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• BASIC & QBASIC Overview

Online Basic Interpreter

Write and run BASIC programs in your browser! Our web-based BASIC interpreter has support for most QBASIC features. This makes it easy to learn BASIC online, and run your favorite programs.

New to BASIC? See our Learn Basic page.

Current Features

• input / print
• for loops
• integer (default) or string (name ending with $) variables
• conditionals (if COND then STATEMENT)

Coming soon:

• Arrays
• ELSE, optional clause for IF

print "fibonacci calculator"
REM variables are integers by default, but
REM variables ending with $ are strings.
input "enter your name: " name$
print "hello " name$
input "enter a number: " number
let a = 0
let b = 1
let c = 1
for i = 0 to number
    a = b
    b = c
    c = a + b
    print c
next