Introducing PLAIN Language v1.0

Code in
Plain English.

A programming language that reads like sentences.
No brackets. No semicolons. No cryptic symbols.

greeting.plain

-- Greet students from a list
create list names
add "Parth" to names
add "Vedant" to names
add "Priya" to names

for each student in names
  say "Hello, " + student + "!"
end

say "Total: " + count of names

Output

Hello, Parth!

Hello, Vedant!

Hello, Priya!

Total: 3

15+Commands

8Examples

ZeroSyntax noise

Why PLAIN?

Designed for humans,
not compilers.

💬

Reads like English

Every command is a natural sentence. If you can describe what you want, you can code it.

⚡

Instant Feedback

Run code directly in the browser. No setup, no compilation, no waiting.

📊

Built-in Tables

Spreadsheet-style data tables are a first-class feature. Perfect for data work.

🌐

Web Requests

Fetch data from any URL with a single fetch command. No libraries needed.

🔁

Full Control Flow

Conditions, loops, and functions — all expressed in plain words.

📦

npm & CLI

Run .plain files anywhere with the CLI. Install via npm in seconds.

Get Started

Install in seconds.

Install via npm

$ npm install -g plain-lang Copy

Create a .plain file

$ echo 'say "Hello, world!"' > hello.plain Copy

Run it!

$ plain hello.plain Copy

Or just — no install needed.

untitled.plain

Ln 1, Col 1

Output Ready

▶

Press Run Program or Ctrl+Enter

PLAIN Language Guide

A programming language that reads like giving instructions to an assistant. Every command is a sentence.

Variables — store information

set name to "Parth"
set age to 19
set price to 299.99
say "Hello, " + name     -- joins text
say age + 1              -- does math

Output & Input

say "Good morning!"
say "Your score is: " + score
ask "What is your name?" and store in name
say "Hi, " + name

Math & Calculations

calculate 10 + 5 * 2 and store in result
set area to width * height
set tax to price * 0.18
-- operators: + - * / ^ (power) % (remainder)

Conditions

if age >= 18 then
  say "You are an adult"
otherwise if age >= 13 then
  say "You are a teenager"
otherwise
  say "You are a child"
end
-- comparisons: = != > < >= <=
-- combine with: and, or, not

Loops

repeat 5 times
  say "Hello!"
end

count from 1 to 10 as i
  say "Number: " + i
end

for each item in myList
  say item
end

Lists

create list fruits
add "apple" to fruits
add "mango" to fruits
say "Total: " + count of fruits
say item 1 in fruits      -- first item

Functions (reusable steps)

define step greet with name
  say "Hello, " + name + "!"
end step

define step add_numbers with a, b
  give back a + b
end step

run step greet with "Parth"
set total to run step add_numbers with 10, 20
say total

Data Tables

create table students
add row "Parth", 95, "A" to students
set headers of students to "Name", "Score", "Grade"
show table students

Web Requests

fetch "https://api.example.com/data" and store in result
say result

Comments

-- This is a comment, it doesn't run
say "This runs"   -- inline comment too

Other Commands

wait 2      -- pause for 2 seconds
stop        -- stop the program immediately

Code in Plain English.

Designed for humans,not compilers.

Reads like English

Instant Feedback

Built-in Tables

Web Requests

Full Control Flow

npm & CLI

Install in seconds.

PLAIN Language Guide

Variables — store information

Output & Input

Math & Calculations

Conditions

Loops

Lists

Functions (reusable steps)

Data Tables

Web Requests

Comments

Other Commands

Code in
Plain English.

Designed for humans,
not compilers.