Free Online Developer, Productivity & Website Tools

Productivity, developer and website utilities

All-in-One Free Online Tools for Developers & Productivity

Docynx offers a powerful collection of free online tools designed for developers, businesses, and everyday users. Whether you need to compare PDF files, generate sample data, extract Excel formulas, or analyze websites, our tools help you get things done faster — directly in your browser.

No downloads, no signups, and complete privacy. All tools run securely in your browser and are optimized for speed and simplicity.

Productivity Tools
🆚
Compare PDF
Find differences between two PDF files.
📊
Compare Excel Sheets
Detect changes between Excel files.
📄
Compare Word Documents
Compare Word documents side-by-side.
🧪
Extract Excel Formulae
Extract all formulas from Excel sheets.
🎨
Color Palette Extractor
Extract dominant colors from images.
🔳
QR Code Generator
Generate QR codes from text or URLs.
DateTime Difference
Calculate difference between two dates.
📊
Sample Data Generator
Generate fake datasets for testing.
Website Tools
🗺️
Generate Sitemap
Create sitemap from website URL.
🕷
Website Crawler
Scan website pages and links.
🟦
Favicon Generator
Generate favicon for websites.
Developer Tools
🌐
Meta Tag Preview
Preview website meta tags in search results.
🌍
IP Inspector
Check IP address details and geolocation.
base64
Base64 Encoder Decoder
widely used encoding method that converts binary data or plain text into a set of 64 ASCII characters.
Image→base64
Convert Image to Base64
Convert PNG, JPG, WebP, or GIF images into Base64 encoded strings instantly. Perfect for embedding images in HTML, CSS, APIs, and JSON data.
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Explore Free Online PDF & Image Tools by Docynx