Client-Side Cryptography: Engineering Zero-Knowledge Web Applications with the Web Crypto API
Learn how modern zero-knowledge web applications encrypt confidential data directly inside the browser using the W3C...
TU Web Tools provides modern browser-based utilities that simplify text formatting, encoding, SEO analysis, developer workflows and online productivity. Every tool is fast, mobile friendly and works without a complicated setup.
Instant browser-based utilities.
Secure and simple online tools.
Optimised for all devices.
Helpful productivity tools.
TU Web Tools is a growing collection of free online utilities designed to simplify everyday digital tasks. Whether you are a developer, SEO specialist, student, freelancer, marketer or business owner, our platform provides practical tools that save time and improve productivity.
From text formatting and encoding to code optimisation and SEO analysis, every tool is designed to be simple, fast, secure and accessible directly from your browser without installation.
Discover powerful online utilities designed to simplify everyday digital tasks for developers, SEO professionals, students and businesses.
Format, validate, beautify, and inspect JSON data with syntax highlighting, error detection, and indentation controls.
Split, reformat, and restructure text lists using custom delimiters, line breaks, commas, or tabs. Free, browser-native data processing.
Decode percent-encoded URLs, query strings, and hex triplets (%HH) into readable UTF-8 text and plain human-readable links.
Analyze password entropy, character diversity, dictionary vulnerabilities, and estimated brute-force crack time in real time.
Encode binary data, images, text, and UTF-8 strings into RFC 4648 standard Base64 and Base64URL representations safely.
Extract, filter, and clean HTTP/HTTPS links, domain names, and URLs from raw text, HTML documents, and log files instantly.
Generate high-entropy, cryptographically secure passwords compliant with NIST SP 800-63B using the browser Web Crypto CSPRNG.
Decode and read QR codes from image files, screenshots, or camera streams directly in your browser with zero server uploads.
TU Web Tools is designed to provide fast, reliable and easy-to-use online utilities that help you complete digital tasks efficiently without installing software.
All tools are optimised for quick browser-based processing, delivering instant results with minimal waiting time.
Your data stays private. Most tools process information instantly without permanent storage.
Use TU Web Tools on desktops, tablets and smartphones with a fully responsive experience.
Access useful online utilities without subscriptions, software downloads or complicated registration.
Find answers about TU Web Tools, our online utilities, privacy practices and platform features.
TU Web Tools is a free online platform offering powerful web-based utilities for developers, SEO professionals, marketers, students, businesses, and everyday internet users. Our tools help simplify common digital tasks without requiring software installation.
Yes. All tools on TU Web Tools are available free of charge. You can use them anytime without purchasing subscriptions or software.
No. Most of our tools work instantly without registration or login.
Absolutely. All tools are fully responsive and work on smartphones, tablets, laptops, and desktop computers.
No. You can use our online tools as often as you need.
No. Most of our tools process your data instantly in your browser or temporarily on our servers without permanently storing your information.
Yes. Passwords entered into our Password Generator and Password Strength Checker are not permanently stored or shared.
No. Files uploaded to supported tools are processed temporarily and are not permanently stored.
Practical guides, tutorials, SEO tips, developer resources and productivity insights to help you work smarter online.
Learn how modern zero-knowledge web applications encrypt confidential data directly inside the browser using the W3C...
A single missing HTTP header can leave your web application vulnerable to Clickjacking, Cross-Site Scripting (XSS), and...
Sequential auto-increment primary keys leak business intelligence, while random UUIDv4 keys trigger catastrophic B-tree...
Free, browser based utilities for developers, SEO professionals, students and businesses.
Free to use • Mobile friendly • No installation required