HTML Minifier - Minify HTML Online

Use our free HTML Minifier to quickly compress and optimize your HTML code. Reduce file size, improve page load speed, and remove unnecessary whitespace in one click.

Tags: compress code html minify code

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Practice Python with coding challenges

Solve hands-on problems right in this editor: run the sample tests, submit, and get an AI code review.

All Python challenges
Easy

Average of Three

Average three whole numbers.

You'll learn ArithmeticDivision
BeginnerLearning-pathVariables
Easy

Rectangle Perimeter

Compute the perimeter of a rectangle from its sides.

You'll learn ArithmeticReturn values
BeginnerLearning-pathVariables
Medium

One Generation of a Genetic Algorithm

Breed the next generation of bit strings with tournament selection, single-point crossover and mutation.

You'll learn Genetic algorithmsEvolutionary search
OptimizationSimulationai
No solutions yet
Easy

Epsilon-Greedy Multi-Armed Bandit

Balance exploration and exploitation on a multi-armed bandit with epsilon-greedy action selection.

You'll learn Explore vs exploitBandits
Reinforcement learningaimachine learning
No solutions yet
Easy

Markov Chain State Distribution

Propagate a probability distribution through a Markov chain's transition matrix for a number of steps.

You'll learn Markov chainsProbability
Simulationaimath
No solutions yet
Medium

Value Iteration

Compute how valuable each state of a Markov decision process is by repeatedly applying the Bellman optimality update.

You'll learn Bellman equationMDPs
Reinforcement learningaimachine learning
No solutions yet
Medium

Q-Learning Updates

Apply the Q-learning update to a stream of experiences and watch rewards flow back to earlier states.

You'll learn Q-learningDiscounted rewards
Reinforcement learningaimachine learning
No solutions yet
Medium

Alpha-Beta Pruning

Evaluate a game tree with minimax and alpha-beta pruning, and count how many leaves the search really looks at.

You'll learn Alpha-beta pruningGame search
RecursionTreesai
No solutions yet
Medium

Minimax Tic-Tac-Toe

Pick the perfect tic-tac-toe move by searching the whole game tree with minimax.

You'll learn MinimaxGame trees
Recursionai
No solutions yet
Medium

A* Search on a Weighted Grid

Find the cheapest path across a grid of terrain costs with A*, the search algorithm behind game and robot pathfinding.

You'll learn A* searchHeuristics
GraphsGridsShortest-pathai
No solutions yet
Medium

Temperature and Top-K Sampling

Choose the next token like a language model does: keep the top k logits, apply temperature, and sample.

You'll learn Text generationSampling
aimachine learning
No solutions yet
Hard

Multi-Head Self-Attention

Project the input into queries, keys and values, run attention in several heads in parallel, and combine them.

You'll learn Multi-head attentionMatrix projections
aimachine learning
No solutions yet

Introduction

This online HTML minifier tool helps you compress and optimize your HTML code quickly and easily. It’s perfect for reducing file size, improving website performance, and making your code cleaner.

How to Use This Tool

  1. Paste your HTML code directly into the editor or type it in.
  2. Click the Minify button to compress your HTML code.
  3. After minifying, you can:
    • Download the optimized result.
    • Save or share it using a unique link.
    • Sign in with Google or GitHub to save your minified code for future use.

What is HTML?

HTML (Hypertext Markup Language) is the standard language used to create and structure web pages and applications. It allows developers to organize content into sections, paragraphs, headings, links, images, and more.

While HTML is not a programming language and cannot create dynamic functionality, it provides the foundation for web page structure and formatting, much like a word processor organizes a document.

Learn more about HTML from this HTML guide .

HTML Syntax

      
<html
<!doctype html>
<html lang="en">
  <head>
    <title>Hello World!</title>
  </head>
  <body>
    <div id="content">
      <h1 class="title">Hello World!</h1>
    </div>
  </body>
</html>
      
    

What is Minification?

Minification is the process of minimizing code and markup in your web pages and script files. It’s one of the main methods used to reduce load times and bandwidth usage on websites. Minification dramatically improves site speed and accessibility, directly translating into a better user experience. It’s also beneficial to users accessing your website through a limited data plan and who would like to save on their bandwidth usage while surfing the web.

Why minify HTML?

When creating HTML developers tend to use spacing, comments and well-named variables to make code and markup readable for themselves. It also helps others who might later work on the assets. While this is a plus in the development phase, it becomes a negative when it comes to serving your pages. Web servers and browsers can parse file content without comments and well-structured code, both of which create additional network traffic without providing any functional benefit.

To minify HTML files, comments and extra spaces need to be removed, as well as crunch variable names so as to minimize code and reduce file size. The minified file version provides the same functionality while reducing the bandwidth of network requests.

Examples

Before minified

      
<html
    style="color: green">
    <!-- this is a comment -->
    <head>
        <title>Mixed HTML Example</title>
        <style>
            h1 {
                font-family: comic sans;
                color: #f0f;
            }
            div {
                background: yellow !important;
            }
            body {
                max-width: 50em;
                margin: 1em 2em 1em 5em;
            }
        </style>
    </head>
    <body>
        <h1>Mixed HTML Example</h1>
        <script>
            function jsFunc(arg1, arg2) {
                if (arg1 && arg2)
                    document.body.innerHTML = "achoo";

            }
        </script>
    </body>
</html>
      
    

After minified

      
<html style="color: green"> <head><title>Mixed HTML Example</title><style>h1{font-family:comic sans;color:#f0f;}div{background:yellow !important;}body{max-width:50em;margin:1em 2em 1em 5em;}</style></head><body><h1>Mixed HTML Example</h1><script>function jsFunc(arg1,arg2){if(arg1&&arg2)document.body.innerHTML="achoo";}</script></body></html>