Brainfuck Decoder

Decode and execute brainfuck code instantly with this online interpreter

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5,452+

Total Calculations Run

< 15ms

Browser Execution Speed

100%

Client-Side Privacy

4.9 / 5.0

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Worked Example & Common Values

Below is a sample worked calculation demonstrating how Brainfuck Decoder processes input data instantly inside your browser.

Sample Input Minified string: {"id":1,"status":"active","roles":["admin"]}

Computed Result

{
  "id": 1,
  "status": "active",
  "roles": [
    "admin"
  ]
}

Execution Mode Client-Side In-Browser JS

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About This Tool

This brainfuck decoder tool allows you to input brainfuck code and see the decoded output in real-time. Brainfuck is an esoteric programming language with only 8 commands. Our interpreter supports the full brainfuck specification including input/output operations, memory manipulation, and loops. Simply paste your brainfuck code, click decode, and see the results immediately.

Save your calculation history with a free account

How to Use

Paste your brainfuck code into the input text area
Click the 'Decode Brainfuck' button to execute the code
View the decoded output in the results section below
For complex programs, you can also provide input characters when prompted

Frequently Asked Questions

Find Quick Answers

What is brainfuck?

Brainfuck is an esoteric programming language created in 1993 by Urban Müller. It consists of only 8 commands and is known for its minimalism and difficulty to read/write.

What brainfuck commands does this decoder support?

It supports all 8 standard brainfuck commands: > (increment pointer), < (decrement pointer), + (increment byte), - (decrement byte), . (output), , (input), [ (start loop), ] (end loop).

Is there a limit to the brainfuck code length?

There's no strict limit, but extremely long programs may cause performance issues. The interpreter has a 30,000 cell memory tape by default.

Can I provide input to my brainfuck program?

Yes, when your brainfuck code uses the ',' (input) command, you'll be prompted to enter input characters as needed during execution.

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