Screen Recorder
00:00
Here’s a complete responsive screen recorder implementation with HTML, CSS, and JavaScript. It includes features like start/stop recording, display of recording time, and the ability to save the recorded video. You can use it…
HTML Code
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Screen Recorder</title>
<link data-asynced="1" as="style" onload="this.onload=null;this.rel='stylesheet'" rel="preload" href="styles.css">
</head>
<body>
<div class="container">
<h1>Screen Recorder</h1>
<div id="recordingControls">
<button id="startButton">Start Recording</button>
<button id="stopButton" disabled>Stop Recording</button>
<button id="downloadButton" disabled>Download</button>
</div>
<div id="timer">
<span id="time">00:00</span>
</div>
<video id="preview" controls></video>
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</html>
CSS (styles.css):
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
body {
font-family: Arial, sans-serif;
background-color: #f5f5f5;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
}
.container {
text-align: center;
width: 90%;
max-width: 600px;
background: #fff;
border-radius: 8px;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
padding: 20px;
}
h1 {
margin-bottom: 20px;
font-size: 24px;
}
#recordingControls button {
padding: 10px 20px;
font-size: 16px;
margin: 10px;
cursor: pointer;
border: none;
border-radius: 5px;
background-color: #4CAF50;
color: white;
transition: background-color 0.3s;
}
#recordingControls button:disabled {
background-color: #ccc;
cursor: not-allowed;
}
#recordingControls button:hover:not(:disabled) {
background-color: #45a049;
}
#timer {
font-size: 24px;
margin-top: 20px;
font-weight: bold;
}
video {
width: 100%;
max-height: 300px;
margin-top: 20px;
border-radius: 8px;
}
JavaScript (script.js):
let startButton = document.getElementById('startButton');
let stopButton = document.getElementById('stopButton');
let downloadButton = document.getElementById('downloadButton');
let timerDisplay = document.getElementById('time');
let preview = document.getElementById('preview');
let mediaRecorder;
let recordedChunks = [];
let recordingInterval;
let timeElapsed = 0;
startButton.addEventListener('click', startRecording);
stopButton.addEventListener('click', stopRecording);
downloadButton.addEventListener('click', downloadVideo);
async function startRecording() {
try {
// Request access to screen
const stream = await navigator.mediaDevices.getDisplayMedia({
video: true
});
// Initialize the media recorder with the stream
mediaRecorder = new MediaRecorder(stream);
// Collect chunks of video during recording
mediaRecorder.ondataavailable = event => {
recordedChunks.push(event.data);
};
// Stop recording and save the video
mediaRecorder.onstop = () => {
const blob = new Blob(recordedChunks, {
type: 'video/webm'
});
const videoURL = URL.createObjectURL(blob);
preview.src = videoURL;
preview.style.display = 'block';
downloadButton.disabled = false;
};
// Start the media recorder
mediaRecorder.start();
// Enable the stop button and disable start button
startButton.disabled = true;
stopButton.disabled = false;
// Start the timer
startTimer();
} catch (err) {
console.error("Error accessing screen: ", err);
}
}
function startTimer() {
recordingInterval = setInterval(() => {
timeElapsed++;
let minutes = Math.floor(timeElapsed / 60);
let seconds = timeElapsed % 60;
timerDisplay.textContent = `${formatTime(minutes)}:${formatTime(seconds)}`;
}, 1000);
}
function stopTimer() {
clearInterval(recordingInterval);
}
function formatTime(time) {
return time < 10 ? `0${time}` : time;
}
function stopRecording() {
mediaRecorder.stop();
stopTimer();
// Disable stop button and enable start button
startButton.disabled = false;
stopButton.disabled = true;
}
function downloadVideo() {
const blob = new Blob(recordedChunks, {
type: 'video/webm'
});
const link = document.createElement('a');
link.href = URL.createObjectURL(blob);
link.download = 'screen-recording.webm';
link.click();
downloadButton.disabled = true;
}
