by line. This site has no debugger or step-through view.
- Paid courses. Programiz PRO sells courses with projects, an AI helper and certificates; its page showed no regular price that day.
How is OnlineCompiler.io different?
- 46 languages. Programiz's compiler pages list 18 (its home page says 20+ but names 18). Here you can also run Fortran, COBOL, Haskell, F#, Julia, Pascal, Lua, OCaml, Elixir, Zig and Bash, each at its current version. The online compiler page lists them all.
- Share links kept 90 days. Share makes a link anyone can open and run, with no account; Save keeps code in a free account.
- Test cases. The online compiler with test cases marks each input passed or failed, which helps with exercises and practice problems.
- For teachers. The embeddable code editor puts runnable examples in your own lesson pages, and the API runs the same languages from your tools. A free account covers 100,000 runs a month.
- Input is typed first. Put every answer in the Input tab, then press Run, rather than answering prompts as they appear.
- Limits. A run can last 30 seconds with 512 MB of memory and no network.
Programiz and OnlineCompiler.io side by side
| Programiz | OnlineCompiler.io | |
|---|---|---|
| Lessons and tutorials | Yes, tutorials on 17 subjects, plus paid PRO courses | No. Guides for specific tasks only |
| Languages to run | 18 in the compiler menu | 46 |
| Step-through view | Yes, Visualize | No |
| HTML/CSS | An HTML/CSS compiler | No HTML preview |
| Sign-in to run | Not needed, its home page says | Not needed |
| Input to the program | Not described on the pages read | Yes, typed in the Input tab before Run, with no prompts while it runs |
| Share link | Yes, Copy Link | Yes, kept 90 days |
| Test cases | Not described on the pages read | Yes |
| API or widget for your own site | None documented on the pages read | API and widget |
Where a cell says "not described", the page did not mention it; it may still exist, so try it before you decide.
For a class that puts the widget in its own page, a free widget key takes 30 runs a minute and 8 waiting at once across all your students. A class pressing Run in the same moment can go over that; those students see a message and can press Run again a few seconds later. The pricing page lists the paid plans' limits.
Where do I start?
Open the Python, Java or C++ online compiler, or pick any of the 46 on the online compiler page.
Frequently asked questions
Is OnlineCompiler.io a good Programiz alternative?
For running code, yes: 46 languages, share links kept 90 days, test cases and an API. For learning a language from scratch, Programiz's tutorials are better, and its Visualize button, which steps through code line by line, is something this site does not have.
Do I need to sign in?
No. You can run code and open share links without an account, and Programiz's home page says it needs no sign up either. An account is needed only for Save. Links made without an account last 90 days.
Which languages does OnlineCompiler.io have that Programiz does not list on its compiler pages?
Programiz's compiler pages list 18 languages; its home page says 20+ but names 18 (checked 6 Nov 2026). This site has 46, including Fortran, COBOL, Haskell, F#, Julia, Pascal, Lua, OCaml, Elixir, Zig and Bash. It has no HTML preview, and Programiz's pages show an HTML/CSS compiler.
Can I check my answer against test cases?
Yes. The online compiler with test cases runs your program against several inputs and marks each one passed or failed.
I teach. Can I put a compiler in my own lesson page?
Yes. The widget puts an editable, runnable example in your page, and the API runs code from your own tools. Both are free up to 100,000 runs a month, with no credit card. On the free plan, a widget key takes 30 runs a minute and 8 waiting at once across all your students; a class pressing Run in the same moment can go over that, and those students can press Run again a few seconds later.