DastanGou Free Tools
Boost Your Productivity
Access our complete suite of professional tools to analyze, optimize and enhance your digital experience
Currency Converter
Convert between different currencies with real-time exchange rates. Accurate and fast results for international transactions.
US Dollar (USD)
Euro (EUR)
British Pound (GBP)
Japanese Yen (JPY)
Pakistani Rupee (PKR)
Saudi Riyal (SAR)
UAE Dirham (AED)
US Dollar (USD)
Euro (EUR)
British Pound (GBP)
Japanese Yen (JPY)
Pakistani Rupee (PKR)
Saudi Riyal (SAR)
UAE Dirham (AED)
Time Zone Converter
Convert time between different time zones worldwide. Perfect for international meetings and scheduling.
UTC
Eastern Time (EST)
Pacific Time (PST)
Greenwich Mean Time (GMT)
Pakistan Standard Time (PKT)
India Standard Time (IST)
China Standard Time (CST)
UTC
Eastern Time (EST)
Pacific Time (PST)
Greenwich Mean Time (GMT)
Pakistan Standard Time (PKT)
India Standard Time (IST)
China Standard Time (CST)
Image Resizer
Resize your images to fit different platforms. Maintain quality while adjusting dimensions.
QR Code Generator
Create QR codes for your text, URLs, or contact information. Fast and easy generation.
Small (150×150)
Medium (250×250)
Large (350×350)
Text to Speech
Convert your text to speech. Multiple languages and voice options available.
English (US)
English (UK)
Urdu (Pakistan)
Arabic (Saudi)
Color Picker
Select colors, get their codes, and create harmonious color schemes for your designs.
HEX
RGB
HSL
Harmonious Colors:
File Format Converter
Convert images, documents, and other files between different formats easily.
JPG
PNG
WebP
GIF
PDF
TXT
Mortgage Calculator
Calculate your monthly mortgage payment, total interest, and payoff date for home loans.
Total Payment: 0
Total Interest: 0
Payoff Date: –
Random Number Generator
Generate random numbers within a specified range. Useful for lotteries, games, and experiments.
Internet Speed Test
Measure your internet connection’s download and upload speeds with our accurate speed test.
Auto Select
United States
Europe
Asia
Middle East
Download Speed
Upload Speed
DastanGou Free Tools: Your Ultimate Online Toolkit
In today’s digital world, having access to reliable online tools can significantly boost your productivity and efficiency. DastanGou Free Tools offers a comprehensive collection of professional-grade utilities designed to meet the needs of developers, designers, content creators, and everyday internet users.
Why Choose DastanGou Free Tools?
Our platform stands out from other free tool websites with several key advantages:
- Completely Free: All tools are available without any cost or hidden fees
- User-Friendly Interface: Clean, intuitive design that’s easy to navigate
- No Registration Required: Use our tools immediately without creating an account
- Privacy-Focused: Your data remains secure and private
- Regular Updates: We continuously improve and add new tools
Featured Tools Overview
Currency Converter: Our real-time currency converter supports all major world currencies with accurate exchange rates. Perfect for travelers, international businesses, and anyone dealing with foreign transactions.
Time Zone Converter: Schedule international meetings with confidence using our time zone converter. It accurately converts time across different regions, accounting for daylight saving changes.
Image Resizer: Optimize images for social media, websites, or documents with our easy-to-use image resizer. Maintain image quality while adjusting dimensions to fit your requirements.
QR Code Generator: Create custom QR codes for websites, contact information, or any text content. Our generator produces high-quality QR codes that scan perfectly every time.
Text to Speech: Convert written content to audio with our advanced text-to-speech tool. Choose from multiple languages and voice options to create natural-sounding speech.
Color Picker: Designers and developers will love our comprehensive color picker. Get color codes in multiple formats and discover harmonious color schemes for your projects.
File Format Converter: Convert between different file formats effortlessly. Our tool supports various image and document formats, making file compatibility issues a thing of the past.
Mortgage Calculator: Plan your home purchase with our detailed mortgage calculator. Get accurate monthly payment estimates, total interest calculations, and payoff dates.
Random Number Generator: Generate random numbers for games, lotteries, or statistical purposes. Customize the range and quantity to meet your specific needs.
Internet Speed Test: Check your connection quality with our reliable speed test. Measure download and upload speeds to ensure optimal internet performance.
Benefits for Different User Groups
For Developers: Our tools help with color selection, unit conversions, and code-related utilities that streamline the development process.
For Designers: Access color tools, image utilities, and design helpers that enhance creativity and workflow efficiency.
For Content Creators: Use our text tools, image utilities, and conversion tools to create better content faster.
For Students: Our calculators, converters, and utility tools support academic work and research projects.
For Business Professionals: Currency conversion, time zone management, and document tools that support international business operations.
Our Commitment to Quality
At DastanGou Free Tools, we’re committed to providing reliable, accurate tools that you can depend on. All our utilities undergo rigorous testing to ensure they deliver precise results. We regularly update our tools to incorporate user feedback and implement the latest web technologies.
Whether you’re a professional needing quick access to specialized tools or a casual user looking for convenient online utilities, DastanGou Free Tools has something for everyone. Bookmark our site and make it your go-to resource for all your online tool needs.
Experience the difference that professional-grade free tools can make in your digital workflow. Try DastanGou Free Tools today and discover how we can help you work smarter, not harder.
// Theme switching functionality
document.querySelectorAll(‘.theme-color’).forEach(color => {
color.addEventListener(‘click’, function() {
const theme = this.getAttribute(‘data-theme’);
document.body.className = theme;
});
});
// TTS Rate slider
const ttsRate = document.getElementById(‘ttsRate’);
const rateValue = document.getElementById(‘rateValue’);
ttsRate.addEventListener(‘input’, function() {
rateValue.textContent = this.value;
});
// Tool Functions
// Currency Converter
function convertCurrency() {
const amount = parseFloat(document.getElementById(‘currencyAmount’).value);
const from = document.getElementById(‘currencyFrom’).value;
const to = document.getElementById(‘currencyTo’).value;
if (isNaN(amount) || amount <= 0) {
alert('Please enter a valid amount');
return;
}
// Simulated exchange rates (in a real app, you would fetch these from an API)
const rates = {
USD: { EUR: 0.85, GBP: 0.73, JPY: 110.5, PKR: 175.5, SAR: 3.75, AED: 3.67 },
EUR: { USD: 1.18, GBP: 0.86, JPY: 130.2, PKR: 206.5, SAR: 4.42, AED: 4.32 },
GBP: { USD: 1.37, EUR: 1.16, JPY: 151.3, PKR: 240.0, SAR: 5.14, AED: 5.03 },
JPY: { USD: 0.0091, EUR: 0.0077, GBP: 0.0066, PKR: 1.59, SAR: 0.034, AED: 0.033 },
PKR: { USD: 0.0057, EUR: 0.0048, GBP: 0.0042, JPY: 0.63, SAR: 0.021, AED: 0.021 },
SAR: { USD: 0.27, EUR: 0.23, GBP: 0.19, JPY: 29.4, PKR: 46.7, AED: 0.98 },
AED: { USD: 0.27, EUR: 0.23, GBP: 0.20, JPY: 30.1, PKR: 47.8, SAR: 1.02 }
};
let result;
if (from === to) {
result = amount;
} else {
result = amount * rates[from][to];
}
document.getElementById('currencyResult').textContent = `${result.toFixed(2)} ${to}`;
document.getElementById('currencyExplanation').textContent =
`${amount} ${from} = ${result.toFixed(2)} ${to}`;
document.getElementById('currencyResults').classList.add('show');
}
// Time Zone Converter
function convertTimeZone() {
const fromZone = document.getElementById('timeFrom').value;
const toZone = document.getElementById('timeTo').value;
const timeInput = document.getElementById('timeInput').value;
if (!timeInput) {
alert('Please enter a time');
return;
}
// Simulated time zone offsets (in hours)
const offsets = {
UTC: 0,
EST: -5,
PST: -8,
GMT: 0,
PKT: 5,
IST: 5.5,
CST: 8
};
const [hours, minutes] = timeInput.split(':').map(Number);
const fromOffset = offsets[fromZone];
const toOffset = offsets[toZone];
// Convert to UTC first
let utcHours = hours – fromOffset;
if (utcHours = 24) utcHours -= 24;
// Convert from UTC to target timezone
let resultHours = utcHours + toOffset;
if (resultHours = 24) resultHours -= 24;
const resultTime = `${Math.floor(resultHours).toString().padStart(2, ‘0’)}:${minutes.toString().padStart(2, ‘0’)}`;
document.getElementById(‘timeResult’).textContent = resultTime;
document.getElementById(‘timeExplanation’).textContent =
`${timeInput} ${fromZone} = ${resultTime} ${toZone}`;
document.getElementById(‘timeResults’).classList.add(‘show’);
}
// Image Resizer
function resizeImage() {
const fileInput = document.getElementById(‘imageUpload’);
const width = parseInt(document.getElementById(‘imageWidth’).value);
const height = parseInt(document.getElementById(‘imageHeight’).value);
if (!fileInput.files[0]) {
alert(‘Please upload an image’);
return;
}
if (isNaN(width) || isNaN(height) || width <= 0 || height <= 0) {
alert('Please enter valid dimensions');
return;
}
const file = fileInput.files[0];
const reader = new FileReader();
reader.onload = function(e) {
const img = new Image();
img.onload = function() {
// Create a canvas to resize the image
const canvas = document.createElement('canvas');
canvas.width = width;
canvas.height = height;
const ctx = canvas.getContext('2d');
ctx.drawImage(img, 0, 0, width, height);
const resizedImageUrl = canvas.toDataURL('image/jpeg');
document.getElementById('imagePreview').innerHTML =
``;
document.getElementById(‘imageInfo’).textContent =
`Original size: ${img.width} x ${img.height} | New size: ${width} x ${height}`;
// Store the resized image URL for download
document.getElementById(‘imageResults’).dataset.resizedUrl = resizedImageUrl;
document.getElementById(‘imageResults’).classList.add(‘show’);
};
img.src = e.target.result;
};
reader.readAsDataURL(file);
}
function downloadImage() {
const resizedUrl = document.getElementById(‘imageResults’).dataset.resizedUrl;
if (!resizedUrl) {
alert(‘No image available’);
return;
}
const a = document.createElement(‘a’);
a.href = resizedUrl;
a.download = ‘resized-image.jpg’;
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
}
// QR Code Generator
function generateQRCode() {
const content = document.getElementById(‘qrContent’).value;
const size = document.getElementById(‘qrSize’).value;
if (!content) {
alert(‘Please enter QR code content’);
return;
}
// In a real app, you would use a QR code library
// For this demo, we’ll create a simple representation
const qrContainer = document.getElementById(‘qrCodePreview’);
qrContainer.innerHTML = `
QR Code Preview
`;
document.getElementById(‘qrInfo’).textContent =
`Content: ${content.length > 50 ? content.substring(0, 50) + ‘…’ : content} | Size: ${size}x${size} pixels`;
// Store QR code data for download
document.getElementById(‘qrResults’).dataset.qrContent = content;
document.getElementById(‘qrResults’).classList.add(‘show’);
}
function downloadQRCode() {
const content = document.getElementById(‘qrResults’).dataset.qrContent;
if (!content) {
alert(‘No QR code available’);
return;
}
alert(`In a real application, the QR code would download for: ${content}`);
}
// Text to Speech
function textToSpeech() {
const text = document.getElementById(‘ttsText’).value;
const language = document.getElementById(‘ttsLanguage’).value;
const rate = parseFloat(document.getElementById(‘ttsRate’).value);
if (!text) {
alert(‘Please enter text for speech’);
return;
}
// Check if browser supports speech synthesis
if (!(‘speechSynthesis’ in window)) {
alert(‘Your browser does not support text to speech’);
return;
}
// Stop any ongoing speech
window.speechSynthesis.cancel();
// Create a new speech instance
const utterance = new SpeechSynthesisUtterance(text);
utterance.lang = language;
utterance.rate = rate;
utterance.onstart = function() {
document.getElementById(‘ttsStatus’).textContent = ‘Speech playing…’;
document.getElementById(‘ttsStatus’).style.color = ‘green’;
};
utterance.onend = function() {
document.getElementById(‘ttsStatus’).textContent = ‘Speech completed’;
document.getElementById(‘ttsStatus’).style.color = ‘blue’;
};
utterance.onerror = function(event) {
document.getElementById(‘ttsStatus’).textContent = ‘Speech error: ‘ + event.error;
document.getElementById(‘ttsStatus’).style.color = ‘red’;
};
// Start speech
window.speechSynthesis.speak(utterance);
document.getElementById(‘ttsResults’).classList.add(‘show’);
}
function stopSpeech() {
window.speechSynthesis.cancel();
document.getElementById(‘ttsStatus’).textContent = ‘Speech stopped’;
document.getElementById(‘ttsStatus’).style.color = ‘orange’;
}
// Color Picker
function getColorInfo() {
const color = document.getElementById(‘colorPicker’).value;
const format = document.getElementById(‘colorFormat’).value;
// Convert hex to RGB
const r = parseInt(color.substr(1, 2), 16);
const g = parseInt(color.substr(3, 2), 16);
const b = parseInt(color.substr(5, 2), 16);
// Convert RGB to HSL
const rNormalized = r / 255;
const gNormalized = g / 255;
const bNormalized = b / 255;
const max = Math.max(rNormalized, gNormalized, bNormalized);
const min = Math.min(rNormalized, gNormalized, bNormalized);
let h, s, l = (max + min) / 2;
if (max === min) {
h = s = 0; // achromatic
} else {
const d = max – min;
s = l > 0.5 ? d / (2 – max – min) : d / (max + min);
switch (max) {
case rNormalized: h = (gNormalized – bNormalized) / d + (gNormalized {
el.style.backgroundColor = harmonyColors[index];
});
document.getElementById(‘colorResults’).classList.add(‘show’);
}
// File Format Converter
function convertFileFormat() {
const fileInput = document.getElementById(‘fileUpload’);
const format = document.getElementById(‘fileFormat’).value;
if (!fileInput.files[0]) {
alert(‘Please upload a file’);
return;
}
const file = fileInput.files[0];
const fileName = file.name;
const fileSize = (file.size / 1024).toFixed(2);
document.getElementById(‘fileInfo’).textContent =
`Original file: ${fileName} (${fileSize} KB) | New format: ${format.toUpperCase()}`;
// Store file info for download
document.getElementById(‘fileResults’).dataset.fileName = fileName;
document.getElementById(‘fileResults’).dataset.fileFormat = format;
document.getElementById(‘fileResults’).classList.add(‘show’);
}
function downloadConvertedFile() {
const fileName = document.getElementById(‘fileResults’).dataset.fileName;
const format = document.getElementById(‘fileResults’).dataset.fileFormat;
if (!fileName) {
alert(‘No file available’);
return;
}
const newFileName = fileName.split(‘.’)[0] + ‘.’ + format;
alert(`In a real application, the file would download as: ${newFileName}`);
}
// Mortgage Calculator
function calculateMortgage() {
const loanAmount = parseFloat(document.getElementById(‘loanAmount’).value);
const interestRate = parseFloat(document.getElementById(‘interestRate’).value);
const loanTerm = parseInt(document.getElementById(‘loanTerm’).value);
if (isNaN(loanAmount) || isNaN(interestRate) || isNaN(loanTerm) ||
loanAmount <= 0 || interestRate <= 0 || loanTerm = max || count <= 0) {
alert('Please enter valid values');
return;
}
let numbers = [];
for (let i = 0; i {
progress += 5;
progressBar.style.width = `${progress}%`;
if (progress >= 100) {
clearInterval(interval);
// Generate random speed results
const downloadSpeed = (Math.random() * 100 + 10).toFixed(1);
const uploadSpeed = (Math.random() * 50 + 5).toFixed(1);
document.getElementById(‘downloadSpeed’).textContent = `${downloadSpeed} Mbps`;
document.getElementById(‘uploadSpeed’).textContent = `${uploadSpeed} Mbps`;
let rating;
if (downloadSpeed > 50) {
rating = ‘Excellent! Your internet connection is fast.’;
} else if (downloadSpeed > 25) {
rating = ‘Good! Your internet connection is average.’;
} else if (downloadSpeed > 10) {
rating = ‘Fair! Your internet connection is slow.’;
} else {
rating = ‘Poor! You should check your internet connection.’;
}
document.getElementById(‘speedRating’).textContent = rating;
}
}, 100);
document.getElementById(‘speedResults’).classList.add(‘show’);
}
