PDF Redact
PDF & Document
Permanently black out text and sensitive data directly in your browser with zero file upload.
🔒 PDF & Document Tools (100% Client-Side Privacy)
Securely edit, redact, split, merge, and protect PDF files directly inside your browser memory.
PDF Edit
PDF & Document
Edit PDF text, add annotations, insert shapes, and sign documents securely client-side.
PDF Merge & Split
PDF & Document
Combine multiple PDF files or extract specific page ranges effortlessly without installation.
PDF Extract
PDF & Document
Extract embedded images, text content, and tabular data from PDF documents instantly.
LockPDF
PDF & Document
Add AES password encryption, custom watermarks, or remove protections securely in-browser.
💻 Developer Tools & Code Editors
Interactive code playgrounds, formatters, and quiz tools for web developers and programmers.
ProQuiz
Developer & Code
Test and sharpen your programming skills with interactive quizzes in JS, Python, SQL, and HTML.
JSON Viewer
Developer & Code
Format, validate, beautify, and inspect complex JSON data trees with syntax highlighting.
JS Editor
Developer & Code
Beginner-friendly browser JavaScript playground to test snippets with real-time output console.
Python Editor
Developer & Code
Execute Python scripts in your browser without installing Python or setting up servers.
📈 Financial Calculators & Estimators
Accurate interest compounding, savings maturity calculators, and loan EMI estimators.
POS Calculator
Financial
Estimate Indian Post Office savings schemes, Time Deposits, and Monthly Income Scheme maturity returns.
WPC Calculator
Financial
SIP wealth growth projector and home/car loan EMI interest estimator with visual charts.
🛠️ Smart Utilities & Generators
Client-side AI image face blurring and custom QR code creation.
Blur Image
Smart Utilities
Blur faces and sensitive photo regions manually or automatically using client-side AI image processing.
Make QR Code
Smart Utilities
Generate customizable QR codes for URLs, Wi-Fi passwords, contact cards, and text in high resolution.
🌟 Why Choose 100% Client-Side Browser Tools?
Traditional online utilities force you to upload your sensitive PDFs, documents, and code to remote cloud servers. This exposes confidential personal records, financial data, and proprietary code to server logs and data breaches.
Our suite of web utilities runs 100% inside your local browser memory using HTML5 Canvas, WebAssembly, and modern JavaScript standards. Your files never touch any external server, guaranteeing maximum privacy and instant processing speeds.
❓ Frequently Asked Questions (FAQ)
Are these web utilities completely free to use?
Yes, all 13 tools are 100% free with no registration, subscription fees, or usage limits.
Do these tools upload my files to any server?
No. All calculations, document editing, PDF redaction, and code compilation happen locally inside your browser.
How do I access individual web applications directly?
You can access each app directly via its dedicated subdomain (e.g., pdfredact.senaskat.com, jsonview.senaskat.com, pos.senaskat.com).