About 28Tools
Engineered for speed, privacy, and simplicity — free forever.
28Tools is an all-in-one suite of 32 free, high-performance online utility tools designed to make everyday computing tasks effortless. Whether you need to calculate loan EMIs, convert currencies, resize photos, merge PDF documents, generate secure passwords, or format JSON data, 28Tools delivers instant results directly within your web browser.
Our Core Mission
Most online conversion and calculation websites are cluttered with intrusive popups, mandatory registration forms, and slow server queues that upload your private documents to unknown external servers.
At 28Tools, our mission is simple: privacy-first, browser-local computing. We leverage cutting-edge WebAssembly, HTML5 Canvas, and modern JavaScript APIs so your files and sensitive numerical data never leave your computer or smartphone.
Tool Categories We Offer
- Finance & Calculators: GST Calculator, Loan EMI Calculator, SIP Calculator, Income Tax Estimator, Compound Interest, Percentage Calculator, Discount Calculator, and Loan Comparison.
- PDF & Document Utilities: PDF Merge & Split, PDF Compressor, PDF to Image, Image to PDF, and Word/Text to PDF converter.
- Image & Photo Tools: Image Compressor, Resizer, Cropper, Passport Photo Maker, Background Remover, Watermark Tool, and Format Converter.
- Generators & Security: QR Code Generator, Cryptographically Secure Password Generator, and Color Contrast Checker.
- Text & Developer Utilities: JSON Formatter/Validator, Word & Character Counter, and Text Case Converter.
- Health & Everyday Converters: Universal Unit Converter, Live Currency Converter, Age Calculator, BMI Calculator, and Date & Time Utilities.
Technology & Security Standards
28Tools is built with modern, lightweight web technologies without heavyweight tracking dependencies. We prioritize clean semantic markup, fast Core Web Vitals, accessible focus states, and responsive dark themes tailored for developer and professional workflows.