Free Online Tools for Developers & Marketers
Access our growing suite of 100+ browser-based tools for text manipulation, conversion, encoding, and more — no installation required.
Why Choose Subnexa?
Our platform offers powerful tools designed to make your development and content work faster, easier, and more efficient.
Lightning Fast
Process your data instantly with our optimized and efficient tools
Privacy First
All processing happens in your browser - your data never leaves your device
Available Everywhere
Access from any device with a browser - no downloads or installations required
SEO Friendly
Optimize your content with our specialized SEO tools and analyzers
100+ Tools
A comprehensive collection of utilities for every development need
Save Time
Streamline your workflow with our intuitive and easy-to-use interface
Developer Focused
Built by developers, for developers, with the features you need most
Completely Free
All tools available at no cost, with no account required
Most Popular Tools
Discover our most-used utilities that help thousands of users every day
Base64 Encoder/Decoder
Quickly encode or decode Base64 strings with this simple tool
JSON Formatter
Format and validate your JSON data with syntax highlighting
Text Case Converter
Convert text to uppercase, lowercase, title case, and more
URL Encoder/Decoder
Encode or decode URLs to ensure proper formatting
MD5 Generator
Create MD5 hash values from any text input
Word Counter
Count words, characters, and paragraphs in your text
Password Generator
Create strong, secure passwords with custom parameters
Lorem Ipsum Generator
Generate placeholder text for your designs and layouts
What Our Users Say
Thousands of developers, marketers, and creators trust Subnexa for their daily needs
“Subnexa has become my go-to resource for quick text transformations and encodings. The Base64 and JSON formatter tools save me so much time!”
Subham Kumar
Full-Stack Developer
“As a Senior SEO Specialist, I use Subnexa's tools daily. The meta tag generator and keyword density analyzer are incredible time-savers that deliver professional results.”
Chirag Arora
Senior SEO Specialist
“The color converter and Lorem Ipsum generator are essential parts of my design workflow. Clean interface, fast results, and all free!”
Sanjeev kr
UI/UX Designer
“I love how Subnexa makes technical tools accessible. The word counter and case converter help me polish my content before publishing.”
Jaya Singh
Content Creator
“The hash generators and encoding tools are reliable and secure. I appreciate that all processing happens client-side so sensitive data stays private.”
Stutee
Security Analyst
“Subnexa is a game-changer for marketers. The URL shortener and QR code generator are perfect for campaigns. I can create custom links in seconds!”
Dipanshu Kaira
Performance Marketing Specialist
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Always Free
All tools are completely free and updated regularly
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